The algorithm(s) used for session encryption can be specified in the sshd2_config file:
Currently supported cipher names are the following:
Special values for this option are the following:
Any: includes all supported ciphers plus none.
AnyStd: includes ciphers from the IETF SSH standards and none. The standard ciphers are aes128-ctr, aes192-ctr, aes256-ctr, aes128-cbc, aes192-cbc, aes256-cbc, 3des-cbc, arcfour, blowfish-cbc, cast128-cbc, twofish128-cbc, twofish192-cbc, twofish256-cbc, twofish-cbc.
none: no encryption, connection will be in plaintext.
AnyCipher: allows any available cipher apart from the non-encrypting cipher mode none.
AnyStdCipher: the same as AnyStd, but excludes none.
The default ciphers are aes128-ctr, aes192-ctr, aes256-ctr, aes128-cbc, aes192-cbc, aes256-cbc and 3des-cbc.
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