[off topic] poor firewall (was Re: Strange traffic?)

["Bruno Gimenes Pereti" <pereti () ump edu br>]

> Looks like someone is trying to scan your net for TFTP servers.  Using a
> source port of 53 is a common method to bypass poorly configured
firewalls.

Hi,

I know it is not directly relationed to snort but I got worried when Erek
mensioned "poor configured firewalls".
Where could I find some information about *GOOD* IPChains rules and what
exploit are they for.

Thank's and sorry for the off topic.

Bruno Gimenes Pereti.


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