Security Basics mailing list archives
RE: ICMP (Ping)
From: "Aditya" <adityald3 () gmx net>
Date: Fri, 5 Sep 2003 17:53:39 +0530
icmp should all be disabled unless you need icmp redirect and other dangerous icmp types! Aditya Lalit Deshmukh Enterprise Security Solutions aditya () online nailed org -----Original Message----- From: segmentation fault [mailto:drfrank () hackermail com] Sent: Thursday, September 04, 2003 11:11 PM To: security-basics () securityfocus com Subject: RE: ICMP (Ping) it is my understanding that by blocking icmp, all udp ports will appear as open. it should also be noted that the mtu path discovery will be affected as well http://alive.znep.com/~marcs/mtu/ i was told that if you want to stay invisible to pings (and combat the problems mentioned above) you should only block icmp packets of type 8. i hope this helps! -- _______________________________________________ Get your free email from http://www.hackermail.com Powered by Outblaze --------------------------------------------------------------------------- Attend Black Hat Briefings & Training Federal, September 29-30 (Training), October 1-2 (Briefings) in Tysons Corner, VA; the world's premier technical IT security event. Modeled after the famous Black Hat event in Las Vegas! 6 tracks, 12 training sessions, top speakers and sponsors. Symantec is the Diamond sponsor. Early-bird registration ends September 6.Visit us: www.blackhat.com ---------------------------------------------------------------------------- ________________________________________________________________________ Delivered using the Free Personal Edition of Mailtraq (www.mailtraq.com)
--------------------------------------------------------------------------- Attend Black Hat Briefings & Training Federal, September 29-30 (Training), October 1-2 (Briefings) in Tysons Corner, VA; the world's premier technical IT security event. Modeled after the famous Black Hat event in Las Vegas! 6 tracks, 12 training sessions, top speakers and sponsors. Symantec is the Diamond sponsor. Early-bird registration ends September 6.Visit us: www.blackhat.com ----------------------------------------------------------------------------
Current thread:
- RE: ICMP (Ping), (continued)
- RE: ICMP (Ping) Tim Greer (Sep 04)
- RE: ICMP (Ping) Gerard Marshall Vignes (Sep 05)
- RE: ICMP (Ping) Tim Greer (Sep 05)
- Re: ICMP (Ping) gregh (Sep 05)
- Re: ICMP (Ping) Tim Greer (Sep 05)
- Message not available
- Re: ICMP (Ping) Tim Greer (Sep 08)
- Re: ICMP (Ping) gregh (Sep 08)
- RE: ICMP (Ping) Tim Greer (Sep 04)
- Re: ICMP (Ping) Tomas Wolf (Sep 08)
- Re: ICMP (Ping) Tim Greer (Sep 08)
- RE: ICMP (Ping) Aditya (Sep 05)
- RE: ICMP (Ping) Christos Gioran (Sep 05)
- RE: ICMP (Ping) Tim Greer (Sep 05)
- RE: ICMP (Ping) Vineet Mehta (Sep 08)
- RE: ICMP (Ping) Tim Greer (Sep 08)
- Re: ICMP (Ping) gregh (Sep 08)