Official Xelerance fork of L2TPd
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contrib Better NETBSD support. Jan 16, 2014
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doc Fixing minor spelling mistakes in xl2tpd.conf.5 and l2tpd.conf.sample Mar 30, 2016
examples Upgrade options (in global contex) according to their keyword words i… Mar 24, 2013
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.gitignore tags: remove and ignore it from repo. Aug 12, 2015
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CHANGES Update VERSION to 1.3.8rc1 Jul 11, 2016
CREDITS Updated credits Dec 12, 2009
LICENSE Revert "Add a license exception to link xl2tpd with OpenSSL" Jan 10, 2014
Makefile Handle LDLIBS carefully Jun 16, 2016
README.xl2tpd Adding info on the mailing lists Mar 31, 2016
TODO Improve xl2tpd control mechanism Apr 3, 2011
aaa.c Fixing minor spelling typo in code. Mar 30, 2016
aaa.h Revert "Patches from Fedora to use Openssl MD5 instead of our own" Jan 10, 2014
avp.c Fixing minor spelling typo in code. Mar 30, 2016
avp.h fixes for gcc 4.xx Nov 25, 2005
avpsend.c Fixing minor spelling typo in code. Mar 30, 2016
call.c Fixing minor spelling typo in code. Mar 30, 2016
call.h Place the PPP frame buffer to the call structure Jun 19, 2015
common.h change SOL_IP to IPPROTO_IP. Fixes for OpenBSD. patch by Stephen Ayotte Oct 26, 2008
control.c Fixing minor spelling typo in code. Mar 30, 2016
control.h change handle_special to return a value indicating if it frees the bu… Aug 5, 2015
file.c Fixing minor spelling typo in code. Mar 30, 2016
file.h Add local ip range option. Mar 8, 2016
ipsecmast.h * SAREF: added option "ipsec refinfo" with a new default value of 30 Oct 3, 2011
l2tp.h Update VERSION to 1.3.8rc1 Jul 11, 2016
md5.c Minor compilation fixes Mar 9, 2016
md5.h random fixes Jun 12, 2015
misc.c Merge remote-tracking branch 'origin/master' into devel Nov 25, 2015
misc.h Fix build errors caused by inline function with gcc 5 Sep 23, 2015
network.c Another one fix for control buf handling in udp_xmit Jun 21, 2016
osport.h Avoid using IP_PKTINFO with non-Linux systems Jun 18, 2016
pty.c Better NETBSD support. Jan 16, 2014
scheduler.c Patch by Shingo Yamawaki Oct 10, 2008
scheduler.h Patch by Shingo Yamawaki Oct 10, 2008
xl2tpd-control.c xl2tpd-control: show all available commands in --help. Jul 22, 2015
xl2tpd.c Avoid false-positive warning message from not smart compilers Jun 16, 2016

README.xl2tpd

URL         : https://www.xelerance.com/software/xl2tpd/
Summary     : Layer 2 Tunnelling Protocol Daemon (RFC 2661)
Description :
xl2tpd is an implementation of the Layer 2 Tunnelling Protocol (RFC 2661).
L2TP allows you to tunnel PPP over UDP. Some ISPs use L2TP to tunnel user
sessions from dial-in servers (modem banks, ADSL DSLAMs) to back-end PPP
servers. Another important application is Virtual Private Networks where
the IPsec protocol is used to secure the L2TP connection (L2TP/IPsec,
RFC 3193). The L2TP/IPsec protocol is mainly used by Windows and
Mac OS X clients. On Linux, xl2tpd can be used in combination with IPsec
implementations such as Openswan.
Example configuration files for such a setup are included in this RPM.

xl2tpd works by opening a pseudo-tty for communicating with pppd.
It runs completely in userspace but supports kernel mode L2TP. 

xl2tpd supports IPsec SA Reference tracking to enable overlapping internak
NAT'ed IP's by different clients (eg all clients connecting from their
linksys internal IP 192.168.1.101) as well as multiple clients behind
the same NAT router.

xl2tpd supports the pppol2tp kernel mode operations on 2.6.23 or higher,
or via a patch in contrib for 2.4.x kernels. Note that kernel mode and
IPsec SA Reference tracking do not yet work together.

Xl2tpd is based on the 0.69 L2TP by Jeff McAdams <jeffm@iglou.com>
It was de-facto maintained by Jacco de Leeuw <jacco2@dds.nl> in 2002 and 2003.

Mailing Lists :
    https://lists.openswan.org/cgi-bin/mailman/listinfo/xl2tpd is home of the
    mailing list. Note: This is a closed list - you *must* be subscribed to post.