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Old 06-04-2009, 07:17 AM   #1
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only allow certain ip's

Ive got a debian server setup and using the proxy tunnel option of putty.

Alls working 100%, however, how can i block or only allow certain websites/ips without blocking the server itself?


Blocking/allowing based in usergroup


Last edited by Pengoo; 06-04-2009 at 07:24 AM. Reason: Added extra thoughts
Old 06-04-2009, 09:37 AM   #2
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man iptables for details on filtering based on uid/gid
Old 06-04-2009, 10:18 AM   #3
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Also look into tcp-wrappers

/etc/hosts.allow & /etc/hosts.deny
Old 06-04-2009, 03:17 PM   #4
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Ive created a group called sllusers (GID = 102)
and a user (trial) which belongs to this group

Putty socks5 tunnel

Now logging into the server, they have FULL access.

So ... i assume using iptables and the gid i can start allowing access to ip ranges and ports.

iptables -A OUTPUT -p tcp --dport 3128 --gid-owner 102

But it doesnt work ...

iptables v1.3.6: Unknown arg `--gid-owner'

Any ideas?
Old 06-04-2009, 04:33 PM   #5
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Got it working !!!

tnks for direction


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