Re: Can't SSH in to my machine from off site

[Upayavira <uv@upaya.co.uk>]

Sergio Basurto Juarez wrote:

> --- Chuk Goodin <chukgoodin@gmail.com> wrote:
>
>  
>
> > I'm running mostly Woody with some Sarge updates,
> > and I can't seem to
> > SSH in to my machine from offsite. I can do it on
> > the LAN, so I know
> > sshd is running and working, and I can't do it when
> > I hook my Linux
> > box straight into our DSL line, so I suspect it's
> > probably not the
> > router (a DI-604).
> >
> > I've asked other people on my ISP if their port 22
> > is being blocked,
> > and I've also tried running sshd on port 60.
> >
> > I had a similar hardware setup with a machine with a
> > Mandrake 10
> > install and it worked fine. There's a little more
> > information here in
> > this LinuxQuestions.org thread:
> >
> >    
> http://www.linuxquestions.org/questions/showthread.php?s=&threadid=248641
>  
>
> > Does anyone have any suggestions about things I
> > might have overlooked?
> > Attempts to connect just timeout with no response.
> >    
>
> Install nmap
> #apt-get install  nmap
> after this
> run 
> #nmap [external_ip]
> replace external_ip with your extenarl ip, the one
> that connects to your dsl.
>
> you can see if sshd is listen on that interface!!
>  
Or just do netstat -a | less

Look to see if you've got a line saying *:ssh  *:*  LISTEN

Which will tell you you're listening on all interfaces.

What have you got that connects you to the Internet? A DSL router? If 
so, have you configured port forwarding?

Regards, Upayavira