There is always many little things we can do to make life just a bit more difficult for the bad guys.
For example, locking your doors deters a criminal and will most likely look for an easier target. Of course the bad guy is determined to steal your pet rock collection, he will probably find a way in.
In the past, I have cautioned you about using Telnet within an untrusted network. In the networking world, I see various vendors that store passwords in clear text which could be considered the same thing. I have seen analysts print off a configuration and leave it on the desk. Or worse, email it to a vendor when troubleshooting. What could be so bad about that? Well, in many cases the default configuration may not encrypt your password.
In this video I show you the simplest Cisco commands to protect your passwords.
I don’t want to jump on my soapbox, but don’t forget to protect your SNMP write strings.