VPN

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UTAPwiki/計算機

VPN setting †

Information by the School of Science: http://jimubu.adm.s.u-tokyo.ac.jp/public/index.php/VPN_connection_service

Linux

#Background#
The information by the School of Science is outdated/wrong.
"Seems there is no easy way anymore to establish a L2tp VPN connection since OpenSwan has been deprecated and removed in Ubuntu 14.10". However: "A PPA exists now for network-manager-l2tp"
(https://askubuntu.com/questions/617785/how-to-connect-to-l2tp-over-ipsec-vpn)

#Setup#
(Tested with Ubuntu 20.04.2 LTS on ThinkPad, August 2021)
1. Install the network manager:

• sudo add-apt-repository ppa:nm-l2tp/network-manager-l2tp
• sudo apt install network-manager-l2tp network-manager-l2tp-gnome
  2. From the "Network" settings, add a new VPN:
• Select "Layer 2 Tunneling Protocol (L2TP)", see picture.
  3. Fill out the "Identity" (see picture):
• Gateway: vpn.adm.s.u-tokyo.ac.jp
• Type: Password
• User name: your (10-digit) UTokyo user ID
• Password: your School of Science Password
• If you are asked for a pre-shared key (PSK) or shared secret: sos

OSX
TBD

Windows
TBD