|
 |
2b67ec4 |
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-9.3p1/ssh_config.5 openssh-9.3p1-patched/ssh_config.5
|
|
|
2b67ec4 |
--- openssh-9.3p1/ssh_config.5 2023-06-07 10:26:48.284590156 +0200
|
|
|
2b67ec4 |
+++ openssh-9.3p1-patched/ssh_config.5 2023-06-07 10:26:00.623052194 +0200
|
|
|
2b67ec4 |
@@ -378,17 +378,13 @@
|
|
 |
7b76af5 |
causes no CNAMEs to be considered for canonicalization.
|
|
|
7b76af5 |
This is the default behaviour.
|
|
 |
51f5c1c |
.It Cm CASignatureAlgorithms
|
|
|
a848054 |
+The default is handled system-wide by
|
|
|
a848054 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
a848054 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
51f5c1c |
Specifies which algorithms are allowed for signing of certificates
|
|
|
51f5c1c |
by certificate authorities (CAs).
|
|
|
51f5c1c |
-The default is:
|
|
|
51f5c1c |
-.Bd -literal -offset indent
|
|
|
8f4d190 |
-ssh-ed25519,ecdsa-sha2-nistp256,
|
|
|
8f4d190 |
-ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
8f4d190 |
-sk-ssh-ed25519@openssh.com,
|
|
|
8f4d190 |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
f32b842 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
51f5c1c |
-.Ed
|
|
|
51f5c1c |
-.Pp
|
|
|
8f4d190 |
If the specified list begins with a
|
|
|
8f4d190 |
.Sq +
|
|
|
8f4d190 |
character, then the specified algorithms will be appended to the default set
|
|
|
2b67ec4 |
@@ -450,20 +446,25 @@
|
|
|
25c16c6 |
(the default),
|
|
|
a848054 |
the check will not be executed.
|
|
|
a848054 |
.It Cm Ciphers
|
|
|
51f5c1c |
+The default is handled system-wide by
|
|
|
51f5c1c |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
51f5c1c |
+.Xr update-crypto-policies 8 .
|
|
|
51f5c1c |
+.Pp
|
|
|
a848054 |
Specifies the ciphers allowed and their order of preference.
|
|
|
a848054 |
Multiple ciphers must be comma-separated.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
a848054 |
-character, then the specified ciphers will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
9c88962 |
+character, then the specified ciphers will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
a848054 |
character, then the specified ciphers (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq ^
|
|
|
a848054 |
character, then the specified ciphers will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
a848054 |
.Pp
|
|
|
a848054 |
The supported ciphers are:
|
|
|
a848054 |
.Bd -literal -offset indent
|
|
|
2b67ec4 |
@@ -479,13 +480,6 @@
|
|
|
6caa973 |
chacha20-poly1305@openssh.com
|
|
|
6caa973 |
.Ed
|
|
|
6caa973 |
.Pp
|
|
|
6caa973 |
-The default is:
|
|
|
6caa973 |
-.Bd -literal -offset indent
|
|
|
6caa973 |
-chacha20-poly1305@openssh.com,
|
|
|
6caa973 |
-aes128-ctr,aes192-ctr,aes256-ctr,
|
|
|
6caa973 |
-aes128-gcm@openssh.com,aes256-gcm@openssh.com
|
|
|
6caa973 |
-.Ed
|
|
|
a848054 |
-.Pp
|
|
|
a848054 |
The list of available ciphers may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q cipher .
|
|
|
a848054 |
.It Cm ClearAllForwardings
|
|
|
2b67ec4 |
@@ -885,6 +879,11 @@
|
|
|
a848054 |
The default is
|
|
|
a848054 |
.Dq no .
|
|
|
a848054 |
.It Cm GSSAPIKexAlgorithms
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
The list of key exchange algorithms that are offered for GSSAPI
|
|
|
a848054 |
key exchange. Possible values are
|
|
|
a848054 |
.Bd -literal -offset 3n
|
|
|
2b67ec4 |
@@ -897,10 +896,8 @@
|
|
|
6caa973 |
gss-curve25519-sha256-
|
|
|
6caa973 |
.Ed
|
|
|
6caa973 |
.Pp
|
|
|
6caa973 |
-The default is
|
|
|
1cc7c87 |
-.Dq gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,
|
|
|
1cc7c87 |
-gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1- .
|
|
|
a848054 |
This option only applies to connections using GSSAPI.
