I had no problem connecting to 6845 port. Can you try to connect with PuTTY?
Yep, SecureCRT connect to 6845 (and any other) sshd port.
Can you connect using any other SSH client?
sshd running on port 22 - work.
. 2010-01-02 05:19:11.531 Session name: xxx
. 2010-01-02 05:19:11.531 Host name: xxx (Port: 22)
. 2010-01-02 05:19:11.531 User name: xxx (Password: Yes, Key file: No)
. 2010-01-02 05:19:11.531 Tunnel: No
. 2010-01-02 05:19:11.531 Transfer Protocol: SCP
. skipped
. 2010-01-02 05:19:11.531 --------------------------------------------------------------------------
. 2010-01-02 05:19:11.531 Looking up host "xxx"
. 2010-01-02 05:19:11.531 Connecting to xxx port 22
. skipped
. 2010-01-02 05:19:19.843 Sent password
. 2010-01-02 05:19:19.906 Access granted
Set sshd Port = 6845, restart daemon
. 2010-01-02 05:23:36.656 Session name: xxx
. 2010-01-02 05:23:36.656 Host name: xxx (Port: 6845)
. 2010-01-02 05:23:36.656 User name: xxx (Password: Yes, Key file: No)
. 2010-01-02 05:23:36.656 Tunnel: No
. 2010-01-02 05:23:36.656 Transfer Protocol: SCP
. skipped
. 2010-01-02 05:23:36.656 --------------------------------------------------------------------------
. 2010-01-02 05:23:36.671 Looking up host "xxx"
. 2010-01-02 05:23:36.671 Connecting to xxx port 6845
. 2010-01-02 05:23:36.671 Failed to connect to xxx: Network error: Invalid argument
* 2010-01-02 05:23:36.687 (ESshFatal) Network error: Invalid argument