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-rw-r--r--sshd_config.551
1 files changed, 49 insertions, 2 deletions
diff --git a/sshd_config.5 b/sshd_config.5
index 06fd62de7..f92084857 100644
--- a/sshd_config.5
+++ b/sshd_config.5
@@ -33,8 +33,8 @@
33.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35.\" 35.\"
36.\" $OpenBSD: sshd_config.5,v 1.174 2014/07/03 22:40:43 djm Exp $ 36.\" $OpenBSD: sshd_config.5,v 1.175 2014/07/15 15:54:14 millert Exp $
37.Dd $Mdocdate: July 3 2014 $ 37.Dd $Mdocdate: July 15 2014 $
38.Dt SSHD_CONFIG 5 38.Dt SSHD_CONFIG 5
39.Os 39.Os
40.Sh NAME 40.Sh NAME
@@ -140,6 +140,26 @@ The default is
140Note that disabling TCP forwarding does not improve security unless 140Note that disabling TCP forwarding does not improve security unless
141users are also denied shell access, as they can always install their 141users are also denied shell access, as they can always install their
142own forwarders. 142own forwarders.
143.It Cm AllowStreamLocalForwarding
144Specifies whether StreamLocal (Unix-domain socket) forwarding is permitted.
145The available options are
146.Dq yes
147or
148.Dq all
149to allow StreamLocal forwarding,
150.Dq no
151to prevent all StreamLocal forwarding,
152.Dq local
153to allow local (from the perspective of
154.Xr ssh 1 )
155forwarding only or
156.Dq remote
157to allow remote forwarding only.
158The default is
159.Dq yes .
160Note that disabling StreamLocal forwarding does not improve security unless
161users are also denied shell access, as they can always install their
162own forwarders.
143.It Cm AllowUsers 163.It Cm AllowUsers
144This keyword can be followed by a list of user name patterns, separated 164This keyword can be followed by a list of user name patterns, separated
145by spaces. 165by spaces.
@@ -1171,6 +1191,33 @@ This option applies to protocol version 1 only.
1171.It Cm ServerKeyBits 1191.It Cm ServerKeyBits
1172Defines the number of bits in the ephemeral protocol version 1 server key. 1192Defines the number of bits in the ephemeral protocol version 1 server key.
1173The minimum value is 512, and the default is 1024. 1193The minimum value is 512, and the default is 1024.
1194.It Cm StreamLocalBindMask
1195Sets the octal file creation mode mask
1196.Pq umask
1197used when creating a Unix-domain socket file for local or remote
1198port forwarding.
1199This option is only used for port forwarding to a Unix-domain socket file.
1200.Pp
1201The default value is 0177, which creates a Unix-domain socket file that is
1202readable and writable only by the owner.
1203Note that not all operating systems honor the file mode on Unix-domain
1204socket files.
1205.It Cm StreamLocalBindUnlink
1206Specifies whether to remove an existing Unix-domain socket file for local
1207or remote port forwarding before creating a new one.
1208If the socket file already exists and
1209.Cm StreamLocalBindUnlink
1210is not enabled,
1211.Nm sshd
1212will be unable to forward the port to the Unix-domain socket file.
1213This option is only used for port forwarding to a Unix-domain socket file.
1214.Pp
1215The argument must be
1216.Dq yes
1217or
1218.Dq no .
1219The default is
1220.Dq no .
1174.It Cm StrictModes 1221.It Cm StrictModes
1175Specifies whether 1222Specifies whether
1176.Xr sshd 8 1223.Xr sshd 8