473
public key algorithm is used, you must specify this option for the client to get the correct local
certificate.
prefer-compress
: Specifies the preferred compression algorithm for data compression between the
server and the client. By default, compression is not supported.
zlib
: Specifies the compression algorithm
zlib
.
prefer-ctos-cipher
: Specifies the preferred client-to-server encryption algorithm. The default is
aes128-ctr
. Supported algorithms are
des-cbc
,
3des-cbc
,
aes128-cbc
,
aes128-ctr
,
aes128-gcm
,
aes192-ctr
,
aes256-cbc
,
aes256-ctr
, and
aes256-gcm
, in ascending order of security strength and
computation time.
•
3des-cbc
: Specifies the encryption algorithm
3des-cbc
.
•
aes128-cbc
: Specifies the encryption algorithm
aes128-cbc
.
•
aes128-ctr
: Specifies the encryption algorithm
aes128-ctr
.
•
aes128-gcm
: Specifies the encryption algorithm
aes128-gcm
.
•
aes192-ctr
: Specifies the encryption algorithm
aes192-ctr
.
•
aes256-cbc
: Specifies the encryption algorithm
aes256-cbc
.
•
aes256-ctr
: Specifies the encryption algorithm
aes256-ctr
.
•
aes256-gcm
: Specifies the encryption algorithm
aes256-gcm
.
•
des-cbc
: Specifies the encryption algorithm
des-cbc
.
prefer-ctos-hmac
: Specifies the preferred client-to-server HMAC algorithm. The default is
sha2-256
. Supported algorithms are
md5
,
md5-96
,
sha1
,
sha1-96
,
sha2-256
, and
sha2-512
,
in
ascending order of security strength and computation time.
•
md5
: Specifies the HMAC algorithm
hmac-md5
.
•
md5-96
: Specifies the HMAC algorithm
hmac-md5-96
.
•
sha1
: Specifies the HMAC algorithm
hmac-sha1
.
•
sha1-96
: Specifies the HMAC algorithm
hmac-sha1-96
.
•
sha2-256
: Specifies the HMAC algorithm
hmac-sha2-256
.
•
sha2-512
: Specifies the HMAC algorithm
hmac-sha2-512
.
prefer-kex
: Specifies the preferred key exchange algorithm. The default is
ecdh-sha2-nistp256
.
Supported algorithms are
dh-group-exchange-sha1
,
dh-group1-sha1
,
dh-group14-sha1
,
ecdh-sha2-nistp256
, and
ecdh-sha2-nistp384
,
in ascending order of security strength and
computation time.
•
dh-group-exchange-sha1
: Specifies the key exchange algorithm
diffie-hellman-group-exchange-sha1
.
•
dh-group1-sha1
: Specifies the key exchange algorithm
diffie-hellman-group1-sha1
.
•
dh-group14-sha1
: Specifies the key exchange algorithm
diffie-hellman-group14-sha1
.
•
ecdh-sha2-nistp256
: Specifies the key exchange algorithm
ecdh-sha2-nistp256
.
•
ecdh-sha2-nistp384
: Specifies the key exchange algorithm
ecdh-sha2-nistp384
.
prefer-stoc-cipher
: Specifies the preferred server-to-client encryption algorithm. The default is
aes128-ctr
. Supported algorithms are the same as the client-to-server encryption algorithms (see
the
prefer-ctos-cipher
keyword).
prefer-stoc-hmac
: Specifies the preferred server-to-client HMAC algorithm. The default is
sha2-256
. Supported algorithms are the same as the client-to-server HMAC algorithms (see the
prefer-ctos-hmac
keyword).
public-key keyname
: Specifies the server's host public key that the client uses to authenticate the
server. The
keyname
argument is a case-insensitive string of 1 to 64 characters.