[NTLUG:Discuss] how do i know if port 80 was blocked?

[Ryan Sweat]

On Fri, 2003-01-03 at 14:36, m m wrote:
> Thanks you all for the reply.
> I am sorry that I should ask this question as:
> 
> How do I know if at&t block incomming http request to/for the ip 12.237.x.x?
> 
> the problem is the I have setup a web server, and just don't work (it worked 
> before I change cable modem, of course I registered the new MAC address). I 
> have heard that the at&t block the port 80 on some area. I wonder my web 
> site don't work because they block port 80 on my ip.
> 
> thanks.

I can tell you that AT&T does not block port 80 incoming.

To verify, type 

telnet 12.237.x.x 80

If the connection is opened, the port isn't filtered.