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4
votes
1answer
5k views

Site-to-Site IPsec vpn not sending ping across a tunnel

This is my first attempt at a site-to-site VPN. I chose to use IPec because it appeared to be the best solution for what I needed to accomplish. I've followed several different tutorials over the last ...
1
vote
0answers
2k views

Cannot connect to IPSEC/L2TP VPN Arch Linux/Windows 8

I have check a lot of other L2TP/IPsec VPN post and none of them seem to quite match the issues I am having so here is what going on. I am trying to set up a VPN on my Arch Linux server that I can ...
0
votes
1answer
864 views

Openswan and OpenVPN

I have installed Openswan and have configured IPSec tunnels and they work perfect until i install OpenVPN. Now i can't find out way the ping wont work. When i execute the "service ipsec status" it ...
0
votes
1answer
183 views

VPN and router pass-through

I have been having trouble with VPN on my router, so I thought that since it allowed VPN Pass-through, I would set up a VPN server on an Ubuntu box here, and pass through to that. I have set up PPTP, ...
2
votes
0answers
180 views

Openswan bad routing record after connect

I have a problem in openswan configuration. In the routing table create following lines on the client, after connect to server: Dest mask Gateway Conn Metric 0.0.0.0 ...
1
vote
0answers
325 views

Openswan and sonicwall and encryption parameters

This error leads me to investigate my encryption parameters: 003 "sonicwall" #2: ignoring unknown Vendor ID payload [...] Can some expert please have a look at tell me what is wrong? Sonic wall (...
2
votes
0answers
619 views

OpenSwan + AWS + Ubuntu 14.04 - Cannot reach server

i'm currently trying to set up a VPN in order to login into a private subnet hosted on AWS. The target host has Ubuntu 14.04 and installed OpenSwan. I've setup ipsec.conf, ipsec.secrets, xl2tpd.conf, ...
1
vote
0answers
668 views

Is it possible to do IPSec Site to Site VPN without static & public IP on one end?

I am working on a project for my engineering degree that requires me to interface with some pre-existing equipment, so I am rather limited on my options. I'm rather new to VPN and ipsec for that ...
1
vote
1answer
4k views

Openswan Cisco ASA 9.1 — cannot resopnd to IPsec SA request because no connection is known for

Ok, so I have a simple VPN IPSEC setup with a single Linux host that has a public IP address and a loopback interface of 172.16.255.1. On the right side I have a Cisco ASA 5505 9.1. the issue is the ...
0
votes
1answer
2k views

Openswan is not sending packets on new ip after DPD

I have configured tunnel with DDNS. After appliance get rebooted the other side is not sending packets on new ip-address (even i have set dpdaction=restart). I am using openswan 2.6.38. Here is my ...
1
vote
1answer
1k views

Strongswan with X.509 authentication and LDAP authorization

I would like to setup Strongswan/Libreswan with PKI authentication. Now I have searched and found only how to configure specific accepted client certificates like here: http://technikenity.blogspot....
2
votes
1answer
599 views

L2TP VPN Connection on Debian Squeeze

I need to make an L2TP VPN connection from a Debian Squeeze server. What I have is: The server IP address Shared Key My username and password Just using these 3 parameteres I can establish the ...
0
votes
0answers
565 views

Debugging IPSEC log

A Fortigate unit and a Openswan based Linux server. Tunnel is up but no data goes through. This is the log from the Forti unit: Line 204: ike 0:Brazil_VPN:2803378:19809969: responder received first ...
2
votes
1answer
5k views

openswan multiple subnets routing issue

I am trying to setup an OpenSwan(2.6.32) on CentOS 6.5 (final) to connect the remote VPC gateway on Amazon cloud. I got the tunnel up. However, only the traffic from/to the last ip range defined in ...
0
votes
0answers
74 views

Iptables being changed without rebooting

I configured a tunnel between my network and a remote network with OpenSwan. On my tunnel endpoint, running on Ubuntu, I added iptables rules to disable source NAT (SNAT) when the destination was the ...
0
votes
0answers
903 views

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,...
2
votes
1answer
6k views

How do I configure routing for an IPSEC tunnel between Openswan and RouterOS

I am trying to create a site-to-site VPN between a Linux router that runs openswan and shorewall (host A, serving subnet 10.10.0.0/16) and a MikroTek RouterBoard running RouterOS 6.3 (host B, serving ...
-1
votes
1answer
79 views

Openswan stopped writing to /var/log/secure after log deletion

I deleted the log intentionally but it seems like Openswan is not creating a new one on it's own. I tried restarting the service or even creating an empty file. Nothing works. What can I do besides ...
1
vote
0answers
277 views

