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Interview Question

Linux Systems Engineer Interview Portland, OR

You have a server that can pull data from the outside

  world, but not receive it. What do you do?

Interview Answer

2 Answers


I'm not a networking guy so it took me a while to get this one right. Someone with more networking experience should be able to answer this in like two seconds.

Interview Candidate on Nov 22, 2014

Check your firewall, IP tables rules and determine the type and port the traffic is passing from, potentially something as simple as a unmet rule. Check log files for more information. It could be a Switch or router is blocking the traffic, run traceroute UDP and TCP to see where the clogged pipe is. Check the Transmission rates and the Received rates to see packet drops.

answer? on Jun 20, 2017

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