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
.It Cm HashKnownHosts
|
|
|
a848054 |
Indicates that
|
|
|
a848054 |
.Xr ssh 1
|
|
|
2b67ec4 |
@@ -919,36 +916,25 @@
|
|
 |
42b22d9 |
but may be manually hashed using
|
|
|
42b22d9 |
.Xr ssh-keygen 1 .
|
|
|
42b22d9 |
.It Cm HostbasedAcceptedAlgorithms
|
|
|
42b22d9 |
+The default is handled system-wide by
|
|
|
42b22d9 |
+.Xr crypto-policies 7 .
|
|
|
42b22d9 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
42b22d9 |
+.Xr update-crypto-policies 8 .
|
|
|
42b22d9 |
+.Pp
|
|
|
42b22d9 |
Specifies the signature algorithms that will be used for hostbased
|
|
|
42b22d9 |
authentication as a comma-separated list of patterns.
|
|
|
42b22d9 |
Alternately if the specified list begins with a
|
|
|
42b22d9 |
.Sq +
|
|
|
42b22d9 |
character, then the specified signature algorithms will be appended
|
|
|
42b22d9 |
-to the default set instead of replacing them.
|
|
|
42b22d9 |
+to the built-in openssh default set instead of replacing them.
|
|
|
42b22d9 |
If the specified list begins with a
|
|
|
42b22d9 |
.Sq -
|
|
|
42b22d9 |
character, then the specified signature algorithms (including wildcards)
|
|
|
42b22d9 |
-will be removed from the default set instead of replacing them.
|
|
|
42b22d9 |
+will be removed from the built-in openssh default set instead of replacing them.
|
|
|
42b22d9 |
If the specified list begins with a
|
|
|
42b22d9 |
.Sq ^
|
|
|
42b22d9 |
character, then the specified signature algorithms will be placed
|
|
|
42b22d9 |
-at the head of the default set.
|
|
|
42b22d9 |
-The default for this option is:
|
|
|
42b22d9 |
-.Bd -literal -offset 3n
|
|
|
42b22d9 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
42b22d9 |
-sk-ssh-ed25519-cert-v01@openssh.com,
|
|
|
42b22d9 |
-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
42b22d9 |
-rsa-sha2-512-cert-v01@openssh.com,
|
|
|
42b22d9 |
-rsa-sha2-256-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ssh-ed25519,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
42b22d9 |
-sk-ssh-ed25519@openssh.com,
|
|
|
42b22d9 |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
42b22d9 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
42b22d9 |
-.Ed
|
|
|
42b22d9 |
+at the head of the built-in openssh default set.
|
|
|
42b22d9 |
.Pp
|
|
|
42b22d9 |
The
|
|
|
42b22d9 |
.Fl Q
|
|
|
2b67ec4 |
@@ -1001,6 +987,17 @@
|
|
|
2b67ec4 |
.Pp
|
|
|
2b67ec4 |
The list of available signature algorithms may also be obtained using
|
|
|
2b67ec4 |
.Qq ssh -Q HostKeyAlgorithms .
|
|
|
2b67ec4 |
+.Pp
|
|
|
2b67ec4 |
+The proposed
|
|
|
2b67ec4 |
+.Cm HostKeyAlgorithms
|
|
|
2b67ec4 |
+during KEX are limited to the set of algorithms that is defined in
|
|
|
2b67ec4 |
+.Cm PubkeyAcceptedAlgorithms
|
|
|
2b67ec4 |
+and therefore they are indirectly affected by system-wide
|
|
|
2b67ec4 |
+.Xr crypto_policies 7 .
