Skype Stole Port 80

Posted At : January 21, 2009 4:14 PM | Posted By : Gary Gilbert
Related Categories: MicroSoft,Coldfusion,Railo

In an effort to reduce unnecessary running process on my machine I decided to turn the IIS process into a manual start-up process, same with Coldfusion, Railo etc. So today I had a bit of time to do a little testing and wanted to test the difference between Railo and Coldfusion's CFFEED.

I started up Railo which is running on the default port of 6800 and then tried to start IIS up and received a lovely error message "Unexpected Error 0x23EF1A" or something very similar. WTF?!

Who's stolen port 80 from under me? How do I find out who's listening to what on windows? Netstat thats how

c:\Netstat -a -n -o

The above command gives you a nice big list of all the ports and what PID is currently listening to that port. I then did the following

c:\tasklist /SVC

This gave me a big list of all the running processes their name and PID and low and behold SKYPE was listening on port 80 and blocking IIS from starting.

Yes I could have simply changed the port properties but I wanted to know who the culprit was.

To get IIS to start up again on port 80 all I did was shut Skype down and start IIS. I then started Skype up again and it chose another port automatically.

Now I can get back to my original plan and test the cffeed tags.

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2 Comments to "Skype Stole Port 80"- Add Yours

had a very similar problem recently with Mail Enable on my server. it somehow changed to Automatic startup (i had disabled it) and stole port 25, so when IIS Virtual SMTP tried to start it couldn't use that port.

wish you would have posted a week ago, would have made my troubleshooting a lot easier! :D

# Posted By todd sharp | 1/21/09 6:53 PM

There's an option in skype configuration to prevent skype from taking port 80. It is in the advanced tab and it is called "Use port 80 and 443 as alternatives for incomming connections".
Once I unckecked it, I no longer had that problem. Hope this helps

# Posted By Rodrigo | 1/21/09 7:51 PM

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