tcpdump dst port 27015 | egrep -i "valve|steam"

2013/9/29 Marco Padovan <e...@evcz.tk>:
> Hi,
>
> due to serious ddos attacks we had to put up a very strict firewall
> rulesets.
>
> Basically we permit just the incoming listening ports (client, server and
> tv) and deny everything else.
>
> With that setup everything runs smoothly except if you press M to access
> the inventory and you see that error.
>
> My question is: what is the item server port so we can create a specific
> rule for that kind of traffic?
> Does the steam item server port send traffic with source 27015?
>
> Additionally does the connection to the item server make use of a random
> local port instead of the one defined with the +clientport command line
> switch right?
>
> Thank you,
> best regards
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