A port provides a location for an application to interface with the network. If there is no application that is listening at a particular point, data sent there will never be used.

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Cannot Delete Unwanted COM ports - Windows 7

I recently installed a Cannon wireless printer for temporary use, the drivers of which set nearly all my COM ports to be constantly in-use (an occasionnal bug noted in the ReadMe after installation ...
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Windows 7 is blocking ports

I am trying to open port 80 and 3690 for HTTP and svnserve respectively (inbound for both). I have Windows Firewall off, and have tried temporarily disabling Mcafee VirusScan Enterprise, to no avail. ...
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iptables firewall only allows internet traffic if source port of 80 is allowed

I am configuring an iptables firewall, currently just to allow http and https traffic. It is working but under a particularly strange rule - I must allow incoming connections with a source port of ...
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How do I forward TCP from one IP to another?

Here's a thing: I have a piece of software listening on 127.0.0.1:port and only (I can choose the port). I want it to work as a server and accept connections from outer network. How can I forward the ...
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Secure FTP Port between Filezilla and Godaddy

I recently upgraded to Filezilla 3.0.x I am getting "filezilla error: Failed to retrieve directory listing godaddy" errors from Filezilla which i believe is because of a blocked port on my firewall ...
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Linking Domain Names to Port Numbers

I have a [game] server (CentOS) that has about 10 used ports. For one game in particular, I have 2 servers: a private one and a public one. The IP for them is the same, so to differentiate between ...
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Correct URL to access webpage on xampp

I installed xampp and made sure config file listens to port 80. I forwarded the http port from the router to the correct computer ip. Now I am trying to access the index.html like this from another ...