Re: Update APBS port mappings
Re: Update APBS port mappings
- Subject: Re: Update APBS port mappings
- From: Mark Thomas <email@hidden>
- Date: Wed, 01 Oct 2003 23:47:18 +0100
- Organization: Coderus Ltd
Hi,
>
The primary reason to create manual port mappings is that
>
you have some kind of server behind your NAT box that you
>
would like to receive unsolicited traffic for a known Apparent
>
endpoint on the NAT box.
That's sounds what I'm trying to do.
>
>
Once your server has a way to communicate with a specific client,
>
it can create any port mappings it wants just by sending
>
packets with the corresponding address and port information
>
in the IP and TCP/UDP header.
>
>
When you say the "server then hands off to another port",
>
what exactly is going on? How does the client find out
>
about this other port? All you should need to do to create
>
a port mapping is initiate contact with the client from
>
this other port on your server behind the NAT box.
>
I also tried this with the apache web server , as I pointed port 80 of the
APBS to my machine port 80. If used localhost address, then all worked fine,
but if I tried using the APBS WAN API address, then the browser just sits
there, and gets a connection error after a while. I have checked to see if
my ISP blocks port 80, which they don't, so I guess this should have worked.
On the programmatic side I'm doing the usual listen, then accept calls,
The server works fine, if I remove the NAT box, and make my machine take the
WAN connection.
Any ideas, why then this doesn't work ???.
Thanks
Mark.
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