On Monday 21 June 2004 11:42, John Summerfield wrote: > richard lyons wrote: > >I must be in an exceptionally dim mood today. I just noticed that > > my laptop, on which I am writing this, is not accessible from other > > boxes on the network. Ping, nfs, cups are all failing to connect. > > Must be > > Sounds ideal to me. Are you running any firewall setup on the laptop?
I did not think I was... [...] > If this command returns a list of machines, your DNS setup is > working: host www.ibm.com $ host www.ibm.com -bash: host: command not found But it must be working, as I can browse the web and ping out to the network. That is a red herring (though I wish I had dig - perhaps I need to install bind to get it.) > > >I can`t at the moment think what to look for next -- quick hint > > anyone? > > Not being able to ping your box can be annoying when you're trying to > diagnose connectivity probs. What does this produce: > iptables -L My output is hugely long. Each of the sections Chain INPUT, FORWARD and OUTPUT have `(policy DROP)`, followed by many other lines. I have never configured a firewall on this computer as the network is behind a firewall. (Accepting that that may not be a good policy). Just the same, I assume this is the problem, as I do get about 150 lines of printout from iptables -L. Can I just turn this off somehow? > > If it is _not_ like this, then that's re reason: > Dolphin:~# iptables -L > Chain INPUT (policy ACCEPT) > target prot opt source destination > > Chain FORWARD (policy ACCEPT) > target prot opt source destination > > Chain OUTPUT (policy ACCEPT) > target prot opt source destination > Dolphin:~# > > > It seems to me you have an unexpectedly secure firewall setup:-) Evidently. :-( Is that half a day of learning, or can I slip out by some cheat? -- richard -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
