Snort mailing list archives
Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3
From: "C. L. Martinez" <carlopmart () gmail com>
Date: Sat, 1 Jun 2013 06:57:51 +0000
Please, any idea where can it be the problem??. I have do it more tests with same results. For example I have increased bpf max buffers size, doing a minimal snort conf, but nothing. On Thursday, May 30, 2013, C. L. Martinez <carlopmart () gmail com> wrote:
Hi all, According to the following stats: May 30 11:46:22 nsm01 snort[30096]:
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May 30 11:46:22 nsm01 snort[30096]: Packet Performance Summary: May 30 11:46:22 nsm01 snort[30096]: max packet time : 10000 usecs May 30 11:46:22 nsm01 snort[30096]: packet events : 654 May 30 11:46:22 nsm01 snort[30096]: avg pkt time : 27.1384
usecs
May 30 11:46:22 nsm01 snort[30096]: Rule Performance Summary: May 30 11:46:22 nsm01 snort[30096]: max rule time : 4096 usecs May 30 11:46:22 nsm01 snort[30096]: rule events : 20 May 30 11:46:22 nsm01 snort[30096]: avg rule time : 1.046 usecs May 30 11:46:22 nsm01 snort[30096]:
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May 30 11:46:22 nsm01 snort[30096]: Packet I/O Totals: May 30 11:46:22 nsm01 snort[30096]: Received: 69971576 May 30 11:46:22 nsm01 snort[30096]: Analyzed: 22427618 ( 32.052%) May 30 11:46:22 nsm01 snort[30096]: Dropped: 41532168 ( 37.247%) May 30 11:46:22 nsm01 snort[30096]: Filtered: 0 ( 0.000%) May 30 11:46:22 nsm01 snort[30096]: Outstanding: 47543958 ( 67.948%) May 30 11:46:22 nsm01 snort[30096]: Injected: 0 May 30 11:46:22 nsm01 snort[30096]:
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May 30 11:46:22 nsm01 snort[30096]: Breakdown by protocol (includes rebuilt packets): May 30 11:46:22 nsm01 snort[30096]: Eth: 22436767 (100.000%) May 30 11:46:22 nsm01 snort[30096]: VLAN: 0 ( 0.000%) May 30 11:46:22 nsm01 snort[30096]: IP4: 22436767 (100.000%) May 30 11:46:22 nsm01 snort[30096]: Frag: 12 ( 0.000%) May 30 11:46:22 nsm01 snort[30096]: ICMP: 110634 ( 0.493%) May 30 11:46:22 nsm01 snort[30096]: UDP: 752816 ( 3.355%) May 30 11:46:22 nsm01 snort[30096]: TCP: 19433478 ( 86.614%) using snort under OpenBSD 5.3 doesn't returns good performance. Host is a Intel(R) Xeon(R) CPU E5620 @ 2.40GHz, with 8 GiB RAM and four e1000 interfaces. In this sensor, I only use so_rules: # 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 and monitored network is a 1GiB network. Any ideas why??
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Current thread:
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3, (continued)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 C. L. Martinez (Jun 06)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 C. L. Martinez (Jun 07)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 C. L. Martinez (Jun 12)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Victor Roemer (Jun 12)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 C. L. Martinez (Jun 12)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Joel Esler (Jun 12)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 C. L. Martinez (Jun 13)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 C. L. Martinez (Jun 13)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 waldo kitty (Jun 13)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Joel Esler (Jun 01)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Markus Lude (Jun 19)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Joel Esler (Jun 19)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Markus Lude (Jun 19)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Joel Esler (Jun 19)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Markus Lude (Jun 20)
- Re: Poor performance with Snort 2.9.4.6 under OpenBSD 5.3 Joel Esler (Jun 20)