SSH

Those darn SSH connections...

One problem that every network administrator has had to deal with at some point in their careers is securing their equipment from outside attacks that come from the internet.  A firewall is especailly vulnerable since it is the device that protects your network from all those attacks and probes.  One thing that is truly annoying is when you check your logs and find out that someone has been trying to log in to your firewall.  You'll see something like this: