VirtualBox

Ticket #10846 (new enhancement)

Opened 3 years ago

Last modified 4 months ago

GRE protocol support for VPN working over NAT

Reported by: trollix Owned by:
Priority: major Component: network/NAT
Version: VirtualBox 4.1.20 Keywords: GRE, NAT, VPN
Cc: Guest type: all
Host type: all

Description

Please add GRE Protocol support. Dont say,that its impossible! VmWare Workstation(not Player) has it! VPn works great over NAT in VmWare Workstation(not Player). But I like VirtualBox much more. VirtualBox sometimes work much,much faster,then VmWare Workstation. I dont want to use VmWare instead of VirtualBox. I know that thousands of people asked you for adding this protocol. Please hear/listen us!

Change History

comment:1 Changed 3 years ago by DNS

This should be labelled as an enhancement not a defect. I can't really vouche for its usefulness anyhow.

comment:2 Changed 2 years ago by frank

  • Priority changed from critical to major

comment:3 Changed 8 months ago by vushakov

  • Type changed from defect to enhancement

comment:4 Changed 4 months ago by Sven

Is there hope on getting GRE support in VirtualBox's NAT?

BTW: A workaround is to use bridged networking.

comment:5 Changed 4 months ago by klaus

Very little. The NAT engine in VirtualBox is purely done by mapping the traffic to the unprivileged socket API, which only supports TCP/UDP.

Which VPN products work only with GRE?

From what I can tell it's mostly the obsolete PPTP stuff (see  https://www.schneier.com/pptp-faq.html). L2TP/IPSec definitely can deal with TCP/UDP transports (GRE is just one of many options), SSTP is TCP based, and OpenVPN can deal with both TCP and UDP.

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