ppps wrote: > Hey guys, > first of all I would like to thank them for their great support, thanks to > that I could now bring forward a package from both ends, or for any network, > except for one detail :( The 192.168.5.0 network is supported by a router > zyxell Prestige 660-Hw T1-V2 that gives me access to the Internet. > > Through this router I can reach computers behind the router zyxell (example: > from 192.168.5.20 to 192.168.1.210 via linux FC9), but unfortunately from > 192.168.1.210 I can not ping the interface of the router ZyXEL (IP: 192,168 > .5.1). > > But if I can ping from 192.168.5.254 (linux FC) to 192.168.5.20. This is > quite strange to me :(. I mean > > Pinging 192.168.1.210 192.168.5.1 does NOT WORK! :( > Pinging 192.168.5.254 192.168.5.1 if it works! > 192.168.5.20 Pinging 192.168.5.1 also works > > I called my ISP and I asked for some filter on the router itself that > prevents the ping, but they say that with the default settings there is no > filter that blocks access to the interface. > I even reset the router ZyXEL to the default values but does not work. > > My supplier tells me that there is something in linux known as an "echo" > which I turn off in my linux FC but they have no idea how to do it. : ( > > I need to access my LAN to the Internet but I can only do that from the hosts > directly connected to the router zyxell (including FC), but not from my other > LANS :( > > Please I need your support and thank you very much in advance!! > > >
You make this very difficult as you've changed ip addresses and your not running the tests that you have been asked to run to prove routing from network -> network from the firewall and thru the firewall. *However* trying to use what your showing now it appears that you don't have the route from the ....1.x network (1.210 in this case) to the ...5.x network (5.1, your zyxell router) setup correctly. What is your default route on the 1.210 machine set to? Do (on the firewall): tcpdump -i eth5 -n -nn -vvv host 192.168.5.1 & tcpdump -i eth4 -n -nn -vvv host 192.168.5.1 & And then run a "ping 192.168.5.1" from the 192.168.1.210 host, what do you see? Also, if your zyxell router is your internet router then your firewall will need a default route set to 192.168.5.1 to allow traffic to pass to the zyxell for internet traffic. Kevin
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