|
|
|
2b67ec4 |
+.Xr crypto_policies 7 can not handle the list of host key algorithms directly as doing so
|
|
|
2b67ec4 |
+would break the order given by the
|
|
|
2b67ec4 |
+.Pa known_hosts
|
|
|
2b67ec4 |
+file.
|
|
|
2b67ec4 |
.It Cm HostKeyAlias
|
|
|
2b67ec4 |
Specifies an alias that should be used instead of the
|
|
|
2b67ec4 |
real host name when looking up or saving the host key
|
|
|
2b67ec4 |
@@ -1232,30 +1229,25 @@
|
|
|
a848054 |
and
|
|
|
a848054 |
.Cm pam .
|
|
|
a848054 |
.It Cm KexAlgorithms
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
Specifies the available KEX (Key Exchange) algorithms.
|
|
|
a848054 |
Multiple algorithms must be comma-separated.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
7b76af5 |
-character, then the specified algorithms will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
9fd6981 |
+character, then the specified methods will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
7b76af5 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
36fef56 |
.Sq ^
|
|
|
7b76af5 |
character, then the specified algorithms will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
6caa973 |
-The default is:
|
|
|
6caa973 |
-.Bd -literal -offset indent
|
|
|
03150f6 |
-sntrup761x25519-sha512@openssh.com,
|
|
|
6caa973 |
-curve25519-sha256,curve25519-sha256@libssh.org,
|
|
|
6caa973 |
-ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
|
|
|
6caa973 |
-diffie-hellman-group-exchange-sha256,
|
|
|
6caa973 |
-diffie-hellman-group16-sha512,
|
|
|
6caa973 |
-diffie-hellman-group18-sha512,
|
|
|
51f5c1c |
-diffie-hellman-group14-sha256
|
|
|
6caa973 |
-.Ed
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
a848054 |
.Pp
|
|
|
a848054 |
The list of available key exchange algorithms may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q kex .
|
|
|
2b67ec4 |
@@ -1365,37 +1357,33 @@
|
|
|
25c16c6 |
file.
|
|
|
25c16c6 |
This option is intended for debugging and no overrides are enabled by default.
|
|
|
a848054 |
.It Cm MACs
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
Specifies the MAC (message authentication code) algorithms
|
|
|
a848054 |
in order of preference.
|
|
|
a848054 |
The MAC algorithm is used for data integrity protection.
|
|
|
a848054 |
Multiple algorithms must be comma-separated.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
a848054 |
-character, then the specified algorithms will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
9c88962 |
+character, then the specified algorithms will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
a848054 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq ^
|
|
|
a848054 |
character, then the specified algorithms will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
6caa973 |
.Pp
|
|
|
a848054 |
The algorithms that contain
|
|
|
a848054 |
.Qq -etm
|
|
|
6caa973 |
calculate the MAC after encryption (encrypt-then-mac).
|
|
|
6caa973 |
These are considered safer and their use recommended.
|
|
|
6caa973 |
.Pp
|
|
|
6caa973 |
-The default is:
|
|
|
6caa973 |
-.Bd -literal -offset indent
|
|
|
6caa973 |
-umac-64-etm@openssh.com,umac-128-etm@openssh.com,
|
|
|
6caa973 |
-hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
|
|
|
6caa973 |
-hmac-sha1-etm@openssh.com,
|
|
|
6caa973 |
-umac-64@openssh.com,umac-128@openssh.com,
|
|
|
6caa973 |
-hmac-sha2-256,hmac-sha2-512,hmac-sha1
|
|
|
6caa973 |
-.Ed
|
|
|
a848054 |
-.Pp
|
|
|
a848054 |
The list of available MAC algorithms may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q mac .
