I would use nmap to do a port scan of the host. You can diagnose firewall
issues very easily by doing an nmap on the IP address of the machine from
another machine and then from the machine itself. Any differences in the
results are probably due to a firewall.
In other words, if nmap shows that port 22 is open when you run nmap on the
machine itself but nmap shows port 22 is filtered when you run it from
another machine, that is probably the firewall.
Another thing you can do is use the -v option to ssh.
$ ssh -v <yourhostname>
That will show you want ssh is doing and if it cannot connect, it will say
why.
----- Original Message -----
From: "Kristoffer Gustafsson" <kg84@xxxxxxxxxxxx>
To: "Linux for blind general discussion" <blinux-list@xxxxxxxxxx>
Sent: Thursday, January 12, 2012 9:34 AM
Subject: Re: open ssh connection
MeddelandeHi.
That doesn't work either, maybe you can't access a virtual machine like
that.
/Kristoffer
----- Original Message -----
From: mattias
To: 'Linux for blind general discussion'
Sent: Thursday, January 12, 2012 10:09 AM
Subject: SV: open ssh connection
try
iptables -F
in debian
-----Ursprungligt meddelande-----
Från: blinux-list-bounces@xxxxxxxxxx
[mailto:blinux-list-bounces@xxxxxxxxxx] För Kristoffer Gustafsson
Skickat: den 12 januari 2012 02:40
Till: Linux for blind general discussion
Ämne: open ssh connection
Hi.
I'm trying to make an open ssh connection in order to access linux from
my windows machine.
I can connect to the machine inside linux using localhost.
But when I try this in windows using putty, it doesn't work.
What can be wrong? can this be some firewall blocking this?
If so, how do I fix it?
I'm using debian.
/Kristoffer
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