one thing i learned from our sys. admin when setting up firewall.. ( hi chris! 
) block all then add individual rules that will fit your needs...


HTH..
 

On Monday 17 February 2003 16:10, Allen Umlas wrote:
> Fellow Pluggers,
>          I encountered twice been hacked by someone outside my network,
> What port usually crakers entered to system? what are thing usually things
> that hackers do? I  used ipchains as my firewall but it useless. How can i
> check my server and block those ports that are common to hackers... I hope
> i can gain more answers here.
>
>
> oninz
>
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