Snort mailing list archives
Re: failure to generate alerts from tcpdump file
From: ypwhich <ypwhich () paunix org>
Date: Wed, 10 Mar 2004 15:54:48 +0000 (UTC)
Looks like you're missing pcre, which is a PERL library. If running Linux, head to rpmfind.net or so to locate it, if BSD - it's in the ports collection. regards, ypwhich On Wed, 10 Mar 2004 jwang () fit edu wrote:
Date: Wed, 10 Mar 2004 03:06:08 -0500 (EST) From: jwang () fit edu To: snort-users () lists sourceforge net Subject: [Snort-users] failure to generate alerts from tcpdump file hi, everyone: I am all new to snort, and just finished install and configed the snort.conf file, also downloaded and installed the latest ruleset from snort.org. but when i was trying to do the following command, it failed! if i take out "-c /.../snort.conf" in command line, the system will only give me an empty alert file?! i would like to knw if there is more i have to config, any other command that will give me the alerts that i wanted? [root@localhost snort]# snort -s -r attack_file_8.tcpdump -c /etc/snort/conf/rules -c /etc/snort/conf/snort.conf ... Warning: /etc/snort/conf/rules/exploit.rules(42) => Unknown keyword 'isdataat' in rule! Warning: /etc/snort/conf/rules/exploit.rules(42) => Unknown keyword 'pcre' in rule! Warning: /etc/snort/conf/rules/exploit.rules(44) => Unknown keyword 'isdataat' in rule! Warning: /etc/snort/conf/rules/exploit.rules(44) => Unknown keyword 'pcre' in rule! Warning: /etc/snort/conf/rules/exploit.rules(46) => Unknown keyword 'pcre' in rule! Warning: /etc/snort/conf/rules/exploit.rules(47) => Unknown keyword 'pcre' in rule! ERROR: ERROR /etc/snort/conf/rules/exploit.rules (49): Bad arguments to byte_test: 2,30 Fatal Error, Quitting..
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Current thread:
- failure to generate alerts from tcpdump file jwang (Mar 10)
- Re: failure to generate alerts from tcpdump file ypwhich (Mar 10)
- Re: failure to generate alerts from tcpdump file Matt Kettler (Mar 10)