|
 |
4369a3 |
diff -up openssh-8.0p1/ssh_config.5.crypto-policies openssh-8.0p1/ssh_config.5
|
|
|
0d83e7 |
--- openssh-8.0p1/ssh_config.5.crypto-policies 2020-03-24 17:32:54.821789205 +0100
|
|
|
0d83e7 |
+++ openssh-8.0p1/ssh_config.5 2020-03-24 17:59:58.174122920 +0100
|
|
|
0d83e7 |
@@ -357,17 +357,17 @@ or
|
|
|
0d83e7 |
.Qq *.c.example.com
|
|
|
0d83e7 |
domains.
|
|
|
0d83e7 |
.It Cm CASignatureAlgorithms
|
|
|
0d83e7 |
+The default is handled system-wide by
|
|
|
0d83e7 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
0d83e7 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies which algorithms are allowed for signing of certificates
|
|
|
0d83e7 |
by certificate authorities (CAs).
|
|
|
0d83e7 |
-The default is:
|
|
|
0d83e7 |
-.Bd -literal -offset indent
|
|
|
0d83e7 |
-ecdsa-sha2-nistp256.ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
0d83e7 |
-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
|
|
|
0d83e7 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
.Xr ssh 1
|
|
|
0d83e7 |
will not accept host certificates signed using algorithms other than those
|
|
|
0d83e7 |
specified.
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
.It Cm CertificateFile
|
|
|
0d83e7 |
Specifies a file from which the user's certificate is read.
|
|
|
0d83e7 |
A corresponding private key must be provided separately in order
|
|
|
0d83e7 |
@@ -420,16 +420,21 @@ If the option is set to
|
|
|
0d83e7 |
.Cm no ,
|
|
|
0d83e7 |
the check will not be executed.
|
|
|
0d83e7 |
.It Cm Ciphers
|
|
|
0d83e7 |
+The default is handled system-wide by
|
|
|
0d83e7 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
0d83e7 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the ciphers allowed and their order of preference.
|
|
|
0d83e7 |
Multiple ciphers must be comma-separated.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified ciphers will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified ciphers will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq -
|
|
|
0d83e7 |
character, then the specified ciphers (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
0d83e7 |
.Pp
|
|
|
0d83e7 |
The supported ciphers are:
|
|
|
0d83e7 |
.Bd -literal -offset indent
|
|
|
0d83e7 |
@@ -445,13 +450,6 @@ aes256-gcm@openssh.com
|
|
|
4369a3 |
chacha20-poly1305@openssh.com
|
|
|
4369a3 |
.Ed
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is:
|
|
|
4369a3 |
-.Bd -literal -offset indent
|
|
|
4369a3 |
-chacha20-poly1305@openssh.com,
|
|
|
4369a3 |
-aes128-ctr,aes192-ctr,aes256-ctr,
|
|
|
4369a3 |
-aes128-gcm@openssh.com,aes256-gcm@openssh.com
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
The list of available ciphers may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q cipher .
|
|
|
0d83e7 |
.It Cm ClearAllForwardings
|
|
|
0d83e7 |
@@ -800,6 +798,11 @@ command line will be passed untouched to
|
|
|
0d83e7 |
The default is
|
|
|
0d83e7 |
.Dq no .
|
|
|
0d83e7 |
.It Cm GSSAPIKexAlgorithms
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
The list of key exchange algorithms that are offered for GSSAPI
|
|
|
0d83e7 |
key exchange. Possible values are
|
|
|
0d83e7 |
.Bd -literal -offset 3n
|
|
|
0d83e7 |
@@ -812,9 +815,8 @@ gss-nistp256-sha256-,
|
|
|
4369a3 |
gss-curve25519-sha256-
|
|
|
4369a3 |
.Ed
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is
|
|
|
0d83e7 |
-.Dq gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1- .
|
|
|
0d83e7 |
This option only applies to connections using GSSAPI.
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
.It Cm HashKnownHosts
|
|
|
0d83e7 |
Indicates that
|
|
|
0d83e7 |
.Xr ssh 1
|
|
|
0d83e7 |
@@ -1114,26 +1115,21 @@ it may be zero or more of:
|
|
|
0d83e7 |
and
|
|
|
0d83e7 |
.Cm pam .
|
|
|
0d83e7 |
.It Cm KexAlgorithms
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the available KEX (Key Exchange) algorithms.
|
|
|
0d83e7 |
Multiple algorithms must be comma-separated.