IPsec connection established but xl2tpd times out

This may or may not be related to my problem with passing ipsec verify. I have configured L2TP/IPsec VPN on Ubuntu 13.04 following Ubuntu's community documentation and while IPsec connection seems ...
1
vote
1answer
5k views

Openswan + xl2tpd connections time out after a while

I have a non-NATed Openswan+xl2tpd server (Ubuntu 12.04), to which I connect with a Windows 8 behind NAT. The client loses its connection after a while of doing nothing (between 30 and 60 minutes, but ...
2
votes
1answer
5k views

Configure ipsec vpn tunnel (network to network with IKE with preshared key) on Centos 6 with openswan

I have Cisco Linksys router configured as VPN gateway (network to network) : Now I wanna configure ipsec VPN similarly on Centos 6 with openswan. I was looking in internet but have no luck (there ...
0
votes
1answer
667 views

Translating IPTables rule to UFW

we are using an Ubuntu 12.04 x64 LTS VPS. Firewall being used is UFW. I have setup a Varnish + LEMP setup. along with other things, including an Openswan IPSEC VPN from our office to the VPS data ...
5
votes
1answer
733 views

IPSec + L2TP + NAT-Traversal does not work for multiple clients behind same nat

I have recently configured a VPN server hosted in AWS EC2. Details: Centos 6.4, openswan, xl2tpd, NAT-traversal. The configuration works great for a scenario when only one user connects form a given ...
3
votes
2answers
12k views

Openswan tunnel up, but works only in one direction

I've successfully established an IPsec connection, but it works only partially. One side does not send out packets through the tunnel. It seems as if the network topology is unclear to this side. ...
0
votes
1answer
5k views

IPSEC Tunnel with OpenSwan on Ubuntu <-> CISCO Router

I have setup a tunnel between a UBUNTU SERVER linux box and a CISCO ROUTER. This is what's the topology looks like: host 1 ------ UBUNTU SERVER IPSEC <---> CISCO ROUTER ------ host 2 | ...
1
vote
2answers
2k views

Openswan tunnel to remote public NAT'd host

Need help on this VPN set-up to work. Left-hand. EC2: eth0:10.0.0.100/EIP=1.1.1.1 (ie. NAT'd IP) eth1:10.0.0.200/EIP=2.2.2.2 Peer ip/leftid: 1.1.1.1 Right-hand. Cisco: Peer ip: 3.3.3.3 ...
0
votes
1answer
147 views

L2TP/IPSec Conectivity Problems

We ar traying to establish a VPN to our office. We sucesful configured a debian server using openswan and lx2tpd. We test the conection on the local network, and established a VPN conection with the ...
0
votes
1answer
119 views

Configuring IPSec

If you look at my previous question, you'll see that I have two IP Addresses (for the remote device), to configuring our VPN Tunnel: VPN Device Tunnel Endpoint IP Address: 91.151.a.b Host(s): IP ...
4
votes
2answers
16k views

Simple L2TP/IPsec server not working (openswan, xl2tpd, Ubuntu, Windows)

I configured openswan and xl2tpd on an Ubuntu 12.04 server (on EC2) by following various tutorials/documentation which seem to largely say the same things, but most recently this one. However, my ...
3
votes
1answer
8k views

Can't get past “pending Phase 2” on OpenSWAN <-> ISA Server IPSec VPN

The issue I´m having quite a hard time configuring OpenSWAN on my Linux server (Ubuntu 12.04) to connect to an ISA Server 2004 IPSec VPN. There is apparently something wrong in the configuration that ...
1
vote
1answer
3k views

openswan and xl2tpd tunnel not working?

Since weeks i want to setup l2tp tunnel with xl2tpd and openswan in debian wheezy, the external interface is ppp0 with dynamic ip and the internal interface is eth0 with ip address 192.168.1.1. l2tp ...
2
votes
2answers
12k views

FortiGate IPsec VPN: Configuring Multiple Phase 2 Connections (Multiple Subnets)

I am trying to make an IPsec connection to a FortiGate router using OpenSwan. The FortiGate sits on two distinct subnets and I need to access both of them. In the FortiGate I have defined one Phase 1 ...
1
vote
0answers
732 views

L2TP & IPSec (OpenSwan) on Centos time out when connecting

I'm having big trouble setting up a very simple VPN. Using Centos 6. My Server Address : 61.34.26.32 (fictive) Whenever I try to connect (from iPhone5 or MacOS X) i get a connection timeout. I ...
1
vote
1answer
3k views

L2TP over IPSec VPN with OpenSwan and XL2TPD can't connect, timeout on Centos 6

I'm setting up LT2p over IPSec on my Centos 6.3 fresh install. I have iptables flushed, permit all. Whenever I try to connect, i get a 'no reply from vpn' and nothi Here's my ipsec.conf file (...
1
vote
1answer
659 views

How do I limit one connection per user for L2TP/IPSec using OpenSwan?

