defunkt/ports.sh

Created April 21, 2010 17:24

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List what ports are in use on OS X

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	# List what ports are in use on OS X
	sudo lsof -iTCP -sTCP:LISTEN -P

kennethreitz commented Apr 22, 2010

Wow, sudo lsof -iTCP -sTCP:LISTEN -P is alot faster and works great.

acdha commented Apr 22, 2010

@kennethreitz: that's why I posted it - doing the filtering in lsof rather than on its output can be enormously faster (particularly if you use the host/port filtering syntax - e.g. sudo lsof -iTCP:80 -sTCP:LISTEN -P for HTTP) and I've tended to encounter that in situations where it really mattered on busy servers.

nevans commented Apr 23, 2010

I've long been a fan of sudo netstat -tunlp, but I don't know if all of those options are cross-platform or Linux only.

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