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IP Networking

VPN Issue

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Special Forums IP Networking VPN Issue
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Old 03-02-2004
VPN Issue
Hi all

I wish to connect to my works network via a vpn which they have setup. the only trouble is it is more windows friendly than unix. By this I mean connecting via windows everything is automatically setup (routes etc) - not so with linux. I am a relative newbie with respect to vpn routing so would appreciate any help.

It is my understanding that when creating a vpn tunnel the client side and server side usually end up on the same network and then u just have to add a route to see the clients behind the server (done this before)....however when I start my tunnel I connect fine but end up with a client address of 10.x.x.x and a server address 193.x.x.x so I have both ends of the tunnel on what looks like totally differnet networks. so how do i route between the two? Everything thus far has failed - not so much as a ping. I have removed the default gw (provided by my isp) and substituted for my end of the tunnel - nothing . If any of this sounds vaguely familiar to anyone I'd appreciate any pointers. I am running slackware 9 - I can offer more info if anyone has any ideas

many thanks

many thanks
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LEARN ABOUT DEBIAN

secvpn

SECVPN(1)						      General Commands Manual							 SECVPN(1)

NAME

       secvpn - Control the Secure Virtual Private Network

SYNOPSIS

       secvpn [-v][-n][-s][-r] start|stop|routedel|routeadd|test|status [Host]

DESCRIPTION

       Secvpn builds a virtual private network (vpn) as defined in /etc/network/secvpn.conf. The vpn uses encryption based on ssh security.

       Before secvpn can be used you have to create some prerequisites.  See PREREQUISITES below.

       The following subcommands may be used with secvpn:

       start  is  used	to start the vpn. Secvpn will add new ppp interfaces necessary to make the vpn work, but will not automatically add routes
	      (see the routeadd option below). If the recursive option is set, secvpn will log into the passive hosts and run "secvpn -r start" on
	      them too.

       stop   is used to stop the vpn.

       routeadd
	      is  used	to  setup new routing entries based on secvpn.conf. Secvpn will first add the route active->passive, then tell the passive
	      host to add the route back.  The route in the passive host will be added according to the configuration file there (in  the  passive
	      host), so if the configuration files differ, things will not work.

       routedel
	      will delete the routing entries built with routeadd.

       test   checks whether the ppp interface is used to reach O_CRYPT_IP.

       status same as test, but checks all vpns if no host is named (instead of only active vpns as 'test' does).

OPTIONS

       -v     verbose output

       -n     do nothing

       -s     be silent

       -r     work recursive

PREREQUISITES

       Before  secvpn  can  be used you have to enable passwordless ssh access for user "secvpn" from the initiator secvpn pc to the target secvpn
       pc. Use authorized_ keys or RhostsRSAAuthentication with the .shosts file. Have a look to the ssh - manpages for more information.

       Before secvpn can be used you have to give root rights for specific commands to the user "secvpn". This can be done with the followin  com-
       mand:

	       echo "secvpn  ALL=NOPASSWD: /usr/sbin/secvpn, /usr/sbin/pppd" >>/etc/sudoers

       Before secvpn can be used you have to edit /etc/secvon.conf. See secvpn.conf(4).

EXAMPLES

       There are 3 examples in /usr/share/doc/secvpn/examples:

       Example1: secvpn acts as router connection 2 subnets

       Example2: secvpn having one lan-card and connect 2 subnets

       Example3: secvpn having one lan-card and connect 11 subnets in a tree structure

OTHER

       To  have  real  security  it  is  necessary to secure each secvpn host and to have firewalls on each secvpn host allowing only selected IP-
       Adresses and Ports to pass through the VPN.

AUTHOR

       Bernd Schumacher, HP Consulting, HEWLETT-PACKARD GmbH, Bad Homburg, 2000-2005

COPYRIGHT

       Copyright: Most recent version of the GPL.

       On Debian GNU/Linux systems, the complete text of the GNU General Public License can be found in "/usr/share/common-licenses/GPL".

SEE ALSO

       secvpn(1) secvpnmon(1) ssh(1) timeout(1) secvpn.conf(4)

secvpn								    August 2000 							 SECVPN(1)