-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Sunday 24 November 2002 12:06 am, Woody Green wrote: > On the sharing machine, run iptables-save and post the output here. >
Hello, After some fiddling I managed to get things working again, though I only barely understand what I did. Below is the output of iptables-save. There are a few duplicate entries resulting from my fiddling but so far it is working. Day before last I had it working too via an ad-hoc wireless connection but after several hours of connectivity, it just quit and I could not regain an adhoc connection even after repeated attempts. I finally got a new adhoc regoing but without being able to share the internet connection until after my long bought of reading and fiddling with iptables (results below). Any suggestions or improvements would be greatly appreciated. At this point, and as a result of my fiddling, I _think_ all I need to do next time is do: iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE iptables -t nat -I PREROUTING -i eth0 Am I missing something? [root@Stonekeep praedor]# iptables-save # Generated by iptables-save v1.2.5 on Sun Nov 24 07:26:34 2002 *filter :INPUT ACCEPT [29568:5444758] :FORWARD ACCEPT [6207:1830932] :OUTPUT ACCEPT [29589:2467901] COMMIT # Completed on Sun Nov 24 07:26:34 2002 # Generated by iptables-save v1.2.5 on Sun Nov 24 07:26:34 2002 *nat :PREROUTING ACCEPT [610:39174] :POSTROUTING ACCEPT [3504:360904] :OUTPUT ACCEPT [3898:387546] - -A PREROUTING -s 192.168.0.2 -i eth0 - -A PREROUTING -i eth0 - -A PREROUTING -s 192.168.1.0/255.255.255.0 -i eth0 - -A PREROUTING -s 192.168.0.0/255.255.255.0 - -A PREROUTING -i eth0 - -A POSTROUTING -s 192.168.0.0/255.255.255.0 -j MASQUERADE - -A POSTROUTING -o ppp0 -j MASQUERADE - -A POSTROUTING -o ppp0 - -A POSTROUTING -o ppp0 - -A POSTROUTING -o ppp0 -j MASQUERADE COMMIT # Completed on Sun Nov 24 07:26:34 2002 > Woody > > Praedor Atrebates said: > > I am having problems with a internet connection share. Oddly, I had it > > working for a while last evening but then, suddenly, it died and I was > > unable to communication computer to computer via wlan (sharing a modem > > connection on one of them). > > > > Running Mandrake 8.2, I have a usb wlan device on my desktop set as eth0 > > and IP 192.168.0.1 as well as a modem (ppp0) through which the internet > > connection is to be shared. My laptop has a wlan card set as wlan0 and > > IP 192.168.0.2. The wireless connection is ad-hoc and they are > > communicating just fine but I am unable to get the laptop to > > communicate with the internet via the desktop's modem connection. In > > other words, the connection is being shared. > > > > This appears to be a problem with iptables setup. Can someone help me > > out with getting iptables setup (to run NAT) so that my laptop can > > communicate with the internet via the desktop modem? > > > > praedor - -- Conservatives of all times are adventitious liars. - - Friedrich Nietzsche. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQE94Mg+1i/6R1B/Yh0RAuJuAJ9hCxgAebwUGRIoH9uvZDpV0P2TEACeINyA kS4sBnDEOsjSSQsO8Wng6e0= =Jchs -----END PGP SIGNATURE-----
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