upstream commit

support =- for removing methods from algorithms lists,
e.g. Ciphers=-*cbc; suggested by Cristian Ionescu-Idbohrn in bz#2671 "I like
it" markus@

Upstream-ID: c78c38f9f81a963b33d0eade559f6048add24a6d

1 files changed, 22 insertions, 2 deletions

diff --git a/sshd_config.5 b/sshd_config.5
index 935fda4b7..454e46e0b 100644
--- a/sshd_config.5
+++ b/sshd_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: sshd_config.5,v 1.241 2017/01/06 16:28:12 jmc Exp $
-.Dd $Mdocdate: January 6 2017 $
+.\" $OpenBSD: sshd_config.5,v 1.242 2017/02/03 23:01:19 djm Exp $
+.Dd $Mdocdate: February 3 2017 $
 .Dt SSHD_CONFIG 5
 .Os
 .Sh NAME
@@ -437,6 +437,10 @@ If the specified value begins with a
 .Sq +
 character, then the specified ciphers will be appended to the default set
 instead of replacing them.
+If the specified value begins with a
+.Sq -
+character, then the specified ciphers (including wildcards) will be removed
+from the default set instead of replacing them.
 .Pp
 The supported ciphers are:
 .Pp
@@ -649,6 +653,10 @@ Alternately if the specified value begins with a
 .Sq +
 character, then the specified key types will be appended to the default set
 instead of replacing them.
+If the specified value begins with a
+.Sq -
+character, then the specified key types (including wildcards) will be removed
+from the default set instead of replacing them.
 The default for this option is:
 .Bd -literal -offset 3n
 ecdsa-sha2-nistp256-cert-v01@openssh.com,
@@ -843,6 +851,10 @@ Alternately if the specified value begins with a
 .Sq +
 character, then the specified methods will be appended to the default set
 instead of replacing them.
+If the specified value begins with a
+.Sq -
+character, then the specified methods (including wildcards) will be removed
+from the default set instead of replacing them.
 The supported algorithms are:
 .Pp
 .Bl -item -compact -offset indent
@@ -933,6 +945,10 @@ If the specified value begins with a
 .Sq +
 character, then the specified algorithms will be appended to the default set
 instead of replacing them.
+If the specified value begins with a
+.Sq -
+character, then the specified algorithms (including wildcards) will be removed
+from the default set instead of replacing them.
 .Pp
 The algorithms that contain
 .Qq -etm
@@ -1280,6 +1296,10 @@ Alternately if the specified value begins with a
 .Sq +
 character, then the specified key types will be appended to the default set
 instead of replacing them.
+If the specified value begins with a
+.Sq -
+character, then the specified key types (including wildcards) will be removed
+from the default set instead of replacing them.
 The default for this option is:
 .Bd -literal -offset 3n
 ecdsa-sha2-nistp256-cert-v01@openssh.com,