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Re: ssh: no route to host



On Mon, 25 Jul 2011 00:29:52 +0200, François TOURDE wrote:

> Le 15179ième jour après Epoch,
> Camaleón écrivait:
> 
>> On Sat, 23 Jul 2011 23:22:57 +0200, François TOURDE wrote:
> [...]
>>> 
>>> No route to host means: "I or some other router on the road can't find
>>> the hardware associated with the IP given, or the way to reach it".
>>
>> (...)
>>
>> "No route to host" is a generic message that you can get on very
>> different situations.
> 
> "No route to host" is the consequence of receiving an ICMP "host
> unreachable" error. It means the ARP resolution failed for reaching the
> next hop.

A host can be "unreachable" due to many causes.

(...)

> When your ISP, like mine, is blocking the xx port, you should receive a
> "connection timed out" message.
> 
> That's what I receive:
> 
>   francois@fermat:~$ telnet gmail.com 25 Trying 209.85.147.17...
>   telnet: Unable to connect to remote host: Connection timed out

That response ("connection timed out") looks like a kind of filter in 
between.

> But perhaps you didn't receive the same error?

Not in my case. I simply got "No route to host" message.

Greetings,

-- 
Camaleón


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