|
|
|
0d83e7 |
Alternately if the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified methods will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified methods will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
4369a3 |
.Sq -
|
|
|
4369a3 |
character, then the specified methods (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
4369a3 |
-The default is:
|
|
|
4369a3 |
-.Bd -literal -offset indent
|
|
|
4369a3 |
-curve25519-sha256,curve25519-sha256@libssh.org,
|
|
|
4369a3 |
-ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
|
|
|
4369a3 |
-diffie-hellman-group-exchange-sha256,
|
|
|
4369a3 |
-diffie-hellman-group16-sha512,
|
|
|
4369a3 |
-diffie-hellman-group18-sha512,
|
|
|
4369a3 |
-diffie-hellman-group14-sha256,
|
|
|
4369a3 |
-diffie-hellman-group14-sha1
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
0d83e7 |
.Pp
|
|
|
0d83e7 |
The list of available key exchange algorithms may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q kex .
|
|
|
0d83e7 |
@@ -1193,33 +1189,29 @@ The default is INFO.
|
|
|
0d83e7 |
DEBUG and DEBUG1 are equivalent.
|
|
|
0d83e7 |
DEBUG2 and DEBUG3 each specify higher levels of verbose output.
|
|
|
0d83e7 |
.It Cm MACs
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the MAC (message authentication code) algorithms
|
|
|
0d83e7 |
in order of preference.
|
|
|
0d83e7 |
The MAC algorithm is used for data integrity protection.
|
|
|
0d83e7 |
Multiple algorithms must be comma-separated.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified algorithms will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified algorithms will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq -
|
|
|
0d83e7 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
4369a3 |
.Pp
|
|
|
0d83e7 |
The algorithms that contain
|
|
|
0d83e7 |
.Qq -etm
|
|
|
4369a3 |
calculate the MAC after encryption (encrypt-then-mac).
|
|
|
4369a3 |
These are considered safer and their use recommended.
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is:
|
|
|
4369a3 |
-.Bd -literal -offset indent
|
|
|
4369a3 |
-umac-64-etm@openssh.com,umac-128-etm@openssh.com,
|
|
|
4369a3 |
-hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
|
|
|
4369a3 |
-hmac-sha1-etm@openssh.com,
|
|
|
4369a3 |
-umac-64@openssh.com,umac-128@openssh.com,
|
|
|
4369a3 |
-hmac-sha2-256,hmac-sha2-512,hmac-sha1
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
The list of available MAC algorithms may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q mac .
|
|
|
0d83e7 |
.It Cm NoHostAuthenticationForLocalhost
|
|
|
0d83e7 |
@@ -1352,27 +1344,21 @@ instead of continuing to execute and pas
|
|
|
0d83e7 |
The default is
|
|
|
0d83e7 |
.Cm no .
|
|
|
0d83e7 |
.It Cm PubkeyAcceptedKeyTypes
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the key types that will be used for public key authentication
|
|
|
0d83e7 |
as a comma-separated list of patterns.
|
|
|
0d83e7 |
Alternately if the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the key types after it will be appended to the default
|
|
|
0d83e7 |
+character, then the key types after it will be appended to the built-in default
|
|
|
0d83e7 |
instead of replacing it.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
4369a3 |
.Sq -
|
|
|
4369a3 |
character, then the specified key types (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
4369a3 |
-The default for this option is:
|
|
|
4369a3 |
-.Bd -literal -offset 3n
|
|
|
4369a3 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
4369a3 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
4369a3 |
-rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,
|
|
|
4369a3 |
-ssh-rsa-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
4369a3 |
-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
The list of available key types may also be obtained using
|
|
|
4369a3 |
.Qq ssh -Q key .
|
|
|
4369a3 |
diff -up openssh-8.0p1/sshd_config.5.crypto-policies openssh-8.0p1/sshd_config.5
|
|
|
0d83e7 |
--- openssh-8.0p1/sshd_config.5.crypto-policies 2020-03-24 17:32:54.802788908 +0100
|
|
|
0d83e7 |
+++ openssh-8.0p1/sshd_config.5 2020-03-24 17:54:13.347740176 +0100
|
|
|
0d83e7 |
@@ -383,16 +383,16 @@ If the argument is
|
|
|
0d83e7 |
then no banner is displayed.
|
|
|
0d83e7 |
By default, no banner is displayed.
|
|
|
0d83e7 |
.It Cm CASignatureAlgorithms
|
|
|
0d83e7 |
+The default is handled system-wide by
|
|
|
0d83e7 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
0d83e7 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies which algorithms are allowed for signing of certificates
|
|
|
0d83e7 |
by certificate authorities (CAs).
|
|
|
0d83e7 |
-The default is:
|
|
|
0d83e7 |
-.Bd -literal -offset indent
|
|
|
0d83e7 |
-ecdsa-sha2-nistp256.ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
0d83e7 |
-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
|
|
|
0d83e7 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
Certificates signed using other algorithms will not be accepted for
|
|
|
0d83e7 |
public key or host-based authentication.
