tools networking windows troubleshooting sysadmin

Very geeky question

July 25, 2005·1 min read

Something on my computer is binding to port 80. Short of manually turning on and off every process on my computer, how do I find out what process is binding to what port? (Windows XP, SP1)

Update: Thanks for your responses (mainly via MSN). It turns out it was Skype, the pesky thing, but at least it wasn't some sinister spyware. Thanks to Steve (he's a fan of uber-minimalist web design) for the pointer to the thoroughly useful TCPview, which was exactly the tool for the job. SysInternals seem to do a lot of other useful stuff, too.

I love my blog. I could've gone looking for that answer, or just sat here until somebody popped along and answered it for me.

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Laurie Voss is a developer, writer, and recovering npm co-founder. Writing about technology and what it means for humans since 2001.

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