Firewall problem

[Rob Ellis]

On Wed, Oct 01, 2003 at 01:18:17PM -0500, Gary wrote:
> I have set my firewall to
> 
> firewall_type="open"
> firewall_enable="YES"
> 
> and when I want to drop a specific IP, I enter it manually, it accepts it,
> but it does not drop the packets.. 
> 
> I am getting a lot of virus activity on my SMTP port 25. So I wanted to
> drop a few IP ranges/addresses..
> 
> 00100  62054   5483792 allow ip from any to any via lo0
> 00200      0         0 deny ip from any to 127.0.0.0/8
> 00300      0         0 deny ip from 127.0.0.0/8 to any
> 65000 873327 293931424 allow ip from any to any
> 65100      0         0 deny tcp from 24.92.226.153 to any
> 65110      0         0 deny ip from 213.191.102.86 to any           
> 65535      0         0 deny ip from any to any
> 
> Yet, checking later in my SMTP logs, I am still getting pounded by the
> listed addresses. Can anyone explain why this isn't working?
> 

Your deny rules have to be added before the 'allow ip from any to any'.

  ipfw add 100 deny tcp from 24.92.226.153 to any

- Rob