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LJDT: Reliable Service / Connection Tests; netcat, not ping, is the correct tool



By: ab

July 18, 2013 11:26 am

Reads: 7935

This entry is part 8 of 10 in the series LJDT - Linux Just Does That

Me: “I cannot get to your site.” Helpdesk: “Hmm, let me check. I can ping it, so it must be okay.” Me: “No, pinging has nothing to do with access to the site.” Helpdesk: “No, you’re crazy, I can ping it so it’s your problem. Goodbye.” If you have never had this type of exchange with others, you’re lucky. The fact of the matter is that ‘ping’, while a good (but not 100% even here) tool to determine if traffic can go from one IP to another, is a lousy tool for determining if anything more than layer three is working …

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Categories: SUSE Linux Enterprise, Technical Solutions

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