> This is something of an odd request, but here goes... I'm a college
> student, and use my dachstein 1.0.2 floppy firewall to keep my servers
> away from all the hacktivity on the local net... I forward the necessary
> services to my servers, easy enough. But here's the deal: my floor
> wants to put on a game tournament to raise money, and we want to make
> sure that nobody else gets to the game server except ip's that have paid
> the entry fee. I tried using
>
> [from /etc/network.conf]
> EXTERN_TCP_PORT4="[ip of paid-for user]/32 27015"
> EXTERN_TCP_PORT5="[another paid-for ip]/32 27015"
> [and so on and so forth]
>
> and then pointed to the port 27015 server with
>
> [from /etc/network.conf]
> INTERN_SERVERS="... tcp_${EXTERN_IP}_27015_192.168.1.11_27015
> ..."
>
> but that only works for the EXTERN_TCP_PORTx ip with the highest x-value
> (only the last referenced ip address can get in, none of the others)...
> i'd like to allow only the ip addresses in the list to access port
> 27015, and it's not just a subnet.. it will be a list of (essentially)
> random ip addresses. I think maybe ipchains can do it, but I'm
> extremely new to this whole lrp game. Thanks for your help.
You're on the right track...what you list above ought to work (assuming your
EXTERN_TCP_PORTx settings start with x=zero and increment with no missing
numbers).
Can you provide the output of "net ipfilter list"?
Charles Steinkuehler
http://lrp.steinkuehler.net
http://c0wz.steinkuehler.net (lrp.c0wz.com mirror)
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