Re: [Vtun-Users] vtund using udp behind nat
Status: Inactive
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From: Artur R. C. <ar...@he...> - 2004-09-29 22:58:01
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On Wed, Sep 29, 2004 at 12:56:24PM -0700, Dale Fountain wrote: > A stateful packet inspection firewall should handle UDP connections just > fine. Either yours is several years old, misconfigured (or is it > intentional?), or possibly broken. The firewall should see that a UDP > packet is traversing outbound and then open a "crack" to allow UDP packets > from that outbound IP address to the source port of the machine on the > inside of the firewall. There's no knowledge of VTun's protocol needed. Wrong. Remember, that vtun in UDP mode works in a way similar to active ftp. Cheers Artur -- http://42.pl/url/813 - uaktualniane: 2004.09.21 |