[ILUG] Strange firewall log enteries [?hacking attempts]

[Peter McEvoy]

On Tue, May 11, 2004 at 12:46:15PM +0100, Timothy Murphy wrote:
> Is there a tutorial for the simple-minded anywhere
> on how to check one's firewall?

There are websits that offer free security checks, google for nessus,
iirc.

> Incidentally, if you have a local LAN,
> with everything coming from the outside world
> through one master machine,
> do you run iptables on the "leaves",
> or is it sufficient just to run it on the master?

I block everything coming in, and only let a few of the absolutely
necessary ports be forwarded out

> 
> Final question: why did I put
> ==================================
> $IPTABLES -A INPUT -p tcp --sport 6881:6999 -j ACCEPT
> $IPTABLES -A INPUT -p tcp --dport 6881:6999 -j ACCEPT
> ==================================
> in my rc.local ?
> Was it a good idea?

Bittorrent, at a guess.

--
Pete