Internet service providers

To find generic instructions on how to configure port forwarding, see Main configuration box

A "no" may cause problems for using your server or may require you to make additional configuration changes. Status in brackets indicates the default behavior.

Sweden

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
Telia Multiple Yes No. Business only. Yes No. Business only. No. Business only.
Bredbandsbolaget Multiple Yes No. Business only. Yes No. Business only. No. Business only.
Ownit Multiple Yes Yes N/A? ? Yes

Ownit reserves port 3 and 4 of their router to TV. With a simple call to their hotline, explaining that you want to selfhost, they can reassign one of the ports to be in bridge mode. It means that your server will have its own public fixed IP address, in addition to the modem's.

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