How to Detect Dead Telnet Sessions in AIX
AIX is an IBM Unix operating system designed to run on servers. Accessing information on the system for these servers is done differently than on a personal computer. You can access the server through a Telnet session, using another computer to log in and view the information on the server. Having a Telnet session open at all times is a security risk, because it leaves the entire system open to anyone who happens to go to that computer while you step away. The Telnet session will log out automatically after 30 seconds of no use. You can verify that your connection has automatically been logged out by waiting for a specific command.
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Instructions
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Open Telnet on the personal computer and connect to the AIX server.
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Access the information you need using Telnet. This will display a window showing you the information directly from the AIX server. When done, do not enter any commands into Telnet for 30 seconds to verify it logs out automatically.
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Watch for the command on the screen that says "timed out waiting for input: auto-logout
Connection closed" for your verification that Telnet did go dead.
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Tips & Warnings
Only the system administrator is capable of changing the time delay for the automatic log out.
