[Info-vax] FTP VMS->VMS over net fails; something else-> VMS works

[Rich Alderson]

Joseph Huber <joseph.huber at NIRWANA.web.de> writes:

> Michael Moroney schrieb:

>> If I FTP from one VMS system to another over the internet, it doesn't
>> work, until I do a FTP> SET PASSIVE ON.  From either Unix or Windows
>> to the VMS system, it works as is, but 3 different VMS systems require the 
>> SET PASSIVE ON. This is almost certainly a NAT router issue, not a VMS 
>> issue, but what is VMS doing funky?

> Just the contrary: VMS (the TCPIP services for VMS server/client) is not 
> automatically switching to passive mode, your other systems apparently do.

I had to deal with this just this week on TOPS-20, setting up a downloadable
copy of Gorin's textbook on Macro-20 programming (Digital Press, 1981, with
updates):  Most Unix-style ftp clients now default to "enhanced/extended
passive mode", which TOPS-20 does not recognize at all.

-- 
Rich Alderson                  "You get what anybody gets. You get a lifetime."
news at alderson.users.panix.com                           --Death, of the Endless