Snort mailing list archives
Re: Fwd: Snort 2.9.6.0 memory leak?
From: "Hui Cao (huica)" <huica () cisco com>
Date: Thu, 27 Feb 2014 21:25:28 +0000
Snort does track many sessions and also lots of gaps in those sessions. You can let snort runs and see whether it keeps increasing. So far, it appears working as expected. Best, Hui. From: Mirek Suliba <msuliba () gmail com<mailto:msuliba () gmail com>> Date: Thursday, February 27, 2014 at 4:15 PM To: Hui Cao <huica () cisco com<mailto:huica () cisco com>> Cc: "snort-users () lists sourceforge net<mailto:snort-users () lists sourceforge net>" <snort-users () lists sourceforge net<mailto:snort-users () lists sourceforge net>> Subject: Re: [Snort-users] Fwd: Snort 2.9.6.0 memory leak? Hi Hui, I allowed traffic to go through this server only for three hours and I disabled it when I saw this constant memory usage growth. Below is output from kill -USR1 [Snort_PID] command: Feb 27 15:04:06 rsyslogd-2177: imuxsock lost 14 messages from pid 23167 due to rate-limiting Feb 27 15:04:06 snort[23167]: *** Caught Dump Stats-Signal Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: Memory usage summary: Feb 27 15:04:06 snort[23167]: Total non-mmapped bytes (arena): 183816192 Feb 27 15:04:06 snort[23167]: Bytes in mapped regions (hblkhd): 313253888 Feb 27 15:04:06 snort[23167]: Total allocated space (uordblks): 76144432 Feb 27 15:04:06 snort[23167]: Total free space (fordblks): 107671760 Feb 27 15:04:06 snort[23167]: Topmost releasable block (keepcost): 102576 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: Packet I/O Totals: Feb 27 15:04:06 snort[23167]: Received: 8498408 Feb 27 15:04:06 snort[23167]: Analyzed: 8498408 (100.000%) Feb 27 15:04:06 snort[23167]: Dropped: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Filtered: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Outstanding: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Injected: 0 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: Breakdown by protocol (includes rebuilt packets): Feb 27 15:04:06 snort[23167]: Eth: 8537764 (100.000%) Feb 27 15:04:06 snort[23167]: VLAN: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: IP4: 8510095 ( 99.676%) Feb 27 15:04:06 snort[23167]: Frag: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: ICMP: 27312 ( 0.320%) Feb 27 15:04:06 snort[23167]: UDP: 204961 ( 2.401%) Feb 27 15:04:06 snort[23167]: TCP: 6763077 ( 79.214%) Feb 27 15:04:06 snort[23167]: IP6: 282 ( 0.003%) Feb 27 15:04:06 snort[23167]: IP6 Ext: 282 ( 0.003%) Feb 27 15:04:06 snort[23167]: IP6 Opts: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Frag6: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: ICMP6: 282 ( 0.003%) Feb 27 15:04:06 snort[23167]: UDP6: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: TCP6: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Teredo: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: ICMP-IP: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: IP4/IP4: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: IP4/IP6: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: IP6/IP4: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: IP6/IP6: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE Eth: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE VLAN: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE IP4: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE IP6: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE IP6 Ext: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE PPTP: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE ARP: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE IPX: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: GRE Loop: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: MPLS: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: ARP: 27387 ( 0.321%) Feb 27 15:04:06 snort[23167]: IPX: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Eth Loop: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Eth Disc: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: IP4 Disc: 1514740 ( 17.742%) Feb 27 15:04:06 snort[23167]: IP6 Disc: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: TCP Disc: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: UDP Disc: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: ICMP Disc: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: All Discard: 1514740 ( 17.742%) Feb 27 15:04:06 snort[23167]: Other: 5 ( 0.000%) Feb 27 15:04:06 snort[23167]: Bad Chk Sum: 1230372 ( 14.411%) Feb 27 15:04:06 snort[23167]: Bad TTL: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: S5 G 1: 10861 ( 0.127%) Feb 27 15:04:06 snort[23167]: S5 G 2: 28496 ( 0.334%) Feb 27 15:04:06 snort[23167]: Total: 8537764 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: Action Stats: Feb 27 15:04:06 snort[23167]: Alerts: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Logged: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Passed: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Limits: Feb 27 15:04:06 snort[23167]: Match: 0 Feb 27 15:04:06 snort[23167]: Queue: 0 Feb 27 15:04:06 snort[23167]: Log: 0 Feb 27 15:04:06 snort[23167]: Event: 0 Feb 