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On 2003年7月23日, Stephen Gran wrote: > On Wed, Jul 23, 2003 at 10:49:46PM -0400, Sandhitsu R Das said: > > > > I just set up my linux box with roaring penguin pppoe. It works fine > > except for one thing. I don't seem to able to connect to my machine > > from the outside world. > > > > When I had DCANet I had a static IP so it was easy. This time I set up > > DynDNS and tried to connect - the name resolution seems to be working > > fine. > > > > I can't even ping my machine from outside although I can traceroute > > all right. > > > > If I ping from a local shell, I get the following error: sendto: No > > buffer space available > > > > Same error with nmap. > > This last sounds like lo might not be up. Perhaps this is causing the > rest, although I am not sure. Any errors in syslog or anywhere else > that raise eyebrows? > > Turns out the roaring penguin pppoe software messed with my firewall settings and set everything including ICMP echo to DENY. I'm impressed! I turned incoming port 22 connections back on in their firewall script and I can ssh from outside now. But "ping localhost" still doesn't work - I don't know why. The firewall only denies stuff on ppp0, not on lo. _________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.netisland.net/mailman/listinfo/plug-announce General Discussion -- http://lists.netisland.net/mailman/listinfo/plug