VirtualBox

Ticket #1756 (closed defect: duplicate)

Opened 6 years ago

Last modified 5 years ago

Outbound VPN PPTP connections fail

Reported by: lid Owned by:
Priority: major 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

comment:1 Changed 5 years ago by woodelf

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 Changed 5 years ago by steved424

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

comment:4 Changed 5 years ago by sandervl73

  • Status changed from new to closed
  • Resolution set to duplicate
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