27 15:04:06 snort[23167]: Alert: 0 Feb 27 15:04:06 snort[23167]: Verdicts: Feb 27 15:04:06 snort[23167]: Allow: 8496786 ( 99.981%) Feb 27 15:04:06 snort[23167]: Block: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Replace: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Whitelist: 1621 ( 0.019%) Feb 27 15:04:06 snort[23167]: Blacklist: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: Ignore: 0 ( 0.000%) Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: Frag3 statistics: Feb 27 15:04:06 snort[23167]: Total Fragments: 0 Feb 27 15:04:06 snort[23167]: Frags Reassembled: 0 Feb 27 15:04:06 snort[23167]: Discards: 0 Feb 27 15:04:06 snort[23167]: Memory Faults: 0 Feb 27 15:04:06 snort[23167]: Timeouts: 0 Feb 27 15:04:06 snort[23167]: Overlaps: 0 Feb 27 15:04:06 snort[23167]: Anomalies: 0 Feb 27 15:04:06 snort[23167]: Alerts: 0 Feb 27 15:04:06 snort[23167]: Drops: 0 Feb 27 15:04:06 snort[23167]: FragTrackers Added: 0 Feb 27 15:04:06 snort[23167]: FragTrackers Dumped: 0 Feb 27 15:04:06 snort[23167]: FragTrackers Auto Freed: 0 Feb 27 15:04:06 snort[23167]: Frag Nodes Inserted: 0 Feb 27 15:04:06 snort[23167]: Frag Nodes Deleted: 0 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: Stream5 statistics: Feb 27 15:04:06 snort[23167]: Total sessions: 272938 Feb 27 15:04:06 snort[23167]: TCP sessions: 255727 Feb 27 15:04:06 snort[23167]: UDP sessions: 17211 Feb 27 15:04:06 snort[23167]: ICMP sessions: 0 Feb 27 15:04:06 snort[23167]: IP sessions: 0 Feb 27 15:04:06 snort[23167]: TCP Prunes: 0 Feb 27 15:04:06 snort[23167]: UDP Prunes: 0 Feb 27 15:04:06 snort[23167]: ICMP Prunes: 0 Feb 27 15:04:06 snort[23167]: IP Prunes: 0 Feb 27 15:04:06 snort[23167]: TCP StreamTrackers Created: 255897 Feb 27 15:04:06 snort[23167]: TCP StreamTrackers Deleted: 255349 Feb 27 15:04:06 snort[23167]: TCP Timeouts: 266 Feb 27 15:04:06 snort[23167]: TCP Overlaps: 118 Feb 27 15:04:06 snort[23167]: TCP Segments Queued: 737031 Feb 27 15:04:06 snort[23167]: TCP Segments Released: 736763 Feb 27 15:04:06 snort[23167]: TCP Rebuilt Packets: 306435 Feb 27 15:04:06 snort[23167]: TCP Segments Used: 711696 Feb 27 15:04:06 snort[23167]: TCP Discards: 8308 Feb 27 15:04:06 snort[23167]: TCP Gaps: 66562 Feb 27 15:04:06 snort[23167]: UDP Sessions Created: 23942 Feb 27 15:04:06 snort[23167]: UDP Sessions Deleted: 10211 Feb 27 15:04:06 snort[23167]: UDP Timeouts: 6731 Feb 27 15:04:06 snort[23167]: UDP Discards: 0 Feb 27 15:04:06 snort[23167]: Events: 33307 Feb 27 15:04:06 snort[23167]: Internal Events: 0 Feb 27 15:04:06 snort[23167]: TCP Port Filter Feb 27 15:04:06 snort[23167]: Filtered: 0 Feb 27 15:04:06 snort[23167]: Inspected: 0 Feb 27 15:04:06 snort[23167]: Tracked: 5590053 Feb 27 15:04:06 snort[23167]: UDP Port Filter Feb 27 15:04:06 snort[23167]: Filtered: 0 Feb 27 15:04:06 snort[23167]: Inspected: 5225 Feb 27 15:04:06 snort[23167]: Tracked: 17211 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: HTTP Inspect - encodings (Note: stream-reassembled packets included): Feb 27 15:04:06 snort[23167]: POST methods: 657 Feb 27 15:04:06 snort[23167]: GET methods: 33120 Feb 27 15:04:06 snort[23167]: HTTP Request Headers extracted: 34016 Feb 27 15:04:06 snort[23167]: HTTP Request Cookies extracted: 25326 Feb 27 15:04:06 snort[23167]: Post parameters extracted: 657 Feb 27 15:04:06 snort[23167]: HTTP response Headers extracted: 9083 Feb 27 15:04:06 snort[23167]: HTTP Response Cookies extracted: 98 Feb 27 15:04:06 snort[23167]: Unicode: 0 Feb 27 15:04:06 snort[23167]: Double unicode: 0 Feb 27 15:04:06 snort[23167]: Non-ASCII representable: 0 Feb 27 15:04:06 snort[23167]: Directory traversals: 0 Feb 27 15:04:06 snort[23167]: Extra slashes ("//"): 4045 Feb 27 15:04:06 snort[23167]: Self-referencing paths ("./"): 0 Feb 27 15:04:06 snort[23167]: HTTP Response Gzip packets extracted: 0 Feb 27 15:04:06 snort[23167]: Gzip Compressed Data Processed: n/a Feb 27 15:04:06 snort[23167]: Gzip Decompressed Data Processed: n/a Feb 27 15:04:06 snort[23167]: Total packets processed: 1851525 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: SMTP Preprocessor Statistics Feb 27 15:04:06 snort[23167]: Total sessions : 0 Feb 27 15:04:06 snort[23167]: Max concurrent sessions : 0 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: dcerpc2 Preprocessor Statistics Feb 27 15:04:06 snort[23167]: Total sessions: 0 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: SSL Preprocessor: Feb 27 15:04:06 snort[23167]: SSL packets decoded: 892031 Feb 27 15:04:06 snort[23167]: Client Hello: 389752 Feb 27 15:04:06 snort[23167]: Server Hello: 793 Feb 27 15:04:06 snort[23167]: Certificate: 908 Feb 27 15:04:06 snort[23167]: Server Done: 382480 Feb 27 15:04:06 snort[23167]: Client Key Exchange: 30685 Feb 27 15:04:06 snort[23167]: Server Key Exchange: 0 Feb 27 15:04:06 snort[23167]: Change Cipher: 384430 Feb 27 15:04:06 snort[23167]: Finished: 0 Feb 27 15:04:06 snort[23167]: Client Application: 440228 Feb 27 15:04:06 snort[23167]: Server Application: 427 Feb 27 15:04:06 snort[23167]: Alert: 21387 Feb 27 15:04:06 snort[23167]: Unrecognized records: 191082 Feb 27 15:04:06 snort[23167]: Completed handshakes: 0 Feb 27 15:04:06 snort[23167]: Bad handshakes: 