telnet provides quite a bit of remote management capability; it essentially offers the ability to make a connection between two computers in order to manipulate the remote machine through a virtual terminal connection. Surprisingly, we are not here to discuss any of the actual functionality that telnet provides, because with regard to networking I find it is quite useful as a simple connection-testing tool, without knowing anything about what functionality the telnet command itself actually provides.
When we discussed ping , we talked about the downside to ICMP: it is easily blocked, and it is becoming more common in today's networks not to allow pings to be successful. This is unfortunate since ping has always been the most common ...
