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Questions tagged [l2tp]

Layer 2 Tunnelling Protocol is a layer 7 networking protocol which provides an unsecure layer 2 tunnel. It runs on top of UDP, and is commonly used to carry PPP sessions. Security is usually provided with the addition of IPsec.

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How can I configure IPSec on Windows 2012 R2 to use Pre Shared Key compatible with Android phones?

Our company has to comply with the mandate that all mobile phones use L2TP or IPSec VPNs when using untrusted Wifi or GPRS connections... namely to protect from MITM attacks. Were also interested in preventing the decryption of A5/2 or A5/3 mobile…
makerofthings7
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L2TP within local network not working

i can't connect to my vpn server when i'm in the same network and use the external ip address to connect. It seems like the server doesn't receive any traffic. When i'm outside the network OR use the local ip of the vpn server it works. Can someone…
Leonardo
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Cannot connect to VPN on Server 2012

We run a small business and have a server that runs our VPN on Windows Server 2012. Our VPN was working fine until we restarted our router and it seems that restart procedure broke the VPN. We are not sure if it is a coincidence or not. At this…
user214318
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Site to site IPSec VPN between Server 2012 and USG 50

I am looking to setup an IPSec VPN server in our organisation using a Windows server 2012 machine with remote access and routing installed. I would then like to perform a site to site IPSec VPN connection between our remote offices and our central…
James Edmonds
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OS X Server ignoring static VPN IP request

I've just enabled the VPN service on OS X Server, everything is working fine however we are facing one issue. All of our clients (about 30 iMac's) are connecting to the VPN with a static IP however OS X server returns another IP, this is a huge…
Timothy
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WIndows 8.1 VPn stops working

I am having a problem that every day i have to re-install my cisco VPN client because it will not work. I can connect and the routes get published to by computer, but i can not ping anything on the remote network. This issue also affects my Windows…
Travis
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l2tp vpn is disconnected after few minutes

I installed IPSec/L2TP on my vps server. I tried to connect from my mac to this VPN server. First time, connection is succeeded. But after a few minutes, connection was broken by itself. After this, I tried to connection again and connection was…
Albert
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L2TP connection error via Windows 8 client

When I try to connect to an L2TP server via Windows 8 client I receive error 789:The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote... But I have no problem while…
AVEbrahimi
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StrongSwan + xl2tpd client timeout between 2-5 minutes

I run CentOS 6.4 on Amazon EC2, using xl2tpd-1.3.1 from EPEL repository together with StrongSwan 5.0.4. I setup a simple IPSec connection: conn l2tp type=transport keyexchange=ikev1 rekey=no authby=psk leftsubnet=0.0.0.0/0 …
Howard
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Configure RRAS to send DNS search domain to Mac L2TP VPN client

Is there any way to make RRAS send the default search domain (ie the connection's search domain, the FQDN of the domain in question) to Mac clients who connect via L2TP? Or is this something that just has to be configured on each connecting client?
tacos_tacos_tacos
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SonicOS Enhanced 5.8.1.2 L2TP VPN Authentication Failed

I have a SonicWall TZ 215 running SonicOS Enhanced 5.8.1.2-6o. I have configured the L2TP VPN using the default crypto suite ESP: 3DES/HMAC SHA1 (IKE). Proposals are as such: IKE (Phase 1) Proposal DH Group: Group 2 Encryption:…
sardean
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718 error number while connecting to server

i have configured nttac+ to my server and set authentication to radious server , but when i want to connect to my server through l2tp i get 718 error number ! log file of nttac is : #24-02-2013 19:09:20# RAD_ATHN…
moslem
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Installing VPN servers that support PPTP, L2TP and openVPN protocols

Looking for VPN Server that support PPTP, L2TP and OpenVPN Protocols, also these servers must use the same data base so each account created on any of these servers must work across all the other connected servers.
droidlabour
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How to setup VPN Client in Microsoft 08 R2

We need to get a VPN connection setup with a client. I am mostly a software guy and networking is beyond my scope. We have been provided the peer IP address and the NAT of the local machine we will be hitting on their end. We were also sent a PSK…
user137882
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Have some questions about setting up a VPN to my private cloud servers

TLDR: I wish to VPN to our cloud servers. Is there any free VPN server software that runs on W2K8? No, I don't want to : Download 3rd party software for the -clients- (We want to use the built in VPN client software in Windows 7) Use the VPN…
Pure.Krome
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