Hello,
My first post on the newbie list...
I have been struggling for some time to get SSH to work on my Linux box
(2.2.13-4mdk : Mandrake 6.1).
I believe I finally have it up and running, because I am able to create a
SSH connection from/to the machine itself.
What I can't seem to manage is to make a SSH connection from an external
machine (I work in DC, Linux box is at home in OH). I am trying using
FiSSH and I repeatedly get "Failed to Connect to Host."
Now, I do have a firewall up, and it is a pretty basic one in order to
provide IP-Masquerading (which works!), so I thought
maybe my problem was simply that the firewall wasn't letting the connection
to port 22. So, after extensive research I felt
that what I needed to add was a couple rules to allow the connection in,
and I tried to add something like this (and other
similar variations):
ipchains -A input -p tcp -s xxx.xxx.com -d yyy.yyy.yyy.yyy 22 -j ACCEPT
ipchains -A output -p tcp -d xxx.xxx.com -d yyy.yyy.yyy.yyy 22 -j ACCEPT
But it isn't working - and I think my problem lies with xxx.xxx.com and
yyy.yyy.yyy.yyy (the source and destination addresses).
1. I don't exactly know the source IP address for where I'm at, so is it
acceptable to use xxx.xxx.com instead?
2. I have a variable IP - so how the heck do I populate yyy.yyy.yyy.yyy
with my current IP address if I don't even know it?
For #2 - I've seen some people use $IPADDR which is all well and good, but
I don't know how to populate that variable without simply hardcoding and
that just presents the same problem again.
In addition, I typed in the ipchains commands (both above) at the command
prompt and used what my IP address is currently and I still couldn't
connect to it remotely via SSH. So now my entire solution has been
undermined.
Any suggestions?
Thanks,
George
