503 lines
18 KiB
Diff
503 lines
18 KiB
Diff
diff -up openssh-8.2p1/ssh_config.5.crypto-policies openssh-8.2p1/ssh_config.5
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--- openssh-8.2p1/ssh_config.5.crypto-policies 2020-03-26 14:40:44.546775605 +0100
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+++ openssh-8.2p1/ssh_config.5 2020-03-26 14:52:20.700649727 +0100
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@@ -359,17 +359,17 @@ or
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.Qq *.c.example.com
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domains.
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.It Cm CASignatureAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies which algorithms are allowed for signing of certificates
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by certificate authorities (CAs).
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-The default is:
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-.Bd -literal -offset indent
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-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
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-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
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-.Ed
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-.Pp
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.Xr ssh 1
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will not accept host certificates signed using algorithms other than those
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specified.
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+.Pp
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.It Cm CertificateFile
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Specifies a file from which the user's certificate is read.
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A corresponding private key must be provided separately in order
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@@ -424,20 +424,25 @@ If the option is set to
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.Cm no ,
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the check will not be executed.
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.It Cm Ciphers
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the ciphers allowed and their order of preference.
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Multiple ciphers must be comma-separated.
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If the specified list begins with a
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.Sq +
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-character, then the specified ciphers will be appended to the default set
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-instead of replacing them.
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+character, then the specified ciphers will be appended to the built-in
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+openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq -
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character, then the specified ciphers (including wildcards) will be removed
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-from the default set instead of replacing them.
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+from the built-in openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq ^
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character, then the specified ciphers will be placed at the head of the
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-default set.
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+built-in openssh default set.
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.Pp
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The supported ciphers are:
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.Bd -literal -offset indent
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@@ -453,13 +458,6 @@ aes256-gcm@openssh.com
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chacha20-poly1305@openssh.com
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.Ed
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.Pp
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-The default is:
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-.Bd -literal -offset indent
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-chacha20-poly1305@openssh.com,
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-aes128-ctr,aes192-ctr,aes256-ctr,
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-aes128-gcm@openssh.com,aes256-gcm@openssh.com
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-.Ed
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-.Pp
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The list of available ciphers may also be obtained using
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.Qq ssh -Q cipher .
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.It Cm ClearAllForwardings
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@@ -812,6 +810,11 @@ command line will be passed untouched to
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The default is
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.Dq no .
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.It Cm GSSAPIKexAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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The list of key exchange algorithms that are offered for GSSAPI
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key exchange. Possible values are
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.Bd -literal -offset 3n
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@@ -824,10 +827,8 @@ gss-nistp256-sha256-,
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gss-curve25519-sha256-
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.Ed
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.Pp
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-The default is
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-.Dq gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,
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-gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1- .
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This option only applies to connections using GSSAPI.
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+.Pp
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.It Cm HashKnownHosts
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Indicates that
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.Xr ssh 1
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@@ -1149,29 +1150,25 @@ it may be zero or more of:
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and
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.Cm pam .
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.It Cm KexAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the available KEX (Key Exchange) algorithms.
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Multiple algorithms must be comma-separated.
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If the specified list begins with a
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.Sq +
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-character, then the specified methods will be appended to the default set
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-instead of replacing them.
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+character, then the specified methods will be appended to the built-in
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+openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq -
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character, then the specified methods (including wildcards) will be removed
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-from the default set instead of replacing them.
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+from the built-in openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq ^
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character, then the specified methods will be placed at the head of the
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-default set.
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-The default is:
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-.Bd -literal -offset indent
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-curve25519-sha256,curve25519-sha256@libssh.org,
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-ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
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-diffie-hellman-group-exchange-sha256,
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-diffie-hellman-group16-sha512,
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-diffie-hellman-group18-sha512,
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-diffie-hellman-group14-sha256
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-.Ed
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+built-in openssh default set.
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.Pp
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The list of available key exchange algorithms may also be obtained using
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.Qq ssh -Q kex .
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@@ -1231,37 +1228,33 @@ The default is INFO.
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DEBUG and DEBUG1 are equivalent.
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DEBUG2 and DEBUG3 each specify higher levels of verbose output.
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.It Cm MACs
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the MAC (message authentication code) algorithms
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in order of preference.
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The MAC algorithm is used for data integrity protection.
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Multiple algorithms must be comma-separated.
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If the specified list begins with a
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.Sq +
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-character, then the specified algorithms will be appended to the default set
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-instead of replacing them.
