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[ale] OpenVPN test
- Subject: [ale] OpenVPN test
- From: cfowler at outpostsentinel.com (Chris Fowler)
- Date: Thu, 26 Aug 2010 16:42:54 -0400
- In-reply-to: <[email protected]>
- References: <1282781981.1803.37.camel@cfowler-desktop> <[email protected]> <1282787148.1803.76.camel@cfowler-desktop> <1282790198.1803.77.camel@cfowler-desktop> <[email protected]> <1282834300.2288.9.camel@cfowler-laptop> <[email protected]> <1282838575.2288.26.camel@cfowler-laptop> <[email protected]>
I'm confused about udp vs tcp and how it behaves with NAT. The OpenVPN
server is on a public network with a public IP. The workstation is
WindowsXP in VirtualBox double natted (host, and my firewall). When I
use UDP I execute this command on the Windows host
route add 10.0.9.0 MASK 255.255.255.0 10.0.9.229
I can _not_ ping 10.0.9.1. If I use protocol TCP I can ping 10.0.9.1.
So does the proto UDP only work if both hosts have a real address and
not a private one behind a NAT box?
I estimates that 99% the server and the client will both be behind
firewalls and on private networks.