CP R77.30 SSH Support for weak encryption algorithms

[Wang]

• How to disable CP weak encryption algorithm?

  Is there anyone who can help me?

[Vladimir]

Please read the bottom portion of this: Gaia Portal cannot load showing ERR_SSL_VERSION_OR_CIPHER_MISMATCH error in the browser 

There are options listed there to adjust crypto suites.

[Martin_Valenta]

Yeah, that's for SSL and not for SSH..SSH encryption is set within sshd config, in same way like it is on linux machines like encryption - SSH: How to disable weak ciphers? - Unix & Linux Stack Exchange 

[G_W_Albrecht]

Have a look: sk106031: How to change SSH encryption protocols and Message Authentication Code setting