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+character, then the specified algorithms will be appended to the built-in
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+openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq -
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character, then the specified algorithms (including wildcards) will be removed
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-from the default set instead of replacing them.
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+from the built-in openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq ^
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character, then the specified algorithms will be placed at the head of the
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-default set.
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+built-in openssh default set.
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.Pp
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The algorithms that contain
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.Qq -etm
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calculate the MAC after encryption (encrypt-then-mac).
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These are considered safer and their use recommended.
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.Pp
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-The default is:
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-.Bd -literal -offset indent
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-umac-64-etm@openssh.com,umac-128-etm@openssh.com,
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-hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
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-hmac-sha1-etm@openssh.com,
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-umac-64@openssh.com,umac-128@openssh.com,
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-hmac-sha2-256,hmac-sha2-512,hmac-sha1
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-.Ed
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-.Pp
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The list of available MAC algorithms may also be obtained using
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.Qq ssh -Q mac .
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.It Cm NoHostAuthenticationForLocalhost
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@@ -1394,36 +1387,25 @@ instead of continuing to execute and pas
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The default is
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.Cm no .
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.It Cm PubkeyAcceptedKeyTypes
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the key types that will be used for public key authentication
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as a comma-separated list of patterns.
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If the specified list begins with a
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.Sq +
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-character, then the key types after it will be appended to the default
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-instead of replacing it.
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+character, then the key types after it will be appended to the built-in
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+openssh default instead of replacing it.
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If the specified list begins with a
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.Sq -
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character, then the specified key types (including wildcards) will be removed
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-from the default set instead of replacing them.
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+from the built-in openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq ^
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character, then the specified key types will be placed at the head of the
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-default set.
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-The default for this option is:
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-.Bd -literal -offset 3n
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-ecdsa-sha2-nistp256-cert-v01@openssh.com,
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-ecdsa-sha2-nistp384-cert-v01@openssh.com,
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-ecdsa-sha2-nistp521-cert-v01@openssh.com,
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-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
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-ssh-ed25519-cert-v01@openssh.com,
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-sk-ssh-ed25519-cert-v01@openssh.com,
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-rsa-sha2-512-cert-v01@openssh.com,
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-rsa-sha2-256-cert-v01@openssh.com,
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-ssh-rsa-cert-v01@openssh.com,
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-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
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-sk-ecdsa-sha2-nistp256@openssh.com,
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-ssh-ed25519,sk-ssh-ed25519@openssh.com,
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-rsa-sha2-512,rsa-sha2-256,ssh-rsa
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-.Ed
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+built-in openssh default set.
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.Pp
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The list of available key types may also be obtained using
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.Qq ssh -Q PubkeyAcceptedKeyTypes .
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diff -up openssh-8.2p1/sshd_config.5.crypto-policies openssh-8.2p1/sshd_config.5
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--- openssh-8.2p1/sshd_config.5.crypto-policies 2020-03-26 14:40:44.530775355 +0100
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+++ openssh-8.2p1/sshd_config.5 2020-03-26 14:48:56.732468099 +0100
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@@ -375,16 +375,16 @@ If the argument is
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then no banner is displayed.
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By default, no banner is displayed.
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.It Cm CASignatureAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies which algorithms are allowed for signing of certificates
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by certificate authorities (CAs).
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-The default is:
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-.Bd -literal -offset indent
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-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
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-ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
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-.Ed
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-.Pp
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Certificates signed using other algorithms will not be accepted for
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public key or host-based authentication.
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+.Pp
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.It Cm ChallengeResponseAuthentication
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Specifies whether challenge-response authentication is allowed (e.g. via
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PAM or through authentication styles supported in
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@@ -446,20 +446,25 @@ The default is
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indicating not to
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.Xr chroot 2 .
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.It Cm Ciphers
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the ciphers allowed.
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Multiple ciphers must be comma-separated.
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If the specified list begins with a
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.Sq +
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-character, then the specified ciphers will be appended to the default set
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-instead of replacing them.
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+character, then the specified ciphers will be appended to the built-in
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+openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq -
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character, then the specified ciphers (including wildcards) will be removed
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-from the default set instead of replacing them.
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+from the built-in openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq ^
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character, then the specified ciphers will be placed at the head of the
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-default set.
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+built-in openssh default set.
