Snort mailing list archives
Content checking in Snort-2.8.3.2
From: bahamin takhtaei <b_takhtaei () yahoo com>
Date: Sun, 25 Jan 2009 06:25:11 -0800 (PST)
Hi, I install Snort-2.8.3.2 and check some content-rules, but Snort can't match any content with "content-length > 2" ! for example: I add these rules to local.rules: 1. alert tcp any any -> any any (sid:10001001; msg:"http-th"; content:"th"; nocase;) 2. alert tcp any any -> any any (sid:10001002; msg:"http-the"; content:"the"; nocase;) 3. alert tcp any any -> any any (sid:10001003; msg:"http-hex"; content: "|20 61 6e 64 20 64 69 72|"; nocase;) 4. alert tcp any any -> any any (sid:10001004; msg:"http-hex2"; content:"|20 61|"; nocase;) ----------------------------------------------------------------------- then send a http-traffic to Snort-machine that contains many "the" pattern, but only rule1 and rule4 are triggerd. Why please? Notice: my snort.conf is a sample config file that there is on snort.org.
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Current thread:
- Content checking in Snort-2.8.3.2 bahamin takhtaei (Jan 25)
- Re: Content checking in Snort-2.8.3.2 Leon Ward (Jan 26)
- Re: Content checking in Snort-2.8.3.2 bahamin takhtaei (Jan 26)
- Re: Content checking in Snort-2.8.3.2 Joel Esler (Jan 27)
- Re: Content checking in Snort-2.8.3.2 bahamin takhtaei (Jan 27)
- Re: Content checking in Snort-2.8.3.2 Matt Watchinski (Jan 27)
- Re: Content checking in Snort-2.8.3.2 bahamin takhtaei (Jan 26)
- Re: Content checking in Snort-2.8.3.2 Leon Ward (Jan 26)
- <Possible follow-ups>
- Re: Content checking in Snort-2.8.3.2 bahamin takhtaei (Jan 27)
- Re: Content checking in Snort-2.8.3.2 Todd Wease (Jan 27)
- Re: Content checking in Snort-2.8.3.2 bahamin takhtaei (Jan 28)
- Re: Content checking in Snort-2.8.3.2 Todd Wease (Jan 28)
- Re: Content checking in Snort-2.8.3.2 Todd Wease (Jan 27)