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I cannot connect to telehack.com:6668 using Tails

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  I cannot connect to telehack.com:6668 using Tails Scientific (she/her) ⚧ <science@danwin1210.de> - 2022-02-05 20:12 +0000
    Re: I cannot connect to telehack.com:6668 using Tails Clint Kimble <invalid@dont-email.me> - 2022-03-05 09:47 +0100

#91 — I cannot connect to telehack.com:6668 using Tails

Now it's a serious question, not some alt.atheism bullshit.

Whenever I attempt to SSH to telehack.com port 6668 on Tails 4.26, it 
displays this error:

> nc: connection failed, SOCKSv5 error: General SOCKS server failure
> ssh_exchange_identification: Connection closed by remote host

Is this a Tor fault?

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#92

In article <stmlo5$pad$3@dont-email.me>
=?UTF-8?B?U2NpZW50aWZpYyAoc2hlL2hlcikg4pqn?= 
<science@danwin1210.de> wrote:
>
> Now it's a serious question, not some alt.atheism bullshit.
>
> Whenever I attempt to SSH to telehack.com port 6668 on Tails 4.26, it
> displays this error:
>
> > nc: connection failed, SOCKSv5 error: General SOCKS server failure
> > ssh_exchange_identification: Connection closed by remote host
>
> Is this a Tor fault?

The issue is that Tails' ssh config will try to use Tor to 
connect to any internet routable address, with exceptions set 
for private IP ranges.

Since you're referencing the public address, ssh is trying to 
use Tor to connect but since the destination only accepts 
connections from other devices on the same network, it cannot 
establish a Tor connection.

Tails' iptables configuration would also mean that even if ssh 
wasn't trying to proxy the connection over Tor, a connection to 
an internet address that wasn't made through Tor would be 
dropped.

You could setup an onion to provide ssh access over Tor (even a 
single-hop-onion to improve latency, since the server doesn't 
need location anonymity) which would allow you to ssh to it from 
Tails, otherwise you'd need to be able to route to it from a 
private IP range, specifically one of: 10.0.0.0/8, 172.16.0.0/12 
or 192.168.0.0/16

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