| My ISP blocks port 80 / port 25 |
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To reduce the amount of spam and other dishonest uses of the internet (eg phishing sites) some ISPs block traffic on ports 80 (HTTP) and 25 (SMPT). If this is happening to you then you have three possible solutions,
1. Talk to your ISP. Ask them if there is a way to get this block removed. 2. Change your ISP 3. Change the port your server listens on and sign up for a web-hop service which will redirect requests to this port. DYNDNS offers such services.
If you have a router which supports port redirection this is very easy to do. You leave the ports on your local services as they are and get the router to redirect your chosen port number to the regular local port. For example if you tell the webhop service to redirect http requests (normaly port 80) to port 9120 and then set up port redirection on your router to send traffic for port 9120 to local port 80 your server will respond perfectly to client requests. |