121 Feb 27 15:04:06 snort[23167]: Sessions ignored: 427 Feb 27 15:04:06 snort[23167]: Detection disabled: 19941 Feb 27 15:04:06 snort[23167]: =============================================================================== Feb 27 15:04:06 snort[23167]: SIP Preprocessor Statistics Feb 27 15:04:06 snort[23167]: Total sessions: 3 Feb 27 15:04:06 snort[23167]: SIP anomalies : 1 Feb 27 15:04:06 snort[23167]: Requests: 0 Feb 27 15:04:06 snort[23167]: invite: 0 Feb 27 15:04:06 snort[23167]: cancel: 0 Feb 27 15:04:06 snort[23167]: ack: 0 Feb 27 15:04:06 snort[23167]: bye: 0 Feb 27 15:04:06 snort[23167]: register: 0 Feb 27 15:04:06 snort[23167]: options: 0 Feb 27 15:04:06 snort[23167]: refer: 0 Feb 27 15:04:06 snort[23167]: subscribe: 0 Feb 27 15:04:06 snort[23167]: update: 0 Feb 27 15:04:06 snort[23167]: join: 0 Feb 27 15:04:06 snort[23167]: info: 0 Feb 27 15:04:06 snort[23167]: message: 0 Feb 27 15:04:06 snort[23167]: notify: 0 Feb 27 15:04:06 snort[23167]: prack: 0 Feb 27 15:04:06 snort[23167]: Responses: 0 Feb 27 15:04:06 snort[23167]: 1xx: 0 Feb 27 15:04:06 rsyslogd-2177: imuxsock begins to drop messages from pid 23167 due to rate-limiting Thank you, - Mirek On Thu, Feb 27, 2014 at 2:50 PM, Hui Cao (huica) <huica () cisco com<mailto:huica () cisco com>> wrote: HI Mirek, Snort memory usage might increase constantly when more sessions are tracked. After some point, it will stabilize. If you saw memory never stops increasing even all the sessions used up, it might indicate some memory issue. Based on your data, it looks like ok at this level. What’s the snort stats and snort configuration? You can use kill –USR1 Snort_PID to get snort stats if you don’t want to stop snort. Best, Hui. From: Mirek Suliba <msuliba () gmail com<mailto:msuliba () gmail com>> Date: Thursday, February 27, 2014 at 3:37 PM To: "snort-users () lists sourceforge net<mailto:snort-users () lists sourceforge net>" <snort-users () lists sourceforge net<mailto:snort-users () lists sourceforge net>> Subject: [Snort-users] Fwd: Snort 2.9.6.0 memory leak? Hello, I have just installed my first instance of Snort and found that after putting traffic through it Snort memory usage is constantly growing. Below are checks done every hour using "top" command: Time VIRT RES %MEM 9:00 596m 240m 12.9 10:00 596m 310m 16.5 11:00 596m 386m 20.6 12:00 596m 456m 24.3 Is this normal behavior for Snort? If not what setting should I change to fix it? This installation of Snort is for monitoring traffic only on local server (not promiscuous mode). System is CentOS 6.4 with 2 GB of memory. Below is Snort information: # snort -V ,,_ -*> Snort! <*- o" )~ Version 2.9.6.0 GRE (Build 47) '''' By Martin Roesch & The Snort Team: http://www.snort.org/snort/snort-team Copyright (C) 2014 Cisco and/or its affiliates. All rights reserved. Copyright (C) 1998-2013 Sourcefire, Inc., et al. Using libpcap version 1.0.0 Using PCRE version: 7.8 2008-09-05 Using ZLIB version: 1.2.3 Snort command: /usr/sbin/snort -A fast -b -d -D -i eth0 -u snort -g snort -c /etc/snort/snort.conf -l /var/log/snort Content of snort.conf file: #-------------------------------------------------- # VRT Rule Packages Snort.conf # # For more information visit us at: # http://www.snort.org Snort Website # http://vrt-blog.snort.org/ Sourcefire VRT Blog # # Mailing list Contact: snort-sigs () lists sourceforge net<mailto:snort-sigs () lists sourceforge net> # False Positive reports: fp () sourcefire com<mailto:fp () sourcefire com> # Snort bugs: bugs () snort org<mailto:bugs () snort org> # # Compatible with Snort Versions: # VERSIONS : 2.9.6.0 # # Snort build options: # OPTIONS : --enable-gre --enable-mpls --enable-targetbased --enable-ppm --enable-perfprofiling --enable-zlib --enable-activ e-response --enable-normalizer --enable-reload --enable-react --enable-flexresp3 # # Additional information: # This configuration file enables active response, to run snort in # test mode -T you are required to supply an interface -i <interface> # or test mode will fail to fully validate the configuration and # exit with a FATAL error #-------------------------------------------------- ################################################### # This file contains a sample snort configuration. # You should take the following steps to create your own custom configuration: # # 1) Set the network variables. # 2) Configure the decoder # 3) Configure the base detection engine # 4) Configure dynamic loaded libraries # 5) Configure preprocessors # 6) Configure output plugins # 7) Customize your rule set # 8) Customize preprocessor and decoder rule set # 9) Customize shared object rule set ################################################### ################################################### # Step #1: Set the network variables. For more information, see README.variables ################################################### # Setup the network addresses you are protecting ipvar HOME_NET any # Set up the external network addresses. Leave as "any" in most situations ipvar EXTERNAL_NET any # List of DNS servers on your network ipvar DNS_SERVERS $HOME_NET # List of SMTP servers on your network ipvar SMTP_SERVERS $HOME_NET # List of web servers on your network ipvar HTTP_SERVERS $HOME_NET # List of sql servers on your network ipvar SQL_SERVERS $HOME_NET # List of telnet servers on your network ipvar TELNET_SERVERS $HOME_NET # List of ssh servers on your network ipvar SSH_SERVERS $HOME_NET # List of ftp servers on your network ipvar FTP_SERVERS $HOME_NET # List of sip servers on your network ipvar SIP_SERVERS $HOME_NET # List of ports you run web servers on portvar HTTP_PORTS [36,80,81,82,83,84,85,86,87,88,89,90,311,383,555,591,593,631,801,808,818,901,972,1158,1220,1414,1533,1741,183 0,2231,2301,2381,2809,3029,3037,3057,3128,3443,3702,4000,4343,4848,5117,5250,6080,6173,6988,7000,7001,7071,7144,7145,7510,7770,7 777,7779,8000,8008,8014,8028,8080,8081,8082,8085,8088,8090,8118,8123,8180,8181,8222,8243,8280,8300,8500,8509,8800,8888,8899,9000 ,9060,9080,9090,9091,9111,9443,9999,10000,11371,12601,15489,29991,33300,34412,34443,34444,41080,44449,50000,50002,51423,53331,55 252,55555,56712] # List of ports you want to look for SHELLCODE on. portvar SHELLCODE_PORTS !80 # List of ports you might see oracle attacks on portvar ORACLE_PORTS 1024: # List of ports you want to look for SSH connections on: portvar SSH_PORTS 22 # List of ports you run ftp servers on portvar FTP_PORTS [21,2100,3535] # List of ports you run SIP servers on portvar SIP_PORTS [5060,5061,5600] # List of file data ports for file inspection portvar FILE_DATA_PORTS [$HTTP_PORTS,110,143] # List of GTP ports for GTP preprocessor portvar GTP_PORTS [2123,2152,3386] # other variables, these should not be modified ipvar AIM_SERVERS [64.12.24.0/23,64.12.28.0/23,64.12.161.0/24,64.12.163.0/24,64.12.200.0/24,205.188.3.0/24,205.188.5.0/24,205.18<http://64.12.24.0/23,64.12.28.0/23,64.12.161.0/24,64.12.163.0/24,64.12.200.0/24,205.188.3.0/24,205.188.5.0/24,205.18> 8.7.0/24,205.188.9.0/24,205.188.153.0/24,205.188.179.0/24,205.188.248.0/24<http://205.188.9.0/24,205.188.153.0/24,205.188.179.0/24,205.188.248.0/24>] # Path to your rules files (this can be a relative path) # Note for Windows users: You are advised to make this an absolute path, # such as: c:\snort\rules var RULE_PATH /etc/snort/rules var SO_RULE_PATH /etc/snort/so_rules var PREPROC_RULE_PATH /etc/snort/preproc_rules # If you are using reputation preprocessor set these var WHITE_LIST_PATH /etc/snort/rules var BLACK_LIST_PATH /etc/snort/rules ################################################### # Step #2: Configure the decoder. For more information, see README.decode ################################################### # Disable promiscuous mode config no_promisc # Stop generic decode events: config disable_decode_alerts # Stop Alerts on experimental TCP options config disable_tcpopt_experimental_alerts # Stop Alerts on obsolete TCP options config disable_tcpopt_obsolete_alerts # Stop Alerts on T/TCP alerts config disable_tcpopt_ttcp_alerts # Stop Alerts on all other TCPOption type events: config disable_tcpopt_alerts # Stop Alerts on invalid ip options config disable_ipopt_alerts # Alert if value in length field (IP, TCP, UDP) is greater th elength of the packet # config enable_decode_oversized_alerts # Same as above, but drop packet if in Inline mode (requires enable_decode_oversized_alerts) # config enable_decode_oversized_drops # Configure IP / TCP checksum mode config checksum_mode: all # Configure maximum number of flowbit references. For more information, see README.flowbits # config flowbits_size: 64 # Configure ports to ignore # config ignore_ports: tcp 21 6667:6671 1356 # config ignore_ports: udp 1:17 53 # Configure active response for non inline operation. For more information, see REAMDE.active # config response: eth0 attempts 2 # Configure DAQ related options for inline operation. For more information, see README.daq # # config daq: <type> # config daq_dir: <dir> # config daq_mode: <mode> # config daq_var: <var> # # <type> ::= pcap | afpacket | dump | nfq | ipq | ipfw # <mode> ::= read-file | passive | inline # <var> ::= arbitrary <name>=<value passed to DAQ # <dir> ::= path as to where to look for DAQ module so's # Configure specific UID and GID to run snort as after dropping privs. For more information see snort -h command line options # # config set_gid: # config set_uid: # Configure default snaplen. Snort defaults to MTU of in use interface. For more information see README # # config snaplen: # # Configure default bpf_file to use for filtering what traffic reaches snort. For more information see snort -h command line opt ions (-F) # # config bpf_file: # # Configure default log directory for snort to log to. For more information see snort -h command line options (-l) # # config logdir: ################################################### # Step #3: Configure the base detection engine. For more information, see README.decode ################################################### # Configure PCRE match limitations config pcre_match_limit: 3500 config pcre_match_limit_recursion: 1500 # Configure the detection engine See the Snort Manual, Configuring Snort - Includes - Config config detection: search-method ac-split search-optimize max-pattern-len 20 # Configure the event queue. For more