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.Pp
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The supported ciphers are:
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.Pp
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@@ -486,13 +491,6 @@ aes256-gcm@openssh.com
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chacha20-poly1305@openssh.com
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.El
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.Pp
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-The default is:
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-.Bd -literal -offset indent
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-chacha20-poly1305@openssh.com,
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-aes128-ctr,aes192-ctr,aes256-ctr,
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-aes128-gcm@openssh.com,aes256-gcm@openssh.com
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-.Ed
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-.Pp
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The list of available ciphers may also be obtained using
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.Qq ssh -Q cipher .
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.It Cm ClientAliveCountMax
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@@ -681,22 +679,24 @@ For this to work
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.Cm GSSAPIKeyExchange
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needs to be enabled in the server and also used by the client.
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.It Cm GSSAPIKexAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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The list of key exchange algorithms that are accepted by GSSAPI
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key exchange. Possible values are
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.Bd -literal -offset 3n
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-gss-gex-sha1-,
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-gss-group1-sha1-,
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-gss-group14-sha1-,
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-gss-group14-sha256-,
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-gss-group16-sha512-,
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-gss-nistp256-sha256-,
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+gss-gex-sha1-
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+gss-group1-sha1-
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+gss-group14-sha1-
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+gss-group14-sha256-
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+gss-group16-sha512-
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+gss-nistp256-sha256-
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gss-curve25519-sha256-
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.Ed
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-.Pp
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-The default is
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-.Dq gss-group14-sha256-,gss-group16-sha512-,gss-nistp256-sha256-,
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-gss-curve25519-sha256-,gss-group14-sha1-,gss-gex-sha1- .
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This option only applies to connections using GSSAPI.
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+.Pp
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.It Cm HostbasedAcceptedKeyTypes
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Specifies the key types that will be accepted for hostbased authentication
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as a list of comma-separated patterns.
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@@ -793,25 +793,13 @@ is specified, the location of the socket
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.Ev SSH_AUTH_SOCK
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environment variable.
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.It Cm HostKeyAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the host key algorithms
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that the server offers.
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-The default for this option is:
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-.Bd -literal -offset 3n
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-ecdsa-sha2-nistp256-cert-v01@openssh.com,
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-ecdsa-sha2-nistp384-cert-v01@openssh.com,
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-ecdsa-sha2-nistp521-cert-v01@openssh.com,
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-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
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-ssh-ed25519-cert-v01@openssh.com,
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-sk-ssh-ed25519-cert-v01@openssh.com,
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-rsa-sha2-512-cert-v01@openssh.com,
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-rsa-sha2-256-cert-v01@openssh.com,
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-ssh-rsa-cert-v01@openssh.com,
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-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
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-sk-ecdsa-sha2-nistp256@openssh.com,
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-ssh-ed25519,sk-ssh-ed25519@openssh.com,
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-rsa-sha2-512,rsa-sha2-256,ssh-rsa
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-.Ed
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-.Pp
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The list of available key types may also be obtained using
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.Qq ssh -Q HostKeyAlgorithms .
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.It Cm IgnoreRhosts
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@@ -943,20 +931,25 @@ Specifies whether to look at .k5login fi
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The default is
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.Cm yes .
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.It Cm KexAlgorithms
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
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+To see the defaults and how to modify this default, see manual page
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+.Xr update-crypto-policies 8 .
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+.Pp
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Specifies the available KEX (Key Exchange) algorithms.
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Multiple algorithms must be comma-separated.
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Alternately if the specified list begins with a
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.Sq +
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-character, then the specified methods will be appended to the default set
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-instead of replacing them.
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+character, then the specified methods will be appended to the built-in
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+openssh default set instead of replacing them.
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If the specified list begins with a
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.Sq -
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character, then the specified methods (including wildcards) will be removed
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-from the default set instead of replacing them.
|
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+from the built-in openssh default set instead of replacing them.
|
|
If the specified list begins with a
|
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.Sq ^
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character, then the specified methods will be placed at the head of the
|
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-default set.
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+built-in openssh default set.
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The supported algorithms are:
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.Pp
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.Bl -item -compact -offset indent
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@@ -988,15 +981,6 @@ ecdh-sha2-nistp521
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sntrup4591761x25519-sha512@tinyssh.org
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.El
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.Pp
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-The default is:
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-.Bd -literal -offset indent
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-curve25519-sha256,curve25519-sha256@libssh.org,
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-ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,
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-diffie-hellman-group-exchange-sha256,
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-diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,
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-diffie-hellman-group14-sha256
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-.Ed
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-.Pp
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The list of available key exchange algorithms may also be obtained using
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.Qq ssh -Q KexAlgorithms .
