Hi list,
I'd like to redirect nntp (usenet) traffic to an internal host running
nntpcache. How do I do that?
Here's how our network looks (I hope you can read my drawing):
clients --- router ------ bridge --- router --- internet
10.x.x.x | 192.168.0.2
nntpcache
192.168.0.2
Our IPS has a newsserver at IP: 111.222.333.444, but I'd like to use
nntpcache to cache articles from this server, even though the clients use
the ISP's IP address directly.
I've done this on the bridge:
iptables -t nat -A PREROUTING -s 10.0.0.0/8 -d 111.222.333.444 -j DNAT
--to-dest 192.168.0.2
If I ping from a client to 111.222.333.444, I get a response from
192.168.0.2 (yipee!) :-)
But I cannot do a "telnet 111.222.333.444 nntp" from the clients - there's
no response what so ever. (bummer!) :-(
I can connect from the bridge to the nntpcache and I can connect from the
clients directly to the nntpcache.
The routers are Cisco routers which cannot do redirection, so I have to do
it at the bridge.
Any help would be greatly appreciated!
Thanks,
Kent B. Hansen
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