What do your ipchains rules look like? A good place to start is with
Rusty's Three-Line Guide To Masquerading at
http://www.rustcorp.com/linux/ipchains/HOWTO-3.html#ss3.1
That's basically all it took for my setup, which is remarkably similar
to yours, including the ISP.
Dave
Jamby wrote:
>
> Howdy
>
> I have a network with a router, the router is a
> dell/100/pent/rh6.1 with named, diald and ipchains. When I original set
> this up it appeared to be very close to what I wanted except for setting
> the ipchains rules. But along the way I have screwed it up till I have
> no idea what's wrong.
>
> example: this is the output of route -n when diald has connected to the
> ISP.
> [root@nubble rc.d]\% /sbin/route -n
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> 192.168.0.1 0.0.0.0 255.255.255.255 UH 0 0 0
> eth0
> 168.121.1.1 0.0.0.0 255.255.255.255 UH 0 0 0
> ppp0
> 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0
> eth0
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
> lo
> 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0
> ppp0
> [root@nubble
> rc.d]\%
>
> I would expect the ppp0 at the bottom to have a gateway defined.
>
> example: from the /var/log/messages file.
> Mar 1 12:36:52 nubble diald[8178]: new state START_LINK action
> 0x80514d0 timeout 60
> Mar 1 12:36:52 nubble diald[8178]: Connected to site 10.0.0.2
> Mar 1 12:36:52 nubble diald[8178]: Running pppd (pid = 8189).
> Mar 1 12:36:52 nubble diald[8189]: Running pppd: /usr/sbin/pppd
> -defaultroute -detach modem crtscts mtu 1500 mru 1500 ktune
> Mar 1 12:36:52 nubble pppd[8189]: pppd 2.3.10 started by root, uid 0
> Mar 1 12:36:52 nubble pppd[8189]: Using interface ppp0
> Mar 1 12:36:52 nubble pppd[8189]: Connect: ppp0 <--> /dev/ttyS1
> Mar 1 12:36:55 nubble diald[8178]: filter accepted rule 1 proto
> 134639784 len 63 packet 10.0.0.1,53 => 198.17.208.67,53
> Mar 1 12:36:56 nubble pppd[8189]: local IP address 165.121.33.123
> Mar 1 12:36:56 nubble pppd[8189]: remote IP address 168.121.1.1
> Mar 1 12:36:57 nubble diald[8178]: New addresses: local 165.121.33.123,
> remote 168.121.1.1, broadcast 0.0.0.0
>
> During this connection neither the other network machine (win98box) nor
> the router (using lynx) could connect to the internet. And the router
> cannot ping my ISP DSN severs.
>
> Any suggestions would be most appreciated.
> Jim H.
>
> Mailed with Netscape 4.7 on RedHat Linux 6.1
> 2000 years ago the Egyptians treated cats as Gods.
> They never got over it.
>
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