PF Configuration - FreeBSD Release 9.0 x64

[Damien Fleuriot]

On 11 Sep 2012, at 10:15, "Shiv. Nath" <prabhpal at digital-infotech.net> wrote:

> Dear FreeBSD Guys,
> 
> It is FreeBSD Release 9.0 x64 and i see this log very frequent almost every second, And i want to block this IP from reaching my server. i configured the PF as following but still see the same logs, it is like it did not work.
> 
> block in log quick from 41.211.2.239/32 to any
> 
> 
> Sep 11 07:49:56 titan avahi-daemon[1567]: Received response from host 41.211.2.239 with invalid source port 4331 on interface 'em0.0'
> Sep 11 07:50:25 titan avahi-daemon[1567]: Received response from host 41.211.2.239 with invalid source port 38627 on interface 'em0.0'
> Sep 11 07:51:29 titan avahi-daemon[1567]: Received response from host 41.211.2.239 with invalid source port 38627 on interface 'em0.0'
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It says it received a *response* so my understanding is *you* are trying to connect.

Adjust your rule and see if it's any better.