Questions tagged [l2tp]

In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Rather, it relies on an encryption protocol that it passes within the tunnel to provide privacy.

In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Rather, it relies on an encryption protocol that it passes within the tunnel to provide privacy.

70 questions
2
votes
1 answer

Can`t connect to VPN using nm-l2tp-service

I using Centos 7 machine and want to connect to l2tp VPN using nm-l2tp-service: Output of service: [gefalko@localhost ~]$ sudo /usr/libexec/nm-l2tp-service --debug nm-l2tp[20335] nm-l2tp-service (version 1.2.10-1.el7) starting... nm-l2tp[20335] uses…
Edgaras Karka
  • 7,400
  • 15
  • 61
  • 115
2
votes
1 answer

Implementing PPTP/L2TP Protocols on Android +14

I am working on an Android app using Android Studio v 1.4 and the minimum sdk version is 14 and what I am trying to do is building a simple VPN client that implements PPTP and L2TP protocols. I have googled and searched here in Stack Overflow and I…
Waxren
  • 2,002
  • 4
  • 30
  • 43
2
votes
0 answers

Cannot access some websites over PPTP (VPN)

I cannot load some websites over PPTP but I can load these websites over L2TP. For example, I cannot load http://speedtest.net over PPTP... The MRU and MTU are the same for these two protocols : 1400. The VPN servers are installed on my VPS. Anyone…
dev2lead
  • 83
  • 2
  • 5
2
votes
0 answers

L2TP/IPSEC PSK Application for Android using C# and DotRas

I have been searching for couple months and still didn't get the solution to build a VPN application using L2TP/IPSEC PSK using Android native language. I tried ToyVpn but didn't see how you pass username and password to server. I didn't tried…
vintry
  • 301
  • 3
  • 9
2
votes
2 answers

L2TP/IPSec NAT issue

I am a little confusing. A(L2TP/IPSec VPN server ) ---- B(router) ------ (internet) ------- C(router) ------ D(client) Can a L2TP/IPSec VPN server(A) behind NAT,serve clients(D) behind other different NATS? Can the IKE message corrected be routed to…
sinopec
  • 851
  • 1
  • 9
  • 16
1
vote
0 answers

Can't connect to L2TP VPN from Docker

I'm just starting out in docker and have absolutely no experience in server setup, I want to ask one thing I want to hit a endpoint IP, let's call that 1.2.3.4 but when i want to hit that, first of all i must connect to some L2TP/IPSec VPN, let's…
Misdan
  • 149
  • 1
  • 5
  • 15
1
vote
0 answers

Create L2TP/IPSec VPN Client in Android Programically

I am working on an Android app using Android Studio and what I am trying to do is building a simple VPN client that implements and L2TP protocols. I have googled and searched here in Stack Overflow and I have looked at the Android SDK VPN sample…
Noman Aziz
  • 75
  • 1
  • 7
1
vote
0 answers

problem in connecting client to L2TP server

I've the MIKROTIK router on KVM. after transfer MIKROTIK to new server and change the router IP my client can not connect to the server. and in the server log file show me this error: phase1 negotiation failed due to time up…
abbas derafshi
  • 307
  • 1
  • 11
1
vote
0 answers

SoftEther VPN PC-to-LAN on WinCE, without using Bridge

I need to connect from a client PC to a LAN, using a VPN thru a Windows Compact Embedded 7 Panel PC. I'm using SoftEther and the server is hosted on an external VPS (I use this infrastructure to take advantage of hole punching). I decided to use…
iba
  • 503
  • 4
  • 16
1
vote
0 answers

l2tp/ipsec client-vpn docker on macos cannot connect vpn-server,note:"we require IKEv1 peer to have ID 'xxx.xxx.xxx.xxx', but peer declares '%any'"

ipsec.conf version 2.0 config setup conn L2TP-PSK authby=secret pfs=no auto=add rekey=no left=%defaultroute type=transport leftprotoport=17/1701 rightprotoport=17/1701 dpddelay=15 …
Susan
  • 11
  • 1
1
vote
2 answers

Need create VPN connect L2TP on osx

Need create VPN connection L2TP on osx without Shared Secret NSString *server = @"serverIP"; NSString *username = @"user"; NSString *password = @"pass"; const void* passwordData = [[password…
Eugenie
  • 131
  • 1
  • 2
  • 11
1
vote
1 answer

Creating a VPN connection in PowerShell

I'm using the following PowerShell command to create VPN Connection for the native Windows VPN client Add-VpnConnection -Name "VPN" -ServerAddress "vpn.randomdomain.com" -TunnelType L2TP -L2tpPsk "SuperSecurePassword" -Force -AuthenticationMethod…
Hardcore Hartley
  • 51
  • 1
  • 1
  • 5
1
vote
1 answer

Is it possible to get a username form a VPN (L2TP/IPSec) connection?

I am currently maintaining web applications available from a secure network. My users connect to the network within a VPN connection using L2TP/IPSec, to which they authenticate using their user id and password. When they access the web…
Greg Graham
  • 473
  • 7
  • 18
1
vote
0 answers

How to reset RAS Entry status in Windows CE 5?

I'm developing a Windows CE application which is a Network Connector using C#, .NET Compact Framework 3.5. Installed OS is Windows CE 5. The app is for 3G Network and VPN Connection. It makes the device on 3g network after then VPN. The problem is…
JeongjinKim
  • 182
  • 1
  • 2
  • 10
1
vote
2 answers

PfSense Fedora L2TP VPN stop traffic flow on HTTP hit

I have configured L2TP VPN on PfSense 21.05-RELEASE (amd64) and fedora 33 as client, once VPN is connected I can ping remote host but as soon as I tied to hit HTTP traffic VPN stop flowing traffic. In TCP dump can see outgoing traffic but no…