On Tue, Nov 14, 2006 at 02:11:11PM +0100, Jan Danielsson wrote:
>    A long time ago (something like two years ago) I could use pscp to
> copy files to/from my university account. Suddenly, it stopped working.
> pscp asks for my password, I enter it, and then it just sets there..
> Doing nothing. Until I kill it manually. WinSCP works fine, though.

Two important things to try: run with verbose mode (-v) and tcpdump for
the stream. The former can help finding out which part of the connection
it is hanging in and the latter might point to strange TCP problems.

Candidates might be path MTU, SACK blocking etc.

Joerg