information, see README.event_queue config event_queue: max_queue 8 log 5 order_events content_length ################################################### ## Configure GTP if it is to be used. ## For more information, see README.GTP #################################################### # config enable_gtp ################################################### # Per packet and rule latency enforcement # For more information see README.ppm ################################################### # Per Packet latency configuration #config ppm: max-pkt-time 250, \ # fastpath-expensive-packets, \ # pkt-log # Per Rule latency configuration #config ppm: max-rule-time 200, \ # threshold 3, \ # suspend-expensive-rules, \ # suspend-timeout 20, \ # rule-log alert ################################################### # Configure Perf Profiling for debugging # For more information see README.PerfProfiling ################################################### #config profile_rules: print all, sort avg_ticks #config profile_preprocs: print all, sort avg_ticks ################################################### # Configure protocol aware flushing # For more information see README.stream5 ################################################### config paf_max: 16000 ################################################### # Step #4: Configure dynamic loaded libraries. # For more information, see Snort Manual, Configuring Snort - Dynamic Modules ################################################### # path to dynamic preprocessor libraries # dynamicpreprocessor directory /usr/local/lib/snort_dynamicpreprocessor/ dynamicpreprocessor directory /usr/lib64/snort-2.9.6.0_dynamicpreprocessor # path to base preprocessor engine # dynamicengine /usr/local/lib/snort_dynamicengine/libsf_engine.so dynamicengine /usr/lib64/snort-2.9.6.0_dynamicengine/libsf_engine.so # path to dynamic rules libraries # dynamicdetection directory /usr/local/lib/snort_dynamicrules dynamicdetection directory /etc/snort/so_rules/precompiled/RHEL-6-0/x86-64/2.9.6.0<http://2.9.6.0> ################################################### # Step #5: Configure preprocessors # For more information, see the Snort Manual, Configuring Snort - Preprocessors ################################################### # GTP Control Channle Preprocessor. For more information, see README.GTP # preprocessor gtp: ports { 2123 3386 2152 } # Inline packet normalization. For more information, see README.normalize # Does nothing in IDS mode preprocessor normalize_ip4 preprocessor normalize_tcp: ips ecn stream preprocessor normalize_icmp4 preprocessor normalize_ip6 preprocessor normalize_icmp6 # Target-based IP defragmentation. For more inforation, see README.frag3 preprocessor frag3_global: max_frags 65536 preprocessor frag3_engine: policy windows detect_anomalies overlap_limit 10 min_fragment_length 100 timeout 180 # Target-Based stateful inspection/stream reassembly. For more inforation, see README.stream5 preprocessor stream5_global: track_tcp yes, \ track_udp yes, \ track_icmp no, \ max_tcp 262144, \ max_udp 131072, \ max_active_responses 2, \ min_response_seconds 5 preprocessor stream5_tcp: policy windows, detect_anomalies, require_3whs 180, \ overlap_limit 10, small_segments 3 bytes 150, timeout 180, \ ports client 21 22 23 25 42 53 70 79 109 110 111 113 119 135 136 137 139 143 \ 161 445 513 514 587 593 691 1433 1521 1741 2100 3306 6070 6665 6666 6667 6668 6669 \ 7000 8181 32770 32771 32772 32773 32774 32775 32776 32777 32778 32779, \ ports both 36 80 81 82 83 84 85 86 87 88 89 90 110 311 383 443 465 563 555 591 593 631 636 801 808 818 901 972 989 992 993 9 94 995 1158 1220 1414 1533 1741 1830 2231 2301 2381 2809 3029 3037 3057 3128 3443 3702 4000 4343 4848 5117 5250 6080 6173 6988 7 907 7000 7001 7071 7144 7145 7510 7802 7770 7777 7779 \ 7801 7900 7901 7902 7903 7904 7905 7906 7908 7909 7910 7911 7912 7913 7914 7915 7916 \ 7917 7918 7919 7920 8000 8008 8014 8028 8080 8081 8082 8085 8088 8090 8118 8123 8180 8181 8222 8243 8280 8300 8500 8509 8800 8888 8899 9000 9060 9080 9090 9091 9111 9443 9999 10000 11371 12601 15489 29991 33300 34412 34443 34444 41080 44449 50000 5 0002 51423 53331 55252 55555 56712 preprocessor stream5_udp: timeout 180 # performance statistics. For more information, see the Snort Manual, Configuring Snort - Preprocessors - Performance Monitor # preprocessor perfmonitor: time 300 file /var/snort/snort.stats pktcnt 10000 # HTTP normalization and anomaly detection. For more information, see README.http_inspect preprocessor http_inspect: global iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535 preprocessor http_inspect_server: server default \ http_methods { GET POST PUT SEARCH MKCOL COPY MOVE LOCK UNLOCK NOTIFY POLL BCOPY BDELETE BMOVE LINK UNLINK OPTIONS HEAD DELE TE TRACE TRACK CONNECT SOURCE SUBSCRIBE UNSUBSCRIBE PROPFIND PROPPATCH BPROPFIND BPROPPATCH RPC_CONNECT PROXY_SUCCESS BITS_POST CCM_POST SMS_POST RPC_IN_DATA RPC_OUT_DATA RPC_ECHO_DATA } \ chunk_length 500000 \ server_flow_depth 0 \ client_flow_depth 0 \ post_depth 65495 \ oversize_dir_length 500 \ max_header_length 750 \ max_headers 100 \ max_spaces 200 \ small_chunk_length { 10 5 } \ ports { 36 80 