Hi
I have to figure out how to get some ssl encapsulation for an application we have that only servs on obscure ports, the app needs to retain the source ip adress of the client requests. So i looked at stunnel, its working great in transparent mode where the stunnel server is the default gateway of the socket server, but I would like to get the stunnel server onto the same machine as the socket server and keep the client src ip. Testing with a apache as a backend as its easy to test.
running centos 6.3 (2.6.32-279.19.1.el6.x86_64), updated an hour ago, built stunnel 4.54 from src.rpm.
The players stunnel-boxen external=192.168.0.1, internal=192.168.1.1 web/socket-boxen internal=192.168.1.11, dg=192.168.1.1
The configs Config A - works ok
debug = 7 foreground = yes #not chrooted runnnig as root no setuid,setguid
[socket-1234] cert=blarg.crt key=blarg.key accept = 192.168.0.1:1234 connect = 192.168.1.11:80 transparent = source
Config B - Not so good connect = 192.168.1.1:80 <- inside interface of stunnel box
iptables -t mangle -N DIVERT iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT iptables -t mangle -A DIVERT -j MARK --set-mark 1 iptables -t mangle -A DIVERT -j ACCEPT ip rule add fwmark 1 lookup 100 ip route add local 0.0.0.0/0 dev lo table 100
/etc/sysctl.conf no route filtering and forwarding is on
am i trying something impossible? or am i missing something?
Any help greatly appreciated, if I get this going I'll happily do a nice neater write up for others.
Cheers
Alex