Como eu resolvi:
1) No iptables:

##############################
# Bloqueando socks tunneling #
##############################
iptables -t filter -A FORWARD -s http-tunnel.com -j DROP
iptables -t filter -A FORWARD -d http-tunnel.com -j DROP
iptables -t filter -A FORWARD -s 64.83.28.77     -j DROP
iptables -t filter -A FORWARD -d 64.83.28.77     -j DROP
iptables -t filter -A FORWARD -d 200.221.7.2     -j DROP
iptables -t filter -A FORWARD -d 63.219.179.196  -j DROP

2) No Squid:
Colocando a palavra "tunnel" na blacklist.
Ningu�m acessa www a menos que seja pelo squid.

Cleyton

On Fri, 23 Apr 2004, Thiago Macieira wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> [EMAIL PROTECTED] wrote:
> >Ola,
> >Como faco para barrar httptunnel e outros programas do genero com o
> > iptables ou squid?
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