81 82 83 84 85 86 87 88 89 90 311 383 555 591 593 631 801 808 818 901 972 1158 1220 1414 1741 1830 2231 2301 2 381 2809 3029 3037 3057 3128 3443 3702 4000 4343 4848 5117 5250 6080 6173 6988 7000 7001 7071 7144 7145 7510 7770 7777 7779 8000 8008 8014 8028 8080 8081 8082 8085 8088 8090 8118 8123 8180 8181 8222 8243 8280 8300 8500 8509 8800 8888 8899 9000 9060 9080 90 90 9091 9111 9443 9999 10000 11371 12601 15489 29991 33300 34412 34443 34444 41080 44449 50000 50002 51423 53331 55252 55555 567 12 } \ non_rfc_char { 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 } \ enable_cookie \ extended_response_inspection \ inspect_gzip \ normalize_utf \ unlimited_decompress \ normalize_javascript \ apache_whitespace no \ ascii no \ bare_byte no \ directory no \ double_decode no \ iis_backslash no \ iis_delimiter no \ iis_unicode no \ multi_slash no \ utf_8 no \ u_encode yes \ webroot no # ONC-RPC normalization and anomaly detection. For more information, see the Snort Manual, Configuring Snort - Preprocessors - RPC Decode preprocessor rpc_decode: 111 32770 32771 32772 32773 32774 32775 32776 32777 32778 32779 no_alert_multiple_requests no_alert_lar ge_fragments no_alert_incomplete # Back Orifice detection. preprocessor bo # FTP / Telnet normalization and anomaly detection. For more information, see README.ftptelnet preprocessor ftp_telnet: global inspection_type stateful encrypted_traffic no check_encrypted preprocessor ftp_telnet_protocol: telnet \ ayt_attack_thresh 20 \ normalize ports { 23 } \ detect_anomalies preprocessor ftp_telnet_protocol: ftp server default \ def_max_param_len 100 \ ports { 21 2100 3535 } \ telnet_cmds yes \ ignore_telnet_erase_cmds yes \ ftp_cmds { ABOR ACCT ADAT ALLO APPE AUTH CCC CDUP } \ ftp_cmds { CEL CLNT CMD CONF CWD DELE ENC EPRT } \ ftp_cmds { EPSV ESTA ESTP FEAT HELP LANG LIST LPRT } \ ftp_cmds { LPSV MACB MAIL MDTM MIC MKD MLSD MLST } \ ftp_cmds { MODE NLST NOOP OPTS PASS PASV PBSZ PORT } \ ftp_cmds { PROT PWD QUIT REIN REST RETR RMD RNFR } \ ftp_cmds { RNTO SDUP SITE SIZE SMNT STAT STOR STOU } \ ftp_cmds { STRU SYST TEST TYPE USER XCUP XCRC XCWD } \ ftp_cmds { XMAS XMD5 XMKD XPWD XRCP XRMD XRSQ XSEM } \ ftp_cmds { XSEN XSHA1 XSHA256 } \ alt_max_param_len 0 { ABOR CCC CDUP ESTA FEAT LPSV NOOP PASV PWD QUIT REIN STOU SYST XCUP XPWD } \ alt_max_param_len 200 { ALLO APPE CMD HELP NLST RETR RNFR STOR STOU XMKD } \ alt_max_param_len 256 { CWD RNTO } \ alt_max_param_len 400 { PORT } \ alt_max_param_len 512 { SIZE } \ chk_str_fmt { ACCT ADAT ALLO APPE AUTH CEL CLNT CMD } \ chk_str_fmt { CONF CWD DELE ENC EPRT EPSV ESTP HELP } \ chk_str_fmt { LANG LIST LPRT MACB MAIL MDTM MIC MKD } \ chk_str_fmt { MLSD MLST MODE NLST OPTS PASS PBSZ PORT } \ chk_str_fmt { PROT REST RETR RMD RNFR RNTO SDUP SITE } \ chk_str_fmt { SIZE SMNT STAT STOR STRU TEST TYPE USER } \ chk_str_fmt { XCRC XCWD XMAS XMD5 XMKD XRCP XRMD XRSQ } \ chk_str_fmt { XSEM XSEN XSHA1 XSHA256 } \ cmd_validity ALLO < int [ char R int ] > \ cmd_validity EPSV < [ { char 12 | char A char L char L } ] > \ cmd_validity MACB < string > \ cmd_validity MDTM < [ date nnnnnnnnnnnnnn[.n[n[n]]] ] string > \ cmd_validity MODE < char ASBCZ > \ cmd_validity PORT < host_port > \ cmd_validity PROT < char CSEP > \ cmd_validity STRU < char FRPO [ string ] > \ cmd_validity TYPE < { char AE [ char NTC ] | char I | char L [ number ] } > preprocessor ftp_telnet_protocol: ftp client default \ max_resp_len 256 \ bounce yes \ ignore_telnet_erase_cmds yes \ telnet_cmds yes # SMTP normalization and anomaly detection. For more information, see README.SMTP preprocessor smtp: ports { 25 465 587 691 } \ inspection_type stateful \ b64_decode_depth 0 \ qp_decode_depth 0 \ bitenc_decode_depth 0 \ uu_decode_depth 0 \ log_mailfrom \ log_rcptto \ log_filename \ log_email_hdrs \ normalize cmds \ normalize_cmds { ATRN AUTH BDAT CHUNKING DATA DEBUG EHLO EMAL ESAM ESND ESOM ETRN EVFY } \ normalize_cmds { EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT RSET SAML SEND SOML } \ normalize_cmds { STARTTLS TICK TIME TURN TURNME VERB VRFY X-ADAT X-DRCP X-ERCP X-EXCH50 } \ normalize_cmds { X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN XLICENSE XQUE XSTA XTRN XUSR } \ max_command_line_len 512 \ max_header_line_len 1000 \ max_response_line_len 512 \ alt_max_command_line_len 260 { MAIL } \ alt_max_command_line_len 300 { RCPT } \ alt_max_command_line_len 500 { HELP HELO ETRN EHLO } \ alt_max_command_line_len 255 { EXPN VRFY ATRN SIZE BDAT DEBUG EMAL ESAM ESND ESOM EVFY IDENT NOOP RSET } \ alt_max_command_line_len 246 { SEND SAML SOML AUTH TURN ETRN DATA RSET QUIT ONEX QUEU STARTTLS TICK TIME TURNME VERB X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN XLICENSE XQUE XSTA XTRN XUSR } \ valid_cmds { ATRN AUTH BDAT CHUNKING DATA DEBUG EHLO EMAL ESAM ESND ESOM ETRN EVFY } \ valid_cmds { EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT RSET SAML SEND SOML } \ valid_cmds { STARTTLS TICK TIME TURN TURNME VERB VRFY X-ADAT X-DRCP X-ERCP X-EXCH50 } \ valid_cmds { X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN XLICENSE XQUE XSTA XTRN XUSR } \ xlink2state { enabled } # Portscan detection. For more information, see README.sfportscan # preprocessor sfportscan: proto { all } memcap { 10000000 } sense_level { low } # ARP spoof detection. For more information, see the Snort Manual - Configuring Snort - Preprocessors - ARP Spoof Preprocessor # preprocessor arpspoof # preprocessor arpspoof_detect_host: 192.168.40.1 f0:0f:00:f0:0f:00 # SSH anomaly detection. For more information, see README.ssh preprocessor ssh: server_ports { 22 } \ autodetect \ max_client_bytes 19600 \ max_encrypted_packets 20 \ max_server_version_len 100 \ enable_respoverflow enable_ssh1crc32 \ enable_srvoverflow enable_protomismatch # SMB / DCE-RPC normalization and anomaly detection. For more information, see README.dcerpc2 preprocessor dcerpc2: memcap 102400, events [co ] preprocessor dcerpc2_server: default, policy WinXP, \ detect [smb [139,445], tcp 135, udp 135, rpc-over-http-server 593], \ autodetect [tcp 1025:, udp 1025:, rpc-over-http-server 1025:], \ smb_max_chain 3, smb_invalid_shares ["C$", "D$", "ADMIN$"] # DNS anomaly detection. For more information, see README.dns preprocessor dns: ports { 53 } enable_rdata_overflow # SSL anomaly detection and traffic bypass. For more information, see README.ssl preprocessor ssl: ports { 443 465 563 636 989 992 993 994 995 7801 7802 7900 7901 7902 7903 7904 7905 7906 7907 7908 7909 7910 7 911 7912 7913 7914 7915 7916 7917 7918 7919 7920 }, trustservers, noinspect_encrypted # SDF sensitive data preprocessor. For more information see README.sensitive_data preprocessor sensitive_data: alert_threshold 25 # SIP Session Initiation Protocol preprocessor. For more information see README.sip preprocessor sip: max_sessions 40000, \ ports { 5060 5061 5600 }, \ methods { invite \ cancel \ ack \ bye \ register \ options \ refer \ subscribe \ update \ join \ info \ message \ notify \ benotify \ do \ qauth \ sprack \ publish \ service \ unsubscribe \ prack }, \ max_uri_len 512, \ max_call_id_len 80, \ max_requestName_len 20, \ max_from_len 256, \ max_to_len 256, \ max_via_len 1024, \ max_contact_len 512, \ max_content_len 2048 # IMAP preprocessor. For more information see README.imap preprocessor imap: \ ports { 143 } \ b64_decode_depth 0 \ qp_decode_depth 0 \ bitenc_decode_depth 0 \ uu_decode_depth 0 # POP preprocessor. For more information see README.pop preprocessor pop: \ ports { 110 } \ b64_decode_depth 0 \ qp_decode_depth 0 \ bitenc_decode_depth 0 \ uu_decode_depth 0 # Modbus preprocessor. For more information see README.modbus preprocessor modbus: ports { 502 } # DNP3 preprocessor. For more information see README.dnp3 preprocessor dnp3: ports { 20000 } \ memcap 262144 \ check_crc # Reputation preprocessor. For more information see README.reputation preprocessor reputation: \ memcap 500, \ priority whitelist, \ nested_ip inner, \ whitelist $WHITE_LIST_PATH/white_list.rules, \ blacklist $BLACK_LIST_PATH/black_list.rules ################################################### # Step #6: Configure output plugins # For more information, see Snort Manual, Configuring Snort - Output Modules ################################################### # unified2 # Recommended for most installs # output unified2: filename merged.log, limit 128, nostamp, mpls_event_types, vlan_event_types # Additional configuration for specific types of installs # output alert_unified2: filename snort.alert, limit 128, nostamp # output log_unified2: filename snort.log, limit 128, nostamp # syslog # output alert_syslog: LOG_AUTH LOG_ALERT # pcap # output log_tcpdump: tcpdump.log # metadata reference data. do not modify these lines include classification.config include reference.config ################################################### # Step #7: Customize your rule set # For more information, see Snort Manual, Writing Snort Rules # # NOTE: All categories are enabled in this conf file ################################################### # site specific rules include $RULE_PATH/local.rules include $RULE_PATH/app-detect.rules include $RULE_PATH/attack-responses.rules include $RULE_PATH/backdoor.rules include $RULE_PATH/bad-traffic.rules include $RULE_PATH/blacklist.rules include $RULE_PATH/botnet-cnc.rules include $RULE_PATH/browser-chrome.rules include $RULE_PATH/browser-firefox.rules include $RULE_PATH/browser-ie.rules include $RULE_PATH/browser-other.rules include $RULE_PATH/browser-plugins.rules include $RULE_PATH/browser-webkit.rules include $RULE_PATH/chat.rules include $RULE_PATH/content-replace.rules include $RULE_PATH/ddos.rules include $RULE_PATH/dns.rules include $RULE_PATH/dos.rules include $RULE_PATH/experimental.rules include $RULE_PATH/exploit-kit.rules include $RULE_PATH/exploit.rules include $RULE_PATH/file-executable.rules include $RULE_PATH/file-flash.rules include $RULE_PATH/file-identify.rules include $RULE_PATH/file-image.rules include $RULE_PATH/file-java.rules include $RULE_PATH/file-multimedia.rules include $RULE_PATH/file-office.rules include $RULE_PATH/file-other.rules include $RULE_PATH/file-pdf.rules include $RULE_PATH/finger.rules include $RULE_PATH/ftp.rules include $RULE_PATH/icmp-info.rules include $RULE_PATH/icmp.rules include $RULE_PATH/imap.rules include $RULE_PATH/indicator-compromise.rules include $RULE_PATH/indicator-obfuscation.rules include $RULE_PATH/indicator-scan.rules include $RULE_PATH/indicator-shellcode.rules include $RULE_PATH/info.rules include $RULE_PATH/malware-backdoor.rules include $RULE_PATH/malware-cnc.rules include $RULE_PATH/malware-other.rules include $RULE_PATH/malware-tools.rules include $RULE_PATH/misc.rules include $RULE_PATH/multimedia.rules include $RULE_PATH/mysql.rules include $RULE_PATH/netbios.rules include $RULE_PATH/nntp.rules include $RULE_PATH/oracle.rules include $RULE_PATH/os-linux.rules include $RULE_PATH/os-mobile.rules include $RULE_PATH/os-other.rules include $RULE_PATH/os-solaris.rules include $RULE_PATH/os-windows.rules include $RULE_PATH/other-ids.rules include $RULE_PATH/p2p.rules include $RULE_PATH/phishing-spam.rules include $RULE_PATH/policy-multimedia.rules include $RULE_PATH/policy-other.rules include $RULE_PATH/policy.rules include $RULE_PATH/policy-social.rules include $RULE_PATH/policy-spam.rules include $RULE_PATH/pop2.rules include $RULE_PATH/pop3.rules include $RULE_PATH/protocol-dns.rules include $RULE_PATH/protocol-finger.rules include $RULE_PATH/protocol-ftp.rules include $RULE_PATH/protocol-icmp.rules include $RULE_PATH/protocol-imap.rules include $RULE_PATH/protocol-nntp.rules include $RULE_PATH/protocol-pop.rules include $RULE_PATH/protocol-rpc.rules include $RULE_PATH/protocol-scada.rules include $RULE_PATH/protocol-services.rules include $RULE_PATH/protocol-snmp.rules include $RULE_PATH/protocol-telnet.rules include $RULE_PATH/protocol-tftp.rules include $RULE_PATH/protocol-voip.rules include $RULE_PATH/pua-adware.rules include $RULE_PATH/pua-other.rules include $RULE_PATH/pua-p2p.rules include $RULE_PATH/pua-toolbars.rules include $RULE_PATH/rpc.rules include $RULE_PATH/rservices.rules include $RULE_PATH/scada.rules include $RULE_PATH/scan.rules include $RULE_PATH/server-apache.rules include $RULE_PATH/server-iis.rules include $RULE_PATH/server-mail.rules include $RULE_PATH/server-mssql.rules include $RULE_PATH/server-mysql.rules include $RULE_PATH/server-oracle.rules include $RULE_PATH/server-other.rules include $RULE_PATH/server-samba.rules include $RULE_PATH/server-webapp.rules include $RULE_PATH/shellcode.rules include $RULE_PATH/smtp.rules include $RULE_PATH/snmp.rules include $RULE_PATH/specific-threats.rules include $RULE_PATH/spyware-put.rules include $RULE_PATH/sql.rules include $RULE_PATH/telnet.rules include $RULE_PATH/tftp.rules include $RULE_PATH/virus.rules include $RULE_PATH/voip.rules include $RULE_PATH/web-activex.rules include $RULE_PATH/web-attacks.rules include $RULE_PATH/web-cgi.rules include $RULE_PATH/web-client.rules include $RULE_PATH/web-coldfusion.rules include $RULE_PATH/web-frontpage.rules include $RULE_PATH/web-iis.rules include $RULE_PATH/web-misc.rules include $RULE_PATH/web-php.rules include $RULE_PATH/x11.rules ################################################### # Step #8: Customize your preprocessor and decoder alerts # For more information, see README.decoder_preproc_rules ################################################### # decoder and preprocessor event rules # include $PREPROC_RULE_PATH/preprocessor.rules # include $PREPROC_RULE_PATH/decoder.rules # include $PREPROC_RULE_PATH/sensitive-data.rules ################################################### # Step #9: Customize your Shared Object Snort Rules # For more information, see http://vrt-blog.snort.org/2009/01/using-vrt-certified-shared-object-rules.html ################################################### # dynamic library rules # include $SO_RULE_PATH/bad-traffic.rules # include $SO_RULE_PATH/chat.rules # include $SO_RULE_PATH/dos.rules # include $SO_RULE_PATH/exploit.rules # include $SO_RULE_PATH/icmp.rules # include $SO_RULE_PATH/imap.rules # include $SO_RULE_PATH/misc.rules # include $SO_RULE_PATH/multimedia.rules # include $SO_RULE_PATH/netbios.rules # include $SO_RULE_PATH/nntp.rules # include $SO_RULE_PATH/p2p.rules # include $SO_RULE_PATH/smtp.rules # include $SO_RULE_PATH/snmp.rules # include $SO_RULE_PATH/specific-threats.rules # include $SO_RULE_PATH/web-activex.rules # include $SO_RULE_PATH/web-client.rules # include $SO_RULE_PATH/web-iis.rules # include $SO_RULE_PATH/web-misc.rules # Event thresholding or suppression commands. See threshold.conf include threshold.conf Thank you, - Mirek
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- Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 27)
- Re: Fwd: Snort 2.9.6.0 memory leak? Hui Cao (huica) (Feb 27)
- Re: Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 27)
- Re: Fwd: Snort 2.9.6.0 memory leak? Hui Cao (huica) (Feb 27)
- Re: Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 27)
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- Re: Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 27)
- Re: Fwd: Snort 2.9.6.0 memory leak? Hui Cao (huica) (Feb 28)
- Re: Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 28)
- Re: Fwd: Snort 2.9.6.0 memory leak? Hui cao (Feb 28)
- Re: Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 28)
- Re: Fwd: Snort 2.9.6.0 memory leak? Mirek Suliba (Feb 27)
- Re: Fwd: Snort 2.9.6.0 memory leak? Hui Cao (huica) (Feb 27)