Clamp MSS to miminum MTU in both directions.

[tinc] / doc / tinc.texi

diff --git a/doc/tinc.texi b/doc/tinc.texi
index e6e6a42ec62c604b72cf1e1dddc9f8850d1c3068..71babb1c1ba4989eb12f90ebaa8f50b4d0fe9a48 100644 (file)
--- a/doc/tinc.texi
+++ b/doc/tinc.texi
@@ -15,7 +15,7 @@
 
 This is the info manual for @value{PACKAGE} version @value{VERSION}, a Virtual Private Network daemon.
 
-Copyright @copyright{} 1998-2009 Ivo Timmermans,
+Copyright @copyright{} 1998-2010 Ivo Timmermans,
 Guus Sliepen <guus@@tinc-vpn.org> and
 Wessel Dankers <wsl@@tinc-vpn.org>.
 
@@ -39,7 +39,7 @@ permission notice identical to this one.
 @vskip 0pt plus 1filll
 This is the info manual for @value{PACKAGE} version @value{VERSION}, a Virtual Private Network daemon.
 
-Copyright @copyright{} 1998-2009 Ivo Timmermans,
+Copyright @copyright{} 1998-2010 Ivo Timmermans,
 Guus Sliepen <guus@@tinc-vpn.org> and
 Wessel Dankers <wsl@@tinc-vpn.org>.
 
@@ -943,10 +943,11 @@ and will only allow nodes and subnets on the VPN which are present in the
 
 @table @asis
 @cindex Address
-@item Address = <@var{IP address}|@var{hostname}> [recommended]
+@item Address = <@var{IP address}|@var{hostname}> [<port>] [recommended]
 This variable is only required if you want to connect to this host.  It
 must resolve to the external IP address where the host can be reached,
 not the one that is internal to the VPN.
+If no port is specified, the default Port is used.
 
 @cindex Cipher
 @item Cipher = <@var{cipher}> (blowfish)
@@ -955,6 +956,12 @@ Any cipher supported by OpenSSL is recognized.
 Furthermore, specifying "none" will turn off packet encryption.
 It is best to use only those ciphers which support CBC mode.
 
+@cindex ClampMSS
+@item ClampMSS = <yes|no> (yes)
+This option specifies whether tinc should clamp the maximum segment size (MSS)
+of TCP packets to the path MTU. This helps in situations where ICMP
+Fragmentation Needed or Packet too Big messages are dropped by firewalls.
+
 @cindex Compression
 @item Compression = <@var{level}> (0)
 This option sets the level of compression used for UDP packets.