Always call res_init() before getaddrinfo().

[tinc] / doc / tinc.conf.5.in

diff --git a/doc/tinc.conf.5.in b/doc/tinc.conf.5.in
index 5673686..71b5ec6 100644 (file)
--- a/doc/tinc.conf.5.in
+++ b/doc/tinc.conf.5.in
@@ -464,10 +464,10 @@ and
 .Ev REMOTEPORT
 are available.
 .El
 .Ev REMOTEPORT
 are available.
 .El

-.It Va ReplayWindow Li = Ar bytes Pq 16
+.It Va ReplayWindow Li = Ar bytes Pq 32

 This is the size of the replay tracking window for each remote node, in bytes.
 The window is a bitfield which tracks 1 packet per bit, so for example
 This is the size of the replay tracking window for each remote node, in bytes.
 The window is a bitfield which tracks 1 packet per bit, so for example

-the default setting of 16 will track up to 128 packets in the window. In high
+the default setting of 32 will track up to 256 packets in the window. In high

 bandwidth scenarios, setting this to a higher value can reduce packet loss from
 the interaction of replay tracking with underlying real packet loss and/or
 reordering. Setting this to zero will disable replay tracking completely and
 bandwidth scenarios, setting this to a higher value can reduce packet loss from
 the interaction of replay tracking with underlying real packet loss and/or
 reordering. Setting this to zero will disable replay tracking completely and


@@ -502,12 +502,14 @@ If tinc doesn't receive any UDP ping replies over the specified interval,
 it will assume UDP communication is broken and will fall back to TCP.
 .It Va UDPInfoInterval Li = Ar seconds Pq 5
 The minimum amount of time between sending periodic updates about UDP addresses, which are mostly useful for UDP hole punching.
 it will assume UDP communication is broken and will fall back to TCP.
 .It Va UDPInfoInterval Li = Ar seconds Pq 5
 The minimum amount of time between sending periodic updates about UDP addresses, which are mostly useful for UDP hole punching.

-.It Va UDPRcvBuf Li = Ar bytes Pq OS default
+.It Va UDPRcvBuf Li = Ar bytes Pq 1048576

 Sets the socket receive buffer size for the UDP socket, in bytes.
 Sets the socket receive buffer size for the UDP socket, in bytes.

-If unset, the default buffer size will be used by the operating system.
-.It Va UDPSndBuf Li = Ar bytes Pq OS default
+If set to zero, the default buffer size will be used by the operating system.
+Note: this setting can have a significant impact on performance, especially raw throughput.
+.It Va UDPSndBuf Li = Ar bytes Pq 1048576

 Sets the socket send buffer size for the UDP socket, in bytes.
 Sets the socket send buffer size for the UDP socket, in bytes.

-If unset, the default buffer size will be used by the operating system.
+If set to zero, the default buffer size will be used by the operating system.
+Note: this setting can have a significant impact on performance, especially raw throughput.

 .El
 .Sh HOST CONFIGURATION FILES
 The host configuration files contain all information needed
 .El
 .Sh HOST CONFIGURATION FILES
 The host configuration files contain all information needed