Snort mailing list archives

Re: Same config, FreeBSD vs OpenBSD, WAY different results


From: twig les <twigles () yahoo com>
Date: Sun, 12 Oct 2003 13:48:57 -0700 (PDT)

Well it doesn't seem like a snort problem.  Unless the FBSD box
is waaaaay older than the OBSD box, I'd check the FBSD setup. 
Specifically the NIC/driver, maybe even the switch interface for
duplex problems or to make sure it's monitoring all the other
ports.

--- Jim Brown <jpb () sixshooter v6 thrupoint net> wrote:
Hello list,


Re: Version 2.0.2 (Build 92)


The two systems listed have the same config:

The OpenBSD system routinely logs more than 5000 entries while
the FreeBSD system logs less than 600 entries.

The two systems are on the same subnet.

Can anyone tell me why OpenBSD logs far more snort entries
with
the same config???

Thanks,
jpb
===

Sorted config follows:

include $RULE_PATH/attack-responses.rules
include $RULE_PATH/backdoor.rules
include $RULE_PATH/bad-traffic.rules
include $RULE_PATH/chat.rules
include $RULE_PATH/ddos.rules
include $RULE_PATH/dns.rules
include $RULE_PATH/dos.rules
include $RULE_PATH/experimental.rules
include $RULE_PATH/exploit.rules
include $RULE_PATH/finger.rules
include $RULE_PATH/ftp.rules
include $RULE_PATH/icmp-info.rules
include $RULE_PATH/icmp.rules
include $RULE_PATH/imap.rules
include $RULE_PATH/info.rules
include $RULE_PATH/local.rules
include $RULE_PATH/misc.rules
include $RULE_PATH/multimedia.rules
include $RULE_PATH/mysql.rules
include $RULE_PATH/netbios.rules
include $RULE_PATH/nntp.rules
include $RULE_PATH/oracle.rules
include $RULE_PATH/other-ids.rules
include $RULE_PATH/p2p.rules
include $RULE_PATH/policy.rules
include $RULE_PATH/pop2.rules
include $RULE_PATH/pop3.rules
include $RULE_PATH/porn.rules
include $RULE_PATH/rpc.rules
include $RULE_PATH/rservices.rules
include $RULE_PATH/scan.rules
include $RULE_PATH/shellcode.rules
include $RULE_PATH/smtp.rules
include $RULE_PATH/snmp.rules
include $RULE_PATH/sql.rules
include $RULE_PATH/telnet.rules
include $RULE_PATH/tftp.rules
include $RULE_PATH/virus.rules
include $RULE_PATH/web-attacks.rules
include $RULE_PATH/web-cgi.rules
include $RULE_PATH/web-client.rules
include $RULE_PATH/web-coldfusion.rules
include $RULE_PATH/web-frontpage.rules
include $RULE_PATH/web-iis.rules
include $RULE_PATH/web-misc.rules
include $RULE_PATH/web-php.rules
include $RULE_PATH/x11.rules
include classification.config
include reference.config
output alert_syslog: LOG_AUTH LOG_INFO
preprocessor bo
preprocessor frag2
preprocessor http_decode: 80 unicode iis_alt_unicode
double_encode iis_flip_slash full_whitespace
preprocessor portscan: $HOME_NET 4 65 portscan.log
preprocessor rpc_decode: 111 32771
preprocessor stream4: detect_scans, disable_evasion_alerts
preprocessor stream4_reassemble
preprocessor telnet_decode
var AIM_SERVERS

[64.12.24.0/24,64.12.25.0/24,64.12.26.14/24,64.12.28.0/24,64.12.29.0/24,64.12.161.0/24,64.12.163.0/24,205.188.5.0/24,205.188.9.0/24]
var DNS_SERVERS [192.xxx.yyy.a/32,192.xxx.yyy.b/32]
var EXTERNAL_NET any
var HOME_NET

[192.xxx.yyy.a/32,192.xxx.yyy.b/32,192.xxx.yyy.c/32,192.xxx.yyy.d/32,192.xxx.yyy.e/32,192.xxx.yyy.f/32]
var HTTP_PORTS 80
var HTTP_SERVERS
[192.xxx.yyy.a/32,192.xxx.yyy.b/32,192.xxx.yyy.c/32]
var ORACLE_PORTS yyy1
var RULE_PATH /usr/local/etc/snort/rules
var SHELLCODE_PORTS !80
var SMTP_SERVERS
[192.xxx.yyy.a/32,192.xxx.yyy.b/32,192.xxx.yyy.c/32]
var SQL_SERVERS $HOME_NET
var TELNET_SERVERS $HOME_NET
var TELNET_SERVERS [192.xxx.yyy.g/32]


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