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How can I get rTorrent to use a VPN (OpenVPN), but the rest of the applications on my server to use the regular internet-connection? The server runs debian.

iThenrik
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1 Answers1

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Bind listening socket and outgoing connections to this network interface address.

rtorrent -b a.b.c.d

Block all port except port range from 49164 to 49164 (Default port range)

iptables -A INPUT -i "Interface (ex. tun1)" -j DROP
iptables -A OUTPUT -i "Interface (ex. tun1)" -j DROP
iptables -A FORWARD -i "Interface (ex. tun1)" -j DROP

iptables -A INPUT -p tcp --sport 49164:49164 --dport 49164:49164 -i "Interface (ex. tun1)" -j ACCEPT
iptables -A INPUT -p udp --sport 49164:49164 --dport 49164:49164 -i "Interface (ex. tun1)" -j ACCEPT
iptables -A OUTPUT -p tcp --sport 49164:49164 --dport 49164:49164 -i "Interface (ex. tun1)" -j ACCEPT
iptables -A OUTPUT -p udp --sport 49164:49164 --dport 49164:49164 -i "Interface (ex. tun1)" -j ACCEPT

or 

iptables -A INPUT -i "Interface (ex. tun1)" -j ACCEPT
iptables -A OUTPUT -i "Interface (ex. tun1)" -j DROP
iptables -A FORWARD -i "Interface (ex. tun1)" -j DROP

iptables -A OUTPUT -p tcp --sport 49164:49164 --dport 49164:49164 -i "Interface (ex. tun1)" -j ACCEPT
iptables -A OUTPUT -p udp --sport 49164:49164 --dport 49164:49164 -i "Interface (ex. tun1)" -j ACCEPT

or for a specific user

iptables -A INPUT -i "Interface (ex. tun1)" -j ACCEPT
iptables -A OUTPUT -i "Interface (ex. tun1)" -j DROP
iptables -A FORWARD -i "Interface (ex. tun1)" -j DROP

iptables -A OUTPUT -o "Interface (ex. tun1)" -m owner --uid-owner "USER UID (ex. 2021) or USER NAME (ex. ithenrik)" -j REJECT

http://libtorrent.rakshasa.no/rtorrent/rtorrent.1.html
https://wiki.archlinux.org/index.php/RTorrent#Port_configuration

Diblo Dk
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