Messages in this thread | | | Date | Sun, 22 Aug 2004 17:13:47 +0400 | From | Brad Campbell <> | Subject | Re: Entirely ignoring TCP and UDP checksum in kernel level |
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Josan Kadett wrote: > I am still persistent on the fact that NAT should work with this sense. > > I just enable NAT with the following command > > iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to 192.168.1.5 > > This IP 192.168.1.5 is our patched linux server which is allowed to acccess > 192.168.1.77 > > Now all protocols in the linux system is working fine as ever, and even ping > sent to 192.168.77.1 returns from 192.168.77.1 that is visible in the > presumably lowest layer of network stack (as tcpdump also sees it that way). > > However; the client on the interface eth0 which has the IP address of > 192.168.0.30 gets its IP address translated to 192.168.1.5, the ping is sent > and a response is received (tcpdump shows it) >
Are you trying to ping 192.168.77.1 from 192.168.0.30?
Can you give me an iptables -L -n -t nat, ifconfig and route -n from the patched box and also route -n and ifconfig from the dummy client at 192.168.0.30 so I can try and get a handle on what you are doing and how it all is supposed to work?
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