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It's easy enough to get a pptp client going on a Ubuntu 9.04 (Jaunty) desktop: 

sudo apt-get install network-manager-pptp

However, I can't seem to find documentation find a corresponding L2TP client to connect to our Windows VPN server at work remotely. I have a certificate from our offline CA (pkcs12 format with the public/private keys + CA public cert in one file), and in Windows I'd simply install via the MMC certificates snap-in, choose L2TP connection in the native client, and I'd be good to go.

Anyone have any ideas about setting up L2TP in Ubuntu? Or should I just use PPTP -- my understanding is that it's much less secure than L2TP, but is that still true? Will I need to ensure EAP authentication if I do stick with PPTP? Thanks in advance.

nedm
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  • In 2018 you can use `network-manager-l2tp` - see my [answer / notes here](https://serverfault.com/questions/344768/strongswan-ipsec-ubuntu-ignoring-informational-payload-type-no-proposal-chosen/901183#901183). – Stuart Cardall Mar 12 '18 at 10:59

3 Answers3

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Try this guide, pretty comprehensive: http://www.jacco2.dds.nl/networking/linux-l2tp.html

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I can't tell you much, here is the a package for doing l2tp and here is a howto that make be able to help you.

Zoredache
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  • Haven't been able to get it to work yet, but I think this is as good as it gets. Wishing for a "network-manager-l2tp" but not holding my breath. – nedm May 27 '09 at 17:03
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In 2018 you can use network-manager-l2tp - see my answer here for connecting to a Windows VPN server from Linux.

Stuart Cardall
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  • This only shows you how to connect via PSK but this question is about connecting using certificate authentication, any idea if network-manager-l2tp even supports it as I've been struggling with this myself – Snipzwolf Jul 28 '19 at 10:20