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Old 7th March 2012, 21:51
WouterDS WouterDS is offline
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Default OpenVPN iptables + redirects to other host


I have finally managed to install OpenVPN on my server and works good.
But the only problem is that when I run the iptables for OpenVPN it breaks my other rules that are forwarding incoming traffic on port 443 and port 444 to another host.

Anyone who can help me combining them so they'll work together?

These are my iptable rules for the OpenVPN
iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -s -j ACCEPT   
iptables -A FORWARD -j REJECT
iptables -t nat -A POSTROUTING -o venet0 -j SNAT --to-source

echo 1 > /proc/sys/net/ipv4/ip_forward
And these are my iptable rules to forward the traffic to my other server
iptables -t nat -A POSTROUTING -d \
-p tcp --dport 443 -j SNAT --to

iptables -t nat -A PREROUTING -d \
-p tcp --dport 443 -j DNAT --to

iptables -t nat -A POSTROUTING -d \
-p tcp --dport 444 -j SNAT --to

iptables -t nat -A PREROUTING -d \
-p tcp --dport 444 -j DNAT --to

echo 1 > /proc/sys/net/ipv4/ip_forward
Thanks in advance,
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