Routers and port control

  • Thread starter Thread starter Jim
  • Start date Start date
J

Jim

When I got my Netgear RT-314 you could assign ports to a specific local
IP. Tough luck if you have more than one computer you'd like to have
access to those ports.

Do the newer ones act the same way or might they allow ports to be open
to several?
 
Jim said:
When I got my Netgear RT-314 you could assign ports to a specific local
IP. Tough luck if you have more than one computer you'd like to have
access to those ports.

Do the newer ones act the same way or might they allow ports to be open
to several?
Click to expand...
Any modern router today allows redirection to ANY local IP and/or port you
like.

Jim
 
That's still the way it's done.

The idea being that an incoming request on port AAA gets directed to local
IP BBB:CCC.DDD.EEE
And it's a one way street, ie. one outside XXX -> one local YYY.
So if you want the same services available on all local computers, the
services will have to use a different port / computer
So multiple webservers, for example, each has to have a different port
assigned to them, not 80

If your public IP is like XXX.ZZZ.VVV.WWW and you have 3 http-servers, HTTP1
has to have the port set at 80, HTTP2 at 81 and the HTTP3 at 82 or
something like that..

Thus, an in coming request to XXX.ZZZ.VVV.WWW:82 goes to HTTP3



You just have to remeber which computer is at which port


But from the inside, all computers can go out to all ports..



(I haven't the vocabulary or logic to put it clearer than this......
-) )
--
Tumppi
=================================
Most learned on these newsgroups
Helsinki, FINLAND
(translations from/to FI not always accurate
=================================
 
When I got my Netgear RT-314 you could assign ports to a specific local
IP. Tough luck if you have more than one computer you'd like to have
access to those ports.

Do the newer ones act the same way or might they allow ports to be open
to several?
Click to expand...
Why would it? You should only have one server that processes incoming
requests for each service running on a particular port.
 
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