I've successfully set up a VPN server with openswan, pppd, and xl2tpd on Ubuntu. Everything works great, but I'm having trouble finding out how to only allow one VPN connection per user listed in the ...
0
votes
2answers
541 views

ipsec / OpenSwan VPN limit

What is the through put limit of ipsec / OpenSwan? I am connecting to a Cisco ASA I am using ipsec version: Linux Openswan U2.6.37/K3.2.22-35.60.amzn1.x86_64 (netkey)
1
vote
1answer
3k views

Centos 6.3 OpenSWAN doesn't find my connection

I've been tearing my hair off in frustration for too long and decided Serverfault might be able to help. Could anyone somehow explain this? I've reinstalled openswan/ipsec with purge multiple times, ...
2
votes
1answer
10k views

Openswan ipsec transport tunnel not going up

On ClusterA and B I have installed the "openswan" package on Debian Squeeze. ClusterA ip is 172.16.0.107, B is 172.16.0.108 When they ping one another, it does not reach the destination. /etc/ipsec....
0
votes
1answer
264 views

one client multi IPSEC server with same configuration

I am able to establish IPSEC connection between one client per server. Actually I can connect multi Ipsec server at the same time. But I have realized that when servers have same xl2tpd.conf file like ...
0
votes
1answer
367 views

Windows 7 keep internet connection after IPSec established

How I can keep internet connection after establishing IpSec connection to server? I have followed to following link to establish IpSec server http://rootmanager.com/ubuntu-ipsec-l2tp-windows-domain-...
1
vote
2answers
1k views

xl2tpd[845]: parse_config: line 13: data 'ipsec sared=yes' occurs with no context

When I executed xl2tpd I amhaving following error. # xl2tpd -D xl2tpd[845]: parse_config: line 13: data 'ipsec sared=yes' occurs with no context xl2tpd[845]: init: Unable to load config file When I ...
6
votes
1answer
5k views

Can OpenSWAN replace OpenVPN?

Background I have a working OpenVPN setup right now, where users can connect the the private network at home with their computers. However most phones only support IPSec, so I would like to offer ...
3
votes
1answer
2k views

IKE Phase 1 Aggressive Mode exchange does not complete

I've configured a 3G IP Gateway of mine to connect using IKE Phase 1 Aggressive Mode with PSK to my openswan installation running on Ubuntu server 12.04. I've configured openswan as follows: /etc/...
4
votes
2answers
3k views

Connecting to IPSec/L2tp with OpenSwan/xl2tpd from Windows7 to Amazon EC2

I am trying to connect from my Windows7 at home to my OpenSwan/xl2tpd setup on an Ubuntu EC2 instance at Amazon. It is a connection being NATed from both the client and server ends. I was following ...
2
votes
0answers
5k views

ipsec IKE phase 1 failure

I have a wireless gateway that supports site-to-site IPSec. I have configured openswan on Ubuntu Server 12.04 (left side of the tunnel) with the following /etc/ipsec.conf: version 2.0 config setup ...
0
votes
1answer
23k views

OpenSwan IPSec phase #2 complications

Phase #1 (IKE) succeeds without any problems (verified at the target host). Phase #2 (IPSec), however, is erroneous at some point (apparently due to misconfiguration on localhost). This should be an ...
2
votes
0answers
224 views

Sending L2tp/IPsec PSK client packets to OpenSwan server

I'm trying (kind of) to create VPN client, I set my server on Ubuntu using OpenSwan (L2tp/IPsec PSK). What I'm doing right now is sending packets to my server and trying to exchange my keys with the ...
5
votes
1answer
45k views

IPsec VPN site-to-site: How should I configure the ipsec.conf files on both sites to get the tunnel up?

What I am trying to do is to create a site-to-site IPsec VPN between my network and my friend's network. We both have a router and two computers on each router, with all computers running Linux. So I ...
0
votes
1answer
948 views

Debian 6 and OpenSwan does not work with iPhone as client

I have just installed OpenSwan on Debian 6.0, and configured it according to this tutorial: http://confoundedtech.blogspot.co.uk/2011/08/android-nexus-one-ipsec-psk-vpn-with.html There are many ...
2
votes
1answer
2k views

VPN iptables Forwarding: Net-to-net

I've tried to look elsewhere on this site but I couldn't find anything matching this problem. Right now I have an ipsec tunnel open between our local network and a remote network. Currently, the ...