This talk will explain under what conditions it is safe to stop running the telnetd server and describe several approaches to prevent unwanted access to the module, via telnet, when it is not safe to just stop the telnetd server. It will also discuss a very common disabling approach that does not work as expected [...]

TCP Backlog capture is an effect that prevents a server application on the Stratus module listening on port X from successfully creating a connection with any client trying to connect to port X. Connections to other ports even from the same clients work fine. The typical solution is to shut down and restart the server [...]