Difference between revisions of "Set up a firewall"
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imported>ThorstenStaerk (New page: To set up a firewall use iptables: echo "1" > /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE /sbin/iptables -A FORWARD -p tcp --tcp-flags SYN...) |
(No difference)
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Latest revision as of 08:39, 21 November 2010
To set up a firewall use iptables:
echo "1" > /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE /sbin/iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmt /sbin/iptables -A INPUT -i ppp0 -m state --state ESTABLISHED, RELATED -j ACCEPT