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Disable protocol using the Linux firewall

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Trekkie

Trekkie

Technical User
Apr 29, 2000
150
CA
Hi,

I got RH 7.3 with iptables (NAT) working fine. What can I use to block/disable certain protocols from going through the firewall (ie smb, ftp, icq, MSN messenger)? I know there is a lot of P2P software that change from default ports, so I rather disable the protocol.

Thanks for any advice.

[bigears]
 
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