|
|
|
a848054 |
.It Cm NoHostAuthenticationForLocalhost
|
|
|
2b67ec4 |
@@ -1567,39 +1555,31 @@
|
|
|
a848054 |
The default is
|
|
|
a848054 |
.Cm no .
|
|
|
25c16c6 |
.It Cm PubkeyAcceptedAlgorithms
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
25c16c6 |
Specifies the signature algorithms that will be used for public key
|
|
|
25c16c6 |
authentication as a comma-separated list of patterns.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
25c16c6 |
-character, then the algorithms after it will be appended to the default
|
|
|
9c88962 |
-instead of replacing it.
|
|
|
25c16c6 |
+character, then the algorithms after it will be appended to the built-in
|
|
|
9c88962 |
+openssh default instead of replacing it.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
25c16c6 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
36fef56 |
.Sq ^
|
|
|
25c16c6 |
character, then the specified algorithms will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
6caa973 |
-The default for this option is:
|
|
|
6caa973 |
-.Bd -literal -offset 3n
|
|
|
25c16c6 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
51f5c1c |
-sk-ssh-ed25519-cert-v01@openssh.com,
|
|
|
25c16c6 |
-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
51f5c1c |
-rsa-sha2-512-cert-v01@openssh.com,
|
|
|
51f5c1c |
-rsa-sha2-256-cert-v01@openssh.com,
|
|
|
25c16c6 |
-ssh-ed25519,
|
|
|
6caa973 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
25c16c6 |
-sk-ssh-ed25519@openssh.com,
|
|
|
51f5c1c |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
7b76af5 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
6caa973 |
-.Ed
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
6caa973 |
.Pp
|
|
|
25c16c6 |
The list of available signature algorithms may also be obtained using
|
|
|
25c16c6 |
.Qq ssh -Q PubkeyAcceptedAlgorithms .
|
|
|
2b67ec4 |
+.Pp
|
|
|
2b67ec4 |
+This option affects also
|
|
|
2b67ec4 |
+.Cm HostKeyAlgorithms
|
|
|
2b67ec4 |
.It Cm PubkeyAuthentication
|
|
|
2b67ec4 |
Specifies whether to try public key authentication.
|
|
|
2b67ec4 |
The argument to this keyword must be
|
|
|
2b67ec4 |
@@ -2265,7 +2245,9 @@
|
|
|
42b22d9 |
This file must be world-readable.
|
|
|
42b22d9 |
.El
|
|
|
42b22d9 |
.Sh SEE ALSO
|
|
|
42b22d9 |
-.Xr ssh 1
|
|
|
42b22d9 |
+.Xr ssh 1 ,
|
|
|
42b22d9 |
+.Xr crypto-policies 7 ,
|
|
|
42b22d9 |
+.Xr update-crypto-policies 8
|
|
|
42b22d9 |
.Sh AUTHORS
|
|
|
42b22d9 |
.An -nosplit
|
|
|
42b22d9 |
OpenSSH is a derivative of the original and free
|
|
|
2b67ec4 |
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-9.3p1/sshd_config.5 openssh-9.3p1-patched/sshd_config.5
|
|
|
2b67ec4 |
--- openssh-9.3p1/sshd_config.5 2023-06-07 10:26:48.277590077 +0200
|
|
|
2b67ec4 |
+++ openssh-9.3p1-patched/sshd_config.5 2023-06-07 10:26:00.592051845 +0200
|
|
|
2b67ec4 |
@@ -379,17 +379,13 @@
|
|
|
a848054 |
then no banner is displayed.
|
|
|
a848054 |
By default, no banner is displayed.
|
|
|
51f5c1c |
.It Cm CASignatureAlgorithms
|
|
|
a848054 |
+The default is handled system-wide by
|
|
|
a848054 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
a848054 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
51f5c1c |
Specifies which algorithms are allowed for signing of certificates
|
|
|
51f5c1c |
by certificate authorities (CAs).
