diff options
| -rw-r--r-- | usr.bin/ssh/sshd.8 | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/usr.bin/ssh/sshd.8 b/usr.bin/ssh/sshd.8 index e7f158a91c6..e000ec6501a 100644 --- a/usr.bin/ssh/sshd.8 +++ b/usr.bin/ssh/sshd.8 @@ -34,7 +34,7 @@ .\" (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.8,v 1.143 2001/08/22 16:30:02 stevesk Exp $ +.\" $OpenBSD: sshd.8,v 1.144 2001/08/29 23:02:21 stevesk Exp $ .Dd September 25, 1999 .Dt SSHD 8 .Os @@ -268,6 +268,18 @@ indicates that only dotted decimal addresses should be put into the .Pa utmp file. +.Fl u0 +is also be used to prevent +.Nm +from making DNS requests unless the authentication +mechanism or configuration requires it. +Authentication mechanisms that may require DNS include +.Cm RhostsAuthentication , +.Cm RhostsRSAAuthentication , +.Cm HostbasedAuthentication +and using a +.Cm from="pattern-list" +option in a key file. .It Fl D When this option is specified .Nm |