Re: FTP BIN on V5R2

That's an interesting take on this Scott! One I don't know the answers to,
but I'll see if I can find out more details.

I did hear this morning that now they are ordering a new Ethernet card. Ha!
Not sure what they think they'll gain by that move as all other traffic
works fine over that card....but I guess it makes them feel like they are
doing something.

For what it's worth...FTP works fine on all of our other V5R2 systems,
including an LPAR box in the office. It's only at one client that we are
having this problem.

If I can get some more details, or I hear that it was resolved, I'll post
the information here.

Thanks everyone,

Shannon O'Donnell


----- Original Message ----- 
From: "Scott Klement" <klemscot@xxxxxxxxxxxx>
To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Sent: Wednesday, August 27, 2003 11:51 PM
Subject: Re: FTP BIN on V5R2


>
> The only difference between binary and ASCII is whether or not the
> data is "changed to match local conventions" during transfer.   In
> binary mode, no changes are made the bytes are transmitted and received
> without modification.
>
> If ASCII works, it seems very unlikely that binary (which is much simpler)
> would have problems.
>
> Instead, I think this problem sounds like the standard NAT/firewall
> problem with FTP where the control session (since it's a standard TCP/IP
> client to server connection) works, but the data connections (being
> negotiated server to client sessions) fail.
>
> Is it possible that whomever told you of this problem is instead having
> success with passive mode and not with standard ("active") mode?  Or
> vice-versa?
>
> Or, does this person mean that he can see things like login prompts,
> response messages, etc, but cannot see things like directory listings
> or file downloads?
>
> That's all I can think of, anyway...
>
>
> On Wed, 27 Aug 2003 shannonjano@xxxxxxxxxxxxxxx wrote:
>
> > Has anyone experienced a problem with V5R2 and FTP?  Particuarly the use
of
> > the BINARY command?  We have a client who just went to V5R2 and can FTP
just
> > fine, apparently, in ASCII mode, but when attempting to use the BIN
command,
> > the FTP session just hangs.
> >
> > I'm getting this information second-hand so there may be something else
> > going on there that I haven't heard about...but this is what I know.
> >
> > Anyone seen anything like this yet?
> >
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