|
|
|
51f5c1c |
-The default is:
|
|
|
51f5c1c |
-.Bd -literal -offset indent
|
|
|
8f4d190 |
-ssh-ed25519,ecdsa-sha2-nistp256,
|
|
|
8f4d190 |
-ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
8f4d190 |
-sk-ssh-ed25519@openssh.com,
|
|
|
8f4d190 |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
f32b842 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
51f5c1c |
-.Ed
|
|
|
51f5c1c |
-.Pp
|
|
|
8f4d190 |
If the specified list begins with a
|
|
|
8f4d190 |
.Sq +
|
|
|
8f4d190 |
character, then the specified algorithms will be appended to the default set
|
|
|
2b67ec4 |
@@ -525,20 +521,25 @@
|
|
|
a848054 |
indicating not to
|
|
|
a848054 |
.Xr chroot 2 .
|
|
|
a848054 |
.It Cm Ciphers
|
|
|
51f5c1c |
+The default is handled system-wide by
|
|
|
51f5c1c |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
51f5c1c |
+.Xr update-crypto-policies 8 .
|
|
|
51f5c1c |
+.Pp
|
|
|
a848054 |
Specifies the ciphers allowed.
|
|
|
a848054 |
Multiple ciphers must be comma-separated.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
a848054 |
-character, then the specified ciphers will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
9c88962 |
+character, then the specified ciphers will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
a848054 |
character, then the specified ciphers (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq ^
|
|
|
a848054 |
character, then the specified ciphers will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
a848054 |
.Pp
|
|
|
a848054 |
The supported ciphers are:
|
|
|
a848054 |
.Pp
|
|
|
2b67ec4 |
@@ -565,13 +566,6 @@
|
|
|
6caa973 |
chacha20-poly1305@openssh.com
|
|
|
6caa973 |
.El
|
|
|
6caa973 |
.Pp
|
|
|
6caa973 |
-The default is:
|
|
|
6caa973 |
-.Bd -literal -offset indent
|
|
|
6caa973 |
-chacha20-poly1305@openssh.com,
|
|
|
6caa973 |
-aes128-ctr,aes192-ctr,aes256-ctr,
|
|
|
6caa973 |
-aes128-gcm@openssh.com,aes256-gcm@openssh.com
|
|
|
6caa973 |
-.Ed
|
|
|
a848054 |
-.Pp
|
|
|
a848054 |
The list of available ciphers may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q cipher .
|
|
|
a848054 |
.It Cm ClientAliveCountMax
|
|
|
2b67ec4 |
@@ -766,53 +760,43 @@
|
|
|
a848054 |
.Cm GSSAPIKeyExchange
|
|
|
a848054 |
needs to be enabled in the server and also used by the client.
|
|
|
a848054 |
.It Cm GSSAPIKexAlgorithms
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
The list of key exchange algorithms that are accepted by GSSAPI
|
|
|
a848054 |
key exchange. Possible values are
|
|
|
a848054 |
.Bd -literal -offset 3n
|
|
|
a848054 |
-gss-gex-sha1-,
|
|
|
a848054 |
-gss-group1-sha1-,
|
|
|
a848054 |
-gss-group14-sha1-,
|
|
|
a848054 |
-gss-group14-sha256-,
|
|
|
a848054 |
-gss-group16-sha512-,
|
|
|
a848054 |
-gss-nistp256-sha256-,
|
|
|
a848054 |
+gss-gex-sha1-
|
|
|
a848054 |
+gss-group1-sha1-
|
|
|
a848054 |
+gss-group14-sha1-
|
|
|
a848054 |
+gss-group14-sha256-
|
|
|
a848054 |
+gss-group16-sha512-
|
|
|
a848054 |
+gss-nistp256-sha256-
|
|
|
6caa973 |
gss-curve25519-sha256-
|
|
|
6caa973 |
.Ed
|
|
|
a848054 |
-.Pp
|
|
|
6caa973 |
-The default is
|
|
|
1cc7c87 |
-.Dq gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,
|
|
|
1cc7c87 |
-gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1- .
