belkin adsl high speed wireless G router problem

You SHOULD use the firewall so yours and other comps on the network are protected from unsolicited outside connections.

In the router control panel, accessable via a web browser, will be a section for Port Forwarding:

Port Forwarding is a router feature that allows outside requests for certain services to "pass through" the firewall. This can be used for certain games, servers, applications like PC Anywhere etc.

A www server normaly listens on Port 80 and an FTP server normally listens on Port 21. Thus, to enable other users outside your network to connect to your servers you must config your router's Port Forwarding to pass through port 80 & port 21 requests to the local ip address of your comp.

You will have 2 Port Forwarding entries to configure:
WWW Server port 80 your_ip_address
FTP Server port 21 your_ip_adress

Now, most broadband isps filter ports 80 and 21 so as to prevent residential subscribers from running www and ftp servers. Most isp terms of service agreements prohibit residentail users from running these servers because they consume xtra bandwidth and reduce available bandwidth for other subscribers in the long run.

So, if still want to use these servers then contact your isp to see if allowed.
Secondly, you can bypass isp filters by configuring the servers to listen on different ports and set up router Port Forwarding to use those ports instead of the commpn ports 80 & 21.

To have users connect to your web server they should then type in their browser address bar your REAL ip address followed by a colon & port number:
www example:
http://123.456.789:80 will connect to your web server.
ftp example:
ftp://123.456.789:21 will connect to your ftp server.

123.456.789 = your reqal ip address asigned by your isp. You can find this in your router status page.

Keep in mind that running these servers w/out having a knowledge of server security is risky, for any high school comp science student could easily gain access to your comp w/ a few tricks, as well your isp could terminate or suspend your internet account when they find out you are running servers. ISPs regularly scan their networks looking for users who are running servers.

 

not true, you do NOT need a static ip for port forwarding, but it is best to have one. It's easy to config your computer w/ a static ip:
http://www.portforward.com/networking/static-xp.htm
(plus more useful data re prot forwarding)