Monday, 15 May 2017

Why is FireFox using / listening on port 80

After a short moment today I was wondering why FireFox was listening on TCP port 80 and stopping IIS from starting because of

netstat -anb which gives the following.

 [firefox.exe]
  TCP    127.0.0.1:52243        127.0.0.1:52242        ESTABLISHED
 [firefox.exe]
  TCP    127.0.0.1:60137        127.0.0.1:443          TIME_WAIT
  TCP    192.168.1.3:80         0.0.0.0:0              LISTENING
 [Skype.exe]

Well it's not it's just the order Netstat reports in, and of course it was Skype blocking the port which can be configured with this checkbox on the connection tab! Sanity restored.


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