...and others have dynamic port allocation (controlled by "other"
appliances), you never know which one you're gonna get.... --Forest
Gump? Umm no.

-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of
Earl Wertheimer
Sent: Friday, May 12, 2006 5:58 PM
To: [EMAIL PROTECTED]; [email protected]
Subject: Re: [EDI-L] The Joys of AS2


Kanchi

> I believe the 5 Ports that Canadian retailer mentioned are their 
> outbound ports (80, 2080, 4080, 5080 & 9080). But, they will be coming

> to a particular Port on your system that you tell them to come to. 
> Usually, this Port is built into the URL itself.

No.  Their outbound ports become my inbound ports.  I can tell them that
my 
server is at http://127.0.0.1:9584 but they will just tell me to go fish
;-)
PS: Port 9584 is from an AS2 Hub that we are in production with...

> For example, your URL can be http://b2b.vendor.com:4080/IP2 In this 
> URL, you are asking your partner to come to only Port# 4080 and your 
> AS2 server will listen to only one port# 4080. And this will be the 
> same for all of your inbound partners.

Only if my inbound partners agree.  This one does not.

> Your AS2 software won't care from which Port the trading partner is 
> coming from, they can come from either 80 or 2080 or 9080 etc.

That would be wrong.  All servers have to be configured to 'listen' on a

particular port.  Most times, these are defaults (Web, Email, SSH,
Telnet, 
etc...) 
AS2 recommends a few ports, but you can actually use almost any other.
Ex. pcAnywhere uses 5631 & 5632.  If you want additional pcAny sessions,
you 
have no choice but to use other ports...

If I already have an AS2 server listening on port 8001, then something
sent to 
9080 will be ignored.  

We _have_ found 2 possible solutions, depending on the client setup.
1) run multiple server sessions, each listening on a different port.
2) configure the router to forward the incoming AS2 to the port which is
being 
used by the server.

thanks for everyone's input...

Earl Wertheimer
[EMAIL PROTECTED]
http://www.spe-edi.com




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