VirtualBox

Opened 16 years ago

Closed 15 years ago

#1756 closed defect (duplicate)

Outbound VPN PPTP connections fail

Reported by: lid Owned by:
Component: other Version: VirtualBox 1.6.2
Keywords: vpn pptp nat gre Cc:
Guest type: other Host type: other

Description

I have tried to create an outbound VPN PPTP connection to a remote server on both a Ubuntu (Hardy Heron) guest and Windows (SP3) guest. On Ubuntu, this fails with

LCP: timeout sending Config-Requests

PPTPclient diagnosis page

On Windows XP, this fails with

Error 619: A connection to the remote computer could not be established, so the port used for this connection was closed.

This host is able to connect to the VPN server.

It appears that this is due to the Virtualbox's inability to pass GRE packets through its NAT. See these forum threads for more: 1 2

Change History (4)

comment:1 by Nick Harrison, 15 years ago

Regrettably this problem still persists in virtualbox ver.2.1.0 running on Debian testing with WINXPpro client trying to access SBS using the "Connect to Small Business Server" (PPTP).

So far as I can see there is no solution to this critical problem.

comment:2 by Steve Dodd, 15 years ago

Some thoughts on workarounds here - untested (by me.)

comment:4 by Sander van Leeuwen, 15 years ago

Resolution: duplicate
Status: newclosed
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