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.It Cm ListenAddress
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@@ -1065,21 +1049,26 @@ DEBUG and DEBUG1 are equivalent.
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DEBUG2 and DEBUG3 each specify higher levels of debugging output.
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Logging with a DEBUG level violates the privacy of users and is not recommended.
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.It Cm MACs
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+The default is handled system-wide by
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+.Xr crypto-policies 7 .
|
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+To see the defaults and how to modify this default, see manual page
|
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+.Xr update-crypto-policies 8 .
|
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+.Pp
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Specifies the available MAC (message authentication code) algorithms.
|
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The MAC algorithm is used for data integrity protection.
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Multiple algorithms must be comma-separated.
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If the specified list begins with a
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.Sq +
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-character, then the specified algorithms will be appended to the default set
|
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-instead of replacing them.
|
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+character, then the specified algorithms will be appended to the built-in
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+openssh default set instead of replacing them.
|
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If the specified list begins with a
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.Sq -
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character, then the specified algorithms (including wildcards) will be removed
|
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-from the default set instead of replacing them.
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+from the built-in openssh default set instead of replacing them.
|
|
If the specified list begins with a
|
|
.Sq ^
|
|
character, then the specified algorithms will be placed at the head of the
|
|
-default set.
|
|
+built-in openssh default set.
|
|
.Pp
|
|
The algorithms that contain
|
|
.Qq -etm
|
|
@@ -1122,15 +1111,6 @@ umac-64-etm@openssh.com
|
|
umac-128-etm@openssh.com
|
|
.El
|
|
.Pp
|
|
-The default is:
|
|
-.Bd -literal -offset indent
|
|
-umac-64-etm@openssh.com,umac-128-etm@openssh.com,
|
|
-hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,
|
|
-hmac-sha1-etm@openssh.com,
|
|
-umac-64@openssh.com,umac-128@openssh.com,
|
|
-hmac-sha2-256,hmac-sha2-512,hmac-sha1
|
|
-.Ed
|
|
-.Pp
|
|
The list of available MAC algorithms may also be obtained using
|
|
.Qq ssh -Q mac .
|
|
.It Cm Match
|
|
@@ -1480,36 +1460,25 @@ or equivalent.)
|
|
The default is
|
|
.Cm yes .
|
|
.It Cm PubkeyAcceptedKeyTypes
|
|
+The default is handled system-wide by
|
|
+.Xr crypto-policies 7 .
|
|
+To see the defaults and how to modify this default, see manual page
|
|
+.Xr update-crypto-policies 8 .
|
|
+.Pp
|
|
Specifies the key types that will be accepted for public key authentication
|
|
as a list of comma-separated patterns.
|
|
Alternately if the specified list begins with a
|
|
.Sq +
|
|
-character, then the specified key types will be appended to the default set
|
|
-instead of replacing them.
|
|
+character, then the specified key types will be appended to the built-in
|
|
+openssh default set instead of replacing them.
|
|
If the specified list begins with a
|
|
.Sq -
|
|
character, then the specified key types (including wildcards) will be removed
|
|
-from the default set instead of replacing them.
|
|
+from the built-in openssh default set instead of replacing them.
|
|
If the specified list begins with a
|
|
.Sq ^
|
|
character, then the specified key types will be placed at the head of the
|
|
-default set.
|
|
-The default for this option is:
|
|
-.Bd -literal -offset 3n
|
|
-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
-ecdsa-sha2-nistp384-cert-v01@openssh.com,
|
|
-ecdsa-sha2-nistp521-cert-v01@openssh.com,
|
|
-sk-ecdsa-sha2-nistp256-cert-v01@openssh.com,
|
|
-ssh-ed25519-cert-v01@openssh.com,
|
|
-sk-ssh-ed25519-cert-v01@openssh.com,
|
|
-rsa-sha2-512-cert-v01@openssh.com,
|
|
-rsa-sha2-256-cert-v01@openssh.com,
|
|
-ssh-rsa-cert-v01@openssh.com,
|
|
-ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,
|
|
-sk-ecdsa-sha2-nistp256@openssh.com,
|
|
-ssh-ed25519,sk-ssh-ed25519@openssh.com,
|
|
-rsa-sha2-512,rsa-sha2-256,ssh-rsa
|
|
-.Ed
|
|
+built-in openssh default set.
|
|
.Pp
|
|
The list of available key types may also be obtained using
|
|
.Qq ssh -Q PubkeyAcceptedKeyTypes .
|