three more man page entries for bridges

svn:r12689

doc/tor.1.in

@@ -356,6 +356,15 @@ can opt to use them in some circuit positions, though. The default is
 "middle,rendezvous", and other choices are not advised.
 .LP
 .TP
+\fBBridge \fR\fIIP:ORPort\fR [fingerprint]\fP
+When set along with UseBridges, instructs Tor to use the relay at
+"IP:ORPort" as a "bridge" relaying into the Tor network. If "fingerprint"
+is provided (using the same format as for DirServer), we will verify that
+the relay running at that location has the right fingerprint. We also use
+fingerprint to look up the bridge descriptor at the bridge authority, if
+it's provided and if UpdateBridgesFromAuthority is set too.
+.LP
+.TP
 \fBCircuitBuildTimeout \fR\fINUM\fP
 Try for at most NUM seconds when building circuits. If the circuit
 isn't open in that time, give up on it.
@@ -562,6 +571,18 @@ between host and exit server after NUM seconds. The default
 is 1800 seconds (30 minutes).
 .LP
 .TP
+\fBUpdateBridgesFromAuthority \fR\fB0\fR|\fB1\fR\fP
+When set (along with UseBridges), Tor will try to fetch bridge descriptors
+from the configured bridge authorities when feasible. It will fall back
+to a direct request if the authority responds with a 404. (Default: 0)
+.LP
+.TP
+\fBUseBridges \fR\fB0\fR|\fB1\fR\fP
+When set, Tor will fetch descriptors for each bridge listed in the
+"Bridge" config lines, and use these relays as both entry guards and
+directory guards. (Default: 0)
+.LP
+.TP
 \fBUseEntryGuards \fR\fB0\fR|\fB1\fR\fP
 If this option is set to 1, we pick a few long-term entry servers, and
 try to stick with them.  This is desirable because