PuTTY bug ssh.com-userauth-refused

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summary: Breakage when compression enabled with ssh.com 3.2.0 server
class: bug: This is clearly an actual problem we want fixed.
present-in: 2002-07-02 2002-08-04
fixed-in: 2002-08-09 e8ab51144271847f7cc6a722e35c28e35587eff5 0.53

We've received reports of the message "Server refused user authentication protocol" when attempting to connect to an ssh.com server (version string "SSH-2.0-3.2.0 SSH Secure Shell (non-commercial)") with compression enabled. Connection is fine when compression is disabled.

In the code, this message corresponds to not receiving the right response to a "ssh-userauth" service request in SSH-2.

We've also heard of problems with port-forwarding with compression enabled.

Update: We believe that the bug in talking to ssh.com 3.2 with compression enabled has been fixed as of 2002-08-09. We've had one confirmation.

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Audit trail for this bug.
(last revision of this bug record was at 2016-12-27 11:40:22 +0000)