Symptom
Openssh client with HPN-SSH patch doesn't work with CTR cipher, connection cannot be established with our box with HPN SSH while using the CTR cipher.
Conditions
HPN SSH client with CTR mode. We will not be able to spawn connection to the box.
Further Problem Description
This is due to the hack in HPN client to rekey immediately after the auth. In the interactive shell we are not aware of rekey so we made it aware.This is due the hack in HPN SSH code to decide to rekey immediately after the authentication that too seen only with CTR cipher.