|
|
|
1cc7c87 |
This option only applies to connections using GSSAPI.
|
|
|
25c16c6 |
.It Cm HostbasedAcceptedAlgorithms
|
|
|
42b22d9 |
+The default is handled system-wide by
|
|
|
42b22d9 |
+.Xr crypto-policies 7 .
|
|
|
42b22d9 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
42b22d9 |
+.Xr update-crypto-policies 8 .
|
|
|
42b22d9 |
+.Pp
|
|
|
25c16c6 |
Specifies the signature algorithms that will be accepted for hostbased
|
|
|
42b22d9 |
authentication as a list of comma-separated patterns.
|
|
|
42b22d9 |
Alternately if the specified list begins with a
|
|
|
42b22d9 |
.Sq +
|
|
|
42b22d9 |
character, then the specified signature algorithms will be appended to
|
|
|
42b22d9 |
-the default set instead of replacing them.
|
|
|
42b22d9 |
+the built-in openssh default set instead of replacing them.
|
|
|
42b22d9 |
If the specified list begins with a
|
|
|
42b22d9 |
.Sq -
|
|
|
42b22d9 |
character, then the specified signature algorithms (including wildcards)
|
|
|
42b22d9 |
-will be removed from the default set instead of replacing them.
|
|
|
42b22d9 |
+will be removed from the built-in openssh default set instead of replacing them.
|
|
|
42b22d9 |
If the specified list begins with a
|
|
|
42b22d9 |
.Sq ^
|
|
|
42b22d9 |
character, then the specified signature algorithms will be placed at
|
|
|
42b22d9 |
-the head of the default set.
|
|
|
42b22d9 |
-The default for this option is:
|
|
|
42b22d9 |
-.Bd -literal -offset 3n
|
|
|
42b22d9 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
42b22d9 |
-sk-ssh-ed25519-cert-v01@openssh.com,
|
|
|
42b22d9 |
-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
42b22d9 |
-rsa-sha2-512-cert-v01@openssh.com,
|
|
|
42b22d9 |
-rsa-sha2-256-cert-v01@openssh.com,
|
|
|
42b22d9 |
-ssh-ed25519,
|
|
|
42b22d9 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
42b22d9 |
-sk-ssh-ed25519@openssh.com,
|
|
|
42b22d9 |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
42b22d9 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
42b22d9 |
-.Ed
|
|
|
42b22d9 |
+the head of the built-in openssh default set.
|
|
|
42b22d9 |
.Pp
|
|
|
42b22d9 |
The list of available signature algorithms may also be obtained using
|
|
|
42b22d9 |
.Qq ssh -Q HostbasedAcceptedAlgorithms .
|
|
|
2b67ec4 |
@@ -879,25 +863,14 @@
|
|
|
a848054 |
.Ev SSH_AUTH_SOCK
|
|
|
a848054 |
environment variable.
|
|
|
6caa973 |
.It Cm HostKeyAlgorithms
|
|
|
a848054 |
+The default is handled system-wide by
|
|
|
a848054 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
a848054 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
25c16c6 |
Specifies the host key signature algorithms
|
|
|
6caa973 |
that the server offers.
|
|
|
03150f6 |
The default for this option is:
|
|
|
6caa973 |
-.Bd -literal -offset 3n
|
|
|
25c16c6 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
51f5c1c |
-sk-ssh-ed25519-cert-v01@openssh.com,
|
|
|
25c16c6 |
-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
51f5c1c |
-rsa-sha2-512-cert-v01@openssh.com,
|
|
|
51f5c1c |
-rsa-sha2-256-cert-v01@openssh.com,
|
|
|
25c16c6 |
-ssh-ed25519,
|
|
|
6caa973 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
25c16c6 |
-sk-ssh-ed25519@openssh.com,
|
|
|
51f5c1c |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
03150f6 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
6caa973 |
-.Ed
|
|
|
a848054 |
-.Pp
|
|
|
25c16c6 |
The list of available signature algorithms may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q HostKeyAlgorithms .
