On Saturday 26 February 2011 07:49:44 Adam Carter wrote: > > The nc command does nothing when run from the same host I'm trying to > > ssh in to. > > Ok so you may not have an ssh problem (so ignore the ssh specific stuff for > now) you have a network problem. It will be either routing or firewalling. > If you can ping the box, then its a firewall problem. So, try pinging it > first, and if that works then you know that routing is in place and its a > firewall problem. If that doesn't work try traceroute to see how far you > can get, and the last hop may provide clues as to why you can access it by > sending an ICMP message. Post back what you find.
Depending on configuration of routers and firewalls ICMP packets may be dropped, so if plain ping/traceroute fails use httping and tcptraceroute (or traceroute -T -p 22) -- Regards, Mick
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