X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/tripe/blobdiff_plain/cf2e4ea6c40973c25002e84374c194bb5e4c4973..ddb384f1ac7fbaed5a4dbb02ddc37d0713727be4:/svc/conntrack.8.in

diff --git a/svc/conntrack.8.in b/svc/conntrack.8.in
index 3e4fc725..5dc6bff8 100644
--- a/svc/conntrack.8.in
+++ b/svc/conntrack.8.in
@@ -101,6 +101,14 @@ connecting the new one.  If no match is found in a particular group,
 then no peers in the group are connected.  Strange and unhelpful things
 will happen if you put the same peer in several different groups.
 .PP
+The tags
+.B down
+and
+.BI down/ anything
+are special and mean that no peer from the group should be active.  This
+is useful for detecting a `home' network, where a VPN is unnecessary
+(or, worse, break routing completely).
+.PP
 The notion of `current IP address' is somewhat vague.  The
 .B conntrack
 service calculates it as the source address that the host would put on
@@ -198,11 +206,14 @@ A connection has been lost.
 .TP
 .BI state= label
 The service's internal state machine is confused.
+.RE
 .SP
-.BI "USER conntrack " up \fR| down " " reason\fR...
+.BI "USER conntrack " up \fR| down " " group = peer\fR... " " reason\fR...
 The network connection has apparently gone up or down, and
 .B conntrack
-is about to kill and/or connect peers accordingly.  The
+is about to kill and/or connect peers accordingly: for each group, the
+selected peer is listed; if a group is not listed, then either the group
+is to be brought down, or no matching peer was found.  The
 .I reason
 is one of the following.
 .RS