|
|
|
a848054 |
.It Cm IgnoreRhosts
|
|
|
2b67ec4 |
@@ -1044,20 +1017,25 @@
|
|
|
a848054 |
The default is
|
|
|
a848054 |
.Cm yes .
|
|
|
a848054 |
.It Cm KexAlgorithms
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
Specifies the available KEX (Key Exchange) algorithms.
|
|
|
a848054 |
Multiple algorithms must be comma-separated.
|
|
|
a848054 |
Alternately if the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
7b76af5 |
-character, then the specified algorithms will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
9fd6981 |
+character, then the specified methods will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
7b76af5 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq ^
|
|
|
7b76af5 |
character, then the specified algorithms will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
a848054 |
The supported algorithms are:
|
|
|
6caa973 |
.Pp
|
|
|
a848054 |
.Bl -item -compact -offset indent
|
|
|
2b67ec4 |
@@ -1089,16 +1067,6 @@
|
|
|
25c16c6 |
sntrup761x25519-sha512@openssh.com
|
|
|
6caa973 |
.El
|
|
|
6caa973 |
.Pp
|
|
|
6caa973 |
-The default is:
|
|
|
6caa973 |
-.Bd -literal -offset indent
|
|
|
03150f6 |
-sntrup761x25519-sha512@openssh.com,
|
|
|
6caa973 |
-curve25519-sha256,curve25519-sha256@libssh.org,
|
|
|
6caa973 |
-ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
|
|
|
6caa973 |
-diffie-hellman-group-exchange-sha256,
|
|
|
6caa973 |
-diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,
|
|
|
51f5c1c |
-diffie-hellman-group14-sha256
|
|
|
6caa973 |
-.Ed
|
|
|
a848054 |
-.Pp
|
|
|
a848054 |
The list of available key exchange algorithms may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q KexAlgorithms .
|
|
|
a848054 |
.It Cm ListenAddress
|
|
|
2b67ec4 |
@@ -1184,21 +1152,26 @@
|
|
|
25c16c6 |
file.
|
|
|
25c16c6 |
This option is intended for debugging and no overrides are enabled by default.
|
|
|
a848054 |
.It Cm MACs
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
a848054 |
Specifies the available MAC (message authentication code) algorithms.
|
|
|
a848054 |
The MAC algorithm is used for data integrity protection.
|
|
|
a848054 |
Multiple algorithms must be comma-separated.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
a848054 |
-character, then the specified algorithms will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
9c88962 |
+character, then the specified algorithms will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
a848054 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq ^
|
|
|
a848054 |
character, then the specified algorithms will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
6caa973 |
.Pp
|
|
|
a848054 |
The algorithms that contain
|
|
|
a848054 |
.Qq -etm
|
|
|
2b67ec4 |
@@ -1241,15 +1214,6 @@
|
|
|
6caa973 |
umac-128-etm@openssh.com
|
|
|
6caa973 |
.El
|
|
|
6caa973 |
.Pp
|
|
|
6caa973 |
-The default is:
|
|
|
6caa973 |
-.Bd -literal -offset indent
|
|
|
6caa973 |
-umac-64-etm@openssh.com,umac-128-etm@openssh.com,
|
|
|
6caa973 |
-hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
|
|
|
6caa973 |
-hmac-sha1-etm@openssh.com,
|
|
|
6caa973 |
-umac-64@openssh.com,umac-128@openssh.com,
|
|
|
6caa973 |
-hmac-sha2-256,hmac-sha2-512,hmac-sha1
|
|
|
6caa973 |
-.Ed
|
|
|
a848054 |
-.Pp
|
|
|
a848054 |
The list of available MAC algorithms may also be obtained using
|
|
|
a848054 |
.Qq ssh -Q mac .