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
.It Cm ChallengeResponseAuthentication
|
|
|
0d83e7 |
Specifies whether challenge-response authentication is allowed (e.g. via
|
|
|
0d83e7 |
PAM or through authentication styles supported in
|
|
|
0d83e7 |
@@ -454,16 +454,21 @@ The default is
|
|
|
0d83e7 |
indicating not to
|
|
|
0d83e7 |
.Xr chroot 2 .
|
|
|
0d83e7 |
.It Cm Ciphers
|
|
|
0d83e7 |
+The default is handled system-wide by
|
|
|
0d83e7 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
0d83e7 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the ciphers allowed.
|
|
|
0d83e7 |
Multiple ciphers must be comma-separated.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified ciphers will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified ciphers will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq -
|
|
|
0d83e7 |
character, then the specified ciphers (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
0d83e7 |
.Pp
|
|
|
0d83e7 |
The supported ciphers are:
|
|
|
0d83e7 |
.Pp
|
|
|
0d83e7 |
@@ -490,13 +495,6 @@ aes256-gcm@openssh.com
|
|
|
4369a3 |
chacha20-poly1305@openssh.com
|
|
|
4369a3 |
.El
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is:
|
|
|
4369a3 |
-.Bd -literal -offset indent
|
|
|
4369a3 |
-chacha20-poly1305@openssh.com,
|
|
|
4369a3 |
-aes128-ctr,aes192-ctr,aes256-ctr,
|
|
|
4369a3 |
-aes128-gcm@openssh.com,aes256-gcm@openssh.com
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
The list of available ciphers may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q cipher .
|
|
|
0d83e7 |
.It Cm ClientAliveCountMax
|
|
|
0d83e7 |
@@ -688,6 +686,11 @@ For this to work
|
|
|
0d83e7 |
.Cm GSSAPIKeyExchange
|
|
|
0d83e7 |
needs to be enabled in the server and also used by the client.
|
|
|
0d83e7 |
.It Cm GSSAPIKexAlgorithms
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
The list of key exchange algorithms that are accepted by GSSAPI
|
|
|
0d83e7 |
key exchange. Possible values are
|
|
|
0d83e7 |
.Bd -literal -offset 3n
|
|
|
0d83e7 |
@@ -700,8 +703,6 @@ gss-nistp256-sha256-,
|
|
|
4369a3 |
gss-curve25519-sha256-
|
|
|
4369a3 |
.Ed
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is
|
|
|
0d83e7 |
-.Dq gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1- .
|
|
|
0d83e7 |
This option only applies to connections using GSSAPI.
|
|
|
4369a3 |
.It Cm HostbasedAcceptedKeyTypes
|
|
|
4369a3 |
Specifies the key types that will be accepted for hostbased authentication
|
|
|
0d83e7 |
@@ -791,19 +791,13 @@ is specified, the location of the socket
|
|
|
0d83e7 |
.Ev SSH_AUTH_SOCK
|
|
|
0d83e7 |
environment variable.
|
|
|
4369a3 |
.It Cm HostKeyAlgorithms
|
|
|
0d83e7 |
+The default is handled system-wide by
|
|
|
0d83e7 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
0d83e7 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
4369a3 |
Specifies the host key algorithms
|
|
|
4369a3 |
that the server offers.
|
|
|
4369a3 |
-The default for this option is:
|
|
|
4369a3 |
-.Bd -literal -offset 3n
|
|
|
4369a3 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
4369a3 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
4369a3 |
-rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,
|
|
|
4369a3 |
-ssh-rsa-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
4369a3 |
-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
.Pp
|
|
|
0d83e7 |
The list of available key types may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q key .
|
|
|
0d83e7 |
@@ -922,16 +916,21 @@ Specifies whether to look at .k5login fi
|
|
|
0d83e7 |
The default is
|
|
|
0d83e7 |
.Cm yes .
|
|
|
0d83e7 |
.It Cm KexAlgorithms
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the available KEX (Key Exchange) algorithms.
|
|
|
0d83e7 |
Multiple algorithms must be comma-separated.
