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Merge branch 'master' of git://tinc-vpn.org/tinc into 1.1

Browse source 
Conflicts:
	NEWS
	README
	configure.in
	doc/tincd.8.in
	src/Makefile.am
	src/bsd/device.c
	src/connection.c
	src/connection.h
	src/cygwin/device.c
	src/device.h
	src/dropin.h
	src/linux/device.c
	src/mingw/device.c
	src/net.c
	src/net_packet.c
	src/net_setup.c
	src/net_socket.c
	src/process.c
	src/protocol.c
	src/protocol_key.c
	src/raw_socket_device.c
	src/route.c
	src/solaris/device.c
	src/tincd.c
	src/uml_device.c
This commit is contained in:
Guus Sliepen 2012-02-22 14:23:59 +01:00
commit 3fba80174d
33 changed files with 614 additions and 273 deletions
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67
doc/tinc.conf.5.in
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@ -133,7 +133,10 @@ IPv6 listening sockets will be created.
If your computer has more than one IPv4 or IPv6 address,
.Nm tinc
will by default listen on all of them for incoming connections.
It is possible to bind only to a single address with this variable.
Multiple
.Va BindToAddress
variables may be specified,
in which case listening sockets for each specified address are made.
.Pp
This option may not work on all platforms.
@ -147,6 +150,9 @@ It is possible to bind only to a single interface with this variable.
.Pp
This option may not work on all platforms.
.It Va Broadcast Li = yes | no Po yes Pc Bq experimental
When disabled, tinc will drop all broadcast and multicast packets, in both router and switch mode.
.It Va ConnectTo Li = Ar name
Specifies which other tinc daemon to connect to on startup.
Multiple
@ -165,6 +171,14 @@ If you don't specify a host with
won't try to connect to other daemons at all,
and will instead just listen for incoming connections.
.It Va DecrementTTL Li = yes | no Po yes Pc
When enabled,
.Nm 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.
.It Va Device Li = Ar device Po Pa /dev/tap0 , Pa /dev/net/tun No or other depending on platform Pc
The virtual network device to use.
.Nm tinc
@ -177,30 +191,65 @@ instead of
The info pages of the tinc package contain more information
about configuring the virtual network device.
.It Va DeviceType Li = tun | tunnohead | tunifhead | tap Po only supported on BSD platforms Pc
.It Va DeviceType Li = Ar type Pq platform dependent
The type of the virtual network device.
Tinc will normally automatically select the right type, and this option should not be used.
However, in case tinc does not seem to correctly interpret packets received from the virtual network device,
using this option might help.
Tinc will normally automatically select the right type of tun/tap interface, and this option should not be used.
However, this option can be used to select one of the special interface types, if support for them is compiled in.
.Bl -tag -width indent
.It tun
.It dummy
Use a dummy interface.
No packets are ever read or written to a virtual network device.
Useful for testing, or when setting up a node that only forwards packets for other nodes.
.It raw_socket
Open a raw socket, and bind it to a pre-existing
.Va Interface
(eth0 by default).
All packets are read from this interface.
Packets received for the local node are written to the raw socket.
However, at least on Linux, the operating system does not process IP packets destined for the local host.
.It uml Pq not compiled in by default
Create a UNIX socket with the filename specified by
.Va Device ,
or
.Pa @localstatedir@/run/ Ns Ar NETNAME Ns Pa .umlsocket
if not specified.
.Nm tinc
will wait for a User Mode Linux instance to connect to this socket.
.It vde Pq not compiled in by default
Uses the libvdeplug library to connect to a Virtual Distributed Ethernet switch,
using the UNIX socket specified by
.Va Device ,
or
.Pa @localstatedir@/run/vde.ctl
if not specified.
.El
Also, in case tinc does not seem to correctly interpret packets received from the virtual network device,
it can be used to change the way packets are interpreted:
.Bl -tag -width indent
.It tun Pq BSD and Linux
Set type to tun.
Depending on the platform, this can either be with or without an address family header (see below).
.It tunnohead
.It tunnohead Pq BSD
Set type to tun without an address family header.
Tinc will expect packets read from the virtual network device to start with an IP header.
On some platforms IPv6 packets cannot be read from or written to the device in this mode.
.It tunifhead
.It tunifhead Pq BSD
Set type to tun with an address family header.
Tinc will expect packets read from the virtual network device
to start with a four byte header containing the address family,
followed by an IP header.
This mode should support both IPv4 and IPv6 packets.
.It tap
.It tap Pq BSD and Linux
Set type to tap.
Tinc will expect packets read from the virtual network device
to start with an Ethernet header.