root@ben:~# iptables -t mangle -N DIVERT
iptables: Chain already exists.
root@ben:~# iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT
root@ben:~# iptables -t mangle -A DIVERT -j MARK --set-mark 1
root@ben:~# iptables -t mangle -A DIVERT -j ACCEPT
root@ben:~# ip rule add fwmark 1 lookup 100
root@ben:~# ip route add local 0.0.0.0/0 dev lo table 100
RTNETLINK answers: File exists
root@ben:~# echo 0 >/proc/sys/net/ipv4/conf/lo/rp_filter
root@ben:~# ps -ef | grep stunnel
root      5323  4225  0 15:53 pts/3    00:00:00 grep --color=auto stunnel
root@ben:~# ps -ef | grep stunnel
root      5329  3879  0 15:53 pts/0    00:00:00 stunnel4 /etc/stunnel/stunnel.conf
root      5330  5329  0 15:53 pts/0    00:00:00 stunnel4 /etc/stunnel/stunnel.conf
root      5331  5329  0 15:53 pts/0    00:00:00 stunnel4 /etc/stunnel/stunnel.conf
root      5332  5329  0 15:53 pts/0    00:00:00 stunnel4 /etc/stunnel/stunnel.conf
root      5333  5329  0 15:53 pts/0    00:00:00 stunnel4 /etc/stunnel/stunnel.conf
root      5334  5329  0 15:53 pts/0    00:00:00 stunnel4 /etc/stunnel/stunnel.conf