Changes to the sshd_config file that might require a migration action
Table 1 lists the changes to the sshd_config file that might require a migration action and the accompanying actions.
| What changed | Migration action needed? |
|---|---|
The RhostsAuthentication keyword Previously, this option was supported for protocol version 1. Now, this option is no longer supported for protocol version 1 on z/OS Unix. |
Yes, if you use RhostsAuthentication for protocol version 1 in your application. When setting it, the following message is returned: FOTS2374 filename line line_number: Deprecated option keyword” is returned. Action: Update your application. |
The ServerKeyBits keyword Previously, the default number of bits in the ephemeral protocol version 1 server key was 768. Now, the default number of bits in the ephemeral protocol version 1 server key is 1024. |
Yes, if you use the ephemeral protocol version 1 server key which is 768 bits. Action: Start the sshd daemon with specifying -b 768, if you want to use the old default. |