configuration problem: ssh working but not sftp

[Charles D. Russell]

Why does ssh work but not sftp?   What is wrong with my configuration?
sftp works OK in the other direction, from sony06 to dell03.

cdr@dell03 ~/cygarc
$ sftp sony06
Connecting to sony06...
Received message too long 1920298606

cdr@dell03 ~/cygarc
$ ssh sony06
Last login: Wed Sep 26 20:05:06 2007 from dell03
Fanfare!!!
You are successfully logged in to this server!!!

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