|
|
|
a848054 |
.It Cm Match
|
|
|
2b67ec4 |
@@ -1633,36 +1597,25 @@
|
|
|
a848054 |
The default is
|
|
|
a848054 |
.Cm yes .
|
|
|
25c16c6 |
.It Cm PubkeyAcceptedAlgorithms
|
|
|
6caa973 |
+The default is handled system-wide by
|
|
|
6caa973 |
+.Xr crypto-policies 7 .
|
|
|
9fd6981 |
+Information about defaults, how to modify the defaults and how to customize existing policies with sub-policies are present in manual page
|
|
|
6caa973 |
+.Xr update-crypto-policies 8 .
|
|
|
a848054 |
+.Pp
|
|
|
25c16c6 |
Specifies the signature algorithms that will be accepted for public key
|
|
|
25c16c6 |
authentication as a list of comma-separated patterns.
|
|
|
a848054 |
Alternately if the specified list begins with a
|
|
|
a848054 |
.Sq +
|
|
|
25c16c6 |
-character, then the specified algorithms will be appended to the default set
|
|
|
9c88962 |
-instead of replacing them.
|
|
|
25c16c6 |
+character, then the specified algorithms will be appended to the built-in
|
|
|
9c88962 |
+openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
a848054 |
.Sq -
|
|
|
25c16c6 |
character, then the specified algorithms (including wildcards) will be removed
|
|
|
a848054 |
-from the default set instead of replacing them.
|
|
|
9c88962 |
+from the built-in openssh default set instead of replacing them.
|
|
|
a848054 |
If the specified list begins with a
|
|
|
36fef56 |
.Sq ^
|
|
|
25c16c6 |
character, then the specified algorithms will be placed at the head of the
|
|
|
a848054 |
-default set.
|
|
|
6caa973 |
-The default for this option is:
|
|
|
6caa973 |
-.Bd -literal -offset 3n
|
|
|
25c16c6 |
-ssh-ed25519-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
|
6caa973 |
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
|
51f5c1c |
-sk-ssh-ed25519-cert-v01@openssh.com,
|
|
|
25c16c6 |
-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
|
51f5c1c |
-rsa-sha2-512-cert-v01@openssh.com,
|
|
|
51f5c1c |
-rsa-sha2-256-cert-v01@openssh.com,
|
|
|
25c16c6 |
-ssh-ed25519,
|
|
|
6caa973 |
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
|
25c16c6 |
-sk-ssh-ed25519@openssh.com,
|
|
|
51f5c1c |
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
|
03150f6 |
-rsa-sha2-512,rsa-sha2-256
|
|
|
6caa973 |
-.Ed
|
|
|
9c88962 |
+built-in openssh default set.
|
|
|
6caa973 |
.Pp
|
|
|
25c16c6 |
The list of available signature algorithms may also be obtained using
|
|
|
25c16c6 |
.Qq ssh -Q PubkeyAcceptedAlgorithms .
|
|
|
2b67ec4 |
@@ -2131,7 +2084,9 @@
|
|
|
42b22d9 |
.El
|
|
|
42b22d9 |
.Sh SEE ALSO
|
|
|
42b22d9 |
.Xr sftp-server 8 ,
|
|
|
42b22d9 |
-.Xr sshd 8
|
|
|
42b22d9 |
+.Xr sshd 8 ,
|
|
|
42b22d9 |
+.Xr crypto-policies 7 ,
|
|
|
42b22d9 |
+.Xr update-crypto-policies 8
|
|
|
42b22d9 |
.Sh AUTHORS
|
|
|
42b22d9 |
.An -nosplit
|
|
|
42b22d9 |
OpenSSH is a derivative of the original and free
|