|
|
|
0d83e7 |
Alternately if the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified methods will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified methods will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq -
|
|
|
0d83e7 |
character, then the specified methods (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
0d83e7 |
The supported algorithms are:
|
|
|
4369a3 |
.Pp
|
|
|
0d83e7 |
.Bl -item -compact -offset indent
|
|
|
0d83e7 |
@@ -961,15 +960,6 @@ ecdh-sha2-nistp384
|
|
|
4369a3 |
ecdh-sha2-nistp521
|
|
|
4369a3 |
.El
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is:
|
|
|
4369a3 |
-.Bd -literal -offset indent
|
|
|
4369a3 |
-curve25519-sha256,curve25519-sha256@libssh.org,
|
|
|
4369a3 |
-ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
|
|
|
4369a3 |
-diffie-hellman-group-exchange-sha256,
|
|
|
4369a3 |
-diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,
|
|
|
4369a3 |
-diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
The list of available key exchange algorithms may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q kex .
|
|
|
0d83e7 |
.It Cm ListenAddress
|
|
|
0d83e7 |
@@ -1038,17 +1028,22 @@ DEBUG and DEBUG1 are equivalent.
|
|
|
0d83e7 |
DEBUG2 and DEBUG3 each specify higher levels of debugging output.
|
|
|
0d83e7 |
Logging with a DEBUG level violates the privacy of users and is not recommended.
|
|
|
0d83e7 |
.It Cm MACs
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the available MAC (message authentication code) algorithms.
|
|
|
0d83e7 |
The MAC algorithm is used for data integrity protection.
|
|
|
0d83e7 |
Multiple algorithms must be comma-separated.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified algorithms will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified algorithms will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
0d83e7 |
.Sq -
|
|
|
0d83e7 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
4369a3 |
.Pp
|
|
|
0d83e7 |
The algorithms that contain
|
|
|
0d83e7 |
.Qq -etm
|
|
|
0d83e7 |
@@ -1091,15 +1086,6 @@ umac-64-etm@openssh.com
|
|
|
4369a3 |
umac-128-etm@openssh.com
|
|
|
4369a3 |
.El
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
-The default is:
|
|
|
4369a3 |
-.Bd -literal -offset indent
|
|
|
4369a3 |
-umac-64-etm@openssh.com,umac-128-etm@openssh.com,
|
|
|
4369a3 |
-hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
|
|
|
4369a3 |
-hmac-sha1-etm@openssh.com,
|
|
|
4369a3 |
-umac-64@openssh.com,umac-128@openssh.com,
|
|
|
4369a3 |
-hmac-sha2-256,hmac-sha2-512,hmac-sha1
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
-.Pp
|
|
|
0d83e7 |
The list of available MAC algorithms may also be obtained using
|
|
|
0d83e7 |
.Qq ssh -Q mac .
|
|
|
0d83e7 |
.It Cm Match
|
|
|
0d83e7 |
@@ -1446,27 +1432,21 @@ or equivalent.)
|
|
|
0d83e7 |
The default is
|
|
|
0d83e7 |
.Cm yes .
|
|
|
0d83e7 |
.It Cm PubkeyAcceptedKeyTypes
|
|
|
4369a3 |
+The default is handled system-wide by
|
|
|
4369a3 |
+.Xr crypto-policies 7 .
|
|
|
0d83e7 |
+To see the current defaults and how to modify them, see manual page
|
|
|
4369a3 |
+.Xr update-crypto-policies 8 .
|
|
|
0d83e7 |
+.Pp
|
|
|
0d83e7 |
Specifies the key types that will be accepted for public key authentication
|
|
|
0d83e7 |
as a list of comma-separated patterns.
|
|
|
0d83e7 |
Alternately if the specified value begins with a
|
|
|
0d83e7 |
.Sq +
|
|
|
0d83e7 |
-character, then the specified key types will be appended to the default set
|
|
|
0d83e7 |
+character, then the specified key types will be appended to the built-in default set
|
|
|
0d83e7 |
instead of replacing them.
|
|
|
0d83e7 |
If the specified value begins with a
|
|
|
4369a3 |
.Sq -
|
|
|
4369a3 |
character, then the specified key types (including wildcards) will be removed
|
|
|
0d83e7 |
-from the default set instead of replacing them.
|
|
|
4369a3 |
-The default for this option is:
|
|
|
4369a3 |
-.Bd -literal -offset 3n
|
|
|
4369a3 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
4369a3 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
4369a3 |
-rsa-sha2-512-cert-v01@openssh.com,rsa-sha2-256-cert-v01@openssh.com,
|
|
|
4369a3 |
-ssh-rsa-cert-v01@openssh.com,
|
|
|
4369a3 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
4369a3 |
-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
|
|
|
4369a3 |
-.Ed
|
|
|
0d83e7 |
+from the built-in default set instead of replacing them.
|
|
|
4369a3 |
.Pp
|
|
|
4369a3 |
The list of available key types may also be obtained using
|
|
|
4369a3 |
.Qq ssh -Q key .
|