Internet service providers

Main configuration box

Here is a non-comprehensive list of internet service providers by country, which contains criteria about tolerance to self-hosting.

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.

A list of French and Belgian ISPs is available on the french page.

USA

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
Cox Multiple Yes No. Only for business class customer. No No Yes, as a business class customer
Charter Multiple Yes No. Only for business class customer. No No Yes, as a business class customer
DSLExtreme Multiple Yes Yes No No Yes, extra charge.

UK

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
BT Internet - - Yes - - No

Brazil

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
Global Village Telecom Multiple Yes No. Only for Fix IP No No Yes, extra charge.

Ireland

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
Whizzy Internet Multiple Yes Yes Yes Yes Yes

Canada

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
Telus Multiple - No. Extra charge - - No. Extra charge
TekSavvy Multiple - Yes No - No. Extra charge

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.

Switzerland

Most of non business IP provided by ISP are blacklisted.

Service provider Box (modem/router) uPnP available Port 25 openable Hairpinning Customizable reverse DNS Fix IP
Sunrise Multiple No Yes No - -
Swisscom Multiple No Yes No - -
VTX Multiple No Yes No - -

If you want to add international ISPs information, please do consider modifying this page.