RFE not really appropriate to the Dallas offering. It is kind of a "what you 
see is what you get" product offering. It is darned good for the price. 

The service is an entire (virtual) mainframe. The user "owns" it. We "own" our 
own TCPIP. I will edit the TCPIP profile to reflect the port reservation. If I 
needed help with it they would give me (some) help.

Charles


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Paul Gilmartin
Sent: Thursday, May 6, 2021 4:29 PM
To: [email protected]
Subject: Re: Looking for help understanding an FTP problem

On Thu, 6 May 2021 08:54:18 -0700, Charles Mills wrote:

>Yup! The answer from Dallas is
>
><URL:http://dtsc.dfw.ibm.com/MVSDS/'HTTPD2.DSN01.PUBLIC.SHTML(BLKPORTS)'> [RFC 
>1738; gil]
>
>I think that is a public document. If it's not, well, sorry.
>
>I guess I will add all of these to the PORT list.
>
I find various documentation (Linux-centric?) that if your client
requests port 0, the service returns an unused port, no TOCTTOU.

Of course, your problem is not that they are in use, but that they
are blocked by the firewall.  But it would be a courtesy if the
service were to treat them as if they were in use.

RFE?

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