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# 1  
Old 08-04-2008
SSH errors
hellow Experts,

I want to know that whenever i run ssh command,
i get this error
> ssh username@x.x.x.x
ssh: connect to host x.x.x.x port 22: No route to host
or
connection refused

i want to know the exact reason for these errors ..
like because of firewall , no physical conection , connection limit ...???

Thanx
# 2  
Old 08-04-2008
"No route to host" basically means you can't even ping it because the network driver doesn't know where to send the packets.
# 3  
Old 08-04-2008
In rare cases this can also be due to a firewall that intentionally sends back an ICMP packet to pretend the host does not exist. But more frequently it refers to routing problems between the two hosts.
# 4  
Old 08-04-2008
... and Connection refused means there's no daemon listening on port 22, or the connection was firewalled. (Sorry, missed that when initially responding.)
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