X-Git-Url: https://git.librecmc.org/?p=oweals%2Ftinc.git;a=blobdiff_plain;f=doc%2Ftinc.texi;h=4b985dcd77e4240608b56b87f5128bde037e7f82;hp=3bb4407604c46be144621b352f18990343b25cf9;hb=0233b1d710222cb09be0cbd08c1297e3ece38a9f;hpb=6289859ab365dc1c0d420323174418b316b14502

diff --git a/doc/tinc.texi b/doc/tinc.texi
index 3bb4407..4b985dc 100644
--- a/doc/tinc.texi
+++ b/doc/tinc.texi
@@ -785,6 +785,13 @@ If you don't specify a host with ConnectTo,
 tinc won't try to connect to other daemons at all,
 and will instead just listen for incoming connections.
 
+@cindex DecrementTTL
+@item DecrementTTL = <yes | no> (yes)
+When enabled, tinc will decrement the Time To Live field in IPv4 packets, or the Hop Limit field in IPv6 packets,
+before forwarding a received packet to the virtual network device or to another node,
+and will drop packets that have a TTL value of zero,
+in which case it will send an ICMP Time Exceeded packet back.
+
 @cindex Device
 @item Device = <@var{device}> (@file{/dev/tap0}, @file{/dev/net/tun} or other depending on platform)
 The virtual network device to use.