In article <pine.bsf.4.03.9905271100280.16577-100...@resnet.uoregon.edu>,
Doug White  <dwh...@resnet.uoregon.edu> wrote:

> I second the suggestion to 'autoprobe' PASV support, and revert to active
> mode (w/ an appropriate msg) if PASV is refused.

That won't be a good solution in practice.  When passive mode doesn't
work, it's almost always because a firewall on the server side is
blocking the incoming data connection.  The client doesn't see a
refusal; its connect() call just times out.  The trouble is, the
timeout takes a long time (on the order of a minute or more).

John
-- 
  John Polstra                                               j...@polstra.com
  John D. Polstra & Co., Inc.                        Seattle, Washington USA
  "Self-interest is the aphrodisiac of belief."           -- James V. DeLong


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