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author | djm@openbsd.org <djm@openbsd.org> | 2018-09-20 05:30:44 +0200 |
---|---|---|
committer | Damien Miller <djm@mindrot.org> | 2018-09-20 06:00:29 +0200 |
commit | ecac7e1f7add6b28874959a11f2238d149dc2c07 (patch) | |
tree | 58cde218f604646101ff838423b7beeafb46b909 /ssh_config.5 | |
parent | upstream: Add sshd_config CASignatureAlgorithms option to allow (diff) | |
download | openssh-ecac7e1f7add6b28874959a11f2238d149dc2c07.tar.xz openssh-ecac7e1f7add6b28874959a11f2238d149dc2c07.zip |
upstream: add CASignatureAlgorithms option for the client, allowing
it to specify which signature algorithms may be used by CAs when signing
certificates. Useful if you want to ban RSA/SHA1; ok markus@
OpenBSD-Commit-ID: 9159e5e9f67504829bf53ff222057307a6e3230f
Diffstat (limited to 'ssh_config.5')
-rw-r--r-- | ssh_config.5 | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/ssh_config.5 b/ssh_config.5 index f499396a3..a9b44cc44 100644 --- a/ssh_config.5 +++ b/ssh_config.5 @@ -33,8 +33,8 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: ssh_config.5,v 1.281 2018/07/23 19:02:49 kn Exp $ -.Dd $Mdocdate: July 23 2018 $ +.\" $OpenBSD: ssh_config.5,v 1.282 2018/09/20 03:30:44 djm Exp $ +.Dd $Mdocdate: September 20 2018 $ .Dt SSH_CONFIG 5 .Os .Sh NAME @@ -261,6 +261,18 @@ Only useful on systems with more than one address. .It Cm BindInterface Use the address of the specified interface on the local machine as the source address of the connection. +.It Cm CASignatureAlgorithms +Specifies which algorithms are allowed for signing of certificates +by certificate authorities (CAs). +The default is: +.Bd -literal -offset indent +ecdsa-sha2-nistp256.ecdsa-sha2-nistp384,ecdsa-sha2-nistp521, +ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa +.Ed +.Pp +.Xr ssh 1 +will not accept host certificates signed using algorithms other than those +specified. .It Cm CanonicalDomains When .Cm CanonicalizeHostname |