Snort mailing list archives

Re: Configuration issue


From: Brian <bmc () snort org>
Date: Sun, 23 Sep 2001 13:51:15 -0400

Let me just make this one comment...

According to DJDave Sobel:

var HOME_NET
[209.190.196.160/28,209.190.206.65/32,209.190.206.66/32,209.190.206.64/3
2,10.1.0.0/24,10.2.0.0/24]

var EXTERNAL_NET !$HOME_NET
var SMTP $HOME_NET
var SMTP_SERVERS $HOME_NET
var HTTP_SERVERS $HOME_NET
var SQL_SERVERS $HOME_NET
#var DNS_SERVERS [209.190.196.163/32,209.190.196.174/32]
var DNS_SERVERS $HOME_NET
preprocessor portscan: $HOME_NET 4 3 portscan.log
preprocessor portscan-ignorehosts: $DNS_SERVERS

You set DNS_SERVERS to HOME_NET and then ignore HOME_NET in your
portscan-ignorehosts.  Why bother running the portscan preprocessor if
you are not going to watch for portscnas?

-brian

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