Re: Cannot bind address and add more OS Policy for Stream5 TCP Preprocessor

["Al Lewis (allewi)" <allewi () cisco com>]

It would help if you could send a copy of your snort.conf file. But here are a couple things to check…


1)      Did you include the global settings for stream as well?

2)      When you used the “bind_to” you need to specify a default policy.


I have attached a conf file with vista as the policy and bound to 10.1.2.0/24. The default policy is set to windows.


Hope this helps.



Albert Lewis
QA Software Engineer
SOURCEfire, Inc. now part of Cisco
9780 Patuxent Woods Drive
Columbia, MD 21046
Phone: (office) 443.430.7112
Email: allewi () cisco com

From: Jutichai Thongkrachai [mailto:thsecmaniac () gmail com]
Sent: Sunday, February 01, 2015 2:29 AM
To: snort-users () lists sourceforge net
Subject: [Snort-users] Cannot bind address and add more OS Policy for Stream5 TCP Preprocessor

Hello,
I want configure Stream5 TCP Preprocessor to bind a specific IP Address and handle more OS Policy that currently, I set 
it to use Windows Vista Policy but when I add  "bind_to 10.1.2.0/24<http://10.1.2.0/24>" before "policy vista" or add 
"preprocessor stream5_tcp: policy linux, detect_anomalies" and then restart Snort, I got this

---------------------------
"WARNING: Stream5 TCP misconfigured (policy 0).
ERROR: Stream5 not properly configured... exiting
---------------------------
I configure as the document. So, I am confused why I got that error message.

Here my current Stream5 TCP preprocessor:

preprocessor stream5_tcp: policy vista, detect_anomalies, require_3whs 180, check_session_hijacking, \
   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 
992 993 994 995 1158 1220 1414 1533 1741 1830 1942 2231 2301 2381 2578 2809 2980 3029 3037 3057 3128 3443 3702 4000 
4343 4848 5000 5117 5250 5600 6080 6173 6988 7907 7000 7001 7071 7144 7145 7510 7802 7770 7777 7778 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 
8333 8344 8500 8509 8800 8888 8899 8983 9000 9060 9080 9090 9091 9111 9290 9443 9999 10000 11371 12601 13014 15489 
29991 33300 34412 34443 34444 41080 44449 50000 50002 51423 53331 55252 55555 56712

Attachment: stream5-bindto-example.conf
Description: stream5-bindto-example.conf

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