For GlassWire, a custom port is an Internet port which is different to the GlassWire default.
Custom ports affect remote connections settings
When creating a remote connection GlassWire needs to know the IP address and port number for the connection. This is called the socket (just like the socket for a physical plug). If you have had to change the default port number then you will need to specify the socket (IP address: port number) that GlassWire is to connect to.
Example of a socket with a custom port
Socket = IP address & ":" & port number
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