doc/isp.md

Internet service providers

Main configuration box

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

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

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

Country

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

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