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Add basic support for SOCKS 4 and HTTP CONNECT proxies.

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When the Proxy option is used, outgoing connections will be made via the
specified proxy. There is no support for authentication methods or for having
the proxy forward incoming connections, and there is no attempt to proxy UDP.
This commit is contained in:
Guus Sliepen 2012-04-18 23:19:40 +02:00
parent 84531fb6e6
commit b58d95eb29
8 changed files with 211 additions and 10 deletions
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21
doc/tinc.conf.5.in
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@ -456,8 +456,27 @@ specified in the configuration file.
When this option is used the priority of the tincd process will be adjusted.
Increasing the priority may help to reduce latency and packet loss on the VPN.
.It Va Proxy Li = Ar type Ar address Ar port Oo Ar username Oc Bq experimental
Use the proxy at the given
.Ar address
and
.Ar port
when making outgoing connections.
The following proxy types are currently supported:
.Bl -tag -width indent
.It socks4
Connects to the proxy using the SOCKS version 4 protocol.
Optionally, a
.Ar username
can be supplied which will be passed on to the proxy server.
.It http
Connects to the proxy and sends a HTTP CONNECT request.
.El
No authentication methods are currently supported.
.It Va ReplayWindow Li = Ar bytes Pq 16
This is the size of the replay tracking window for each remote node, in bytes.
vhis 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
bandwidth scenarios, setting this to a higher value can reduce packet loss from

19
doc/tinc.texi
View file

@ -1050,6 +1050,25 @@ specified in the configuration file.
When this option is used the priority of the tincd process will be adjusted.
Increasing the priority may help to reduce latency and packet loss on the VPN.
@cindex Proxy
@item Proxy = <@var{type}> <@var{address}> <@var{port}> [<@var{username}>] [experimental]
Use the proxy at the given @var{address} and @var{port} when making outgoing connections.
The following proxy types are currently supported:
@table @asis
@cindex socks4
@item socks4
Connects to the proxy using the SOCKS version 4 protocol.
Optionally, a @var{username} can be supplied which will be passed on to the proxy server.
@cindex http
@item http
Connects to the proxy and sends a HTTP CONNECT request.
@end table
No authentication methods are currently supported.
@cindex ReplayWindow
@item ReplayWindow = <bytes> (16)
This is the size of the replay tracking window for each remote node, in bytes.