=================================================================== RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh_config.5,v retrieving revision 1.161 retrieving revision 1.162 diff -u -r1.161 -r1.162 --- src/usr.bin/ssh/ssh_config.5 2013/01/08 18:49:04 1.161 +++ src/usr.bin/ssh/ssh_config.5 2013/05/16 02:00:34 1.162 @@ -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 1.161 2013/01/08 18:49:04 markus Exp $ -.Dd $Mdocdate: January 8 2013 $ +.\" $OpenBSD: ssh_config.5,v 1.162 2013/05/16 02:00:34 dtucker Exp $ +.Dd $Mdocdate: May 16 2013 $ .Dt SSH_CONFIG 5 .Os .Sh NAME @@ -931,8 +931,9 @@ This option applies to protocol version 2 only. .It Cm RekeyLimit Specifies the maximum amount of data that may be transmitted before the -session key is renegotiated. -The argument is the number of bytes, with an optional suffix of +session key is renegotiated, optionally followed a maximum amount of +time that may pass before the session key is renegotiated. +The first argument is specified in bytes and may have a suffix of .Sq K , .Sq M , or @@ -943,6 +944,17 @@ and .Sq 4G , depending on the cipher. +The optional second value is specified in seconds and may use any of the +units documented in the +.Sx TIME FORMATS +section of +.Xr sshd_config 5 . +The default value for +.Cm RekeyLimit +is +.Dq default none , +which means that rekeying is performed after the cipher's default amount +of data has been sent or received and no time based rekeying is done. This option applies to protocol version 2 only. .It Cm RemoteForward Specifies that a TCP port on the remote machine be forwarded over