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openswan - computing tunnel count?

When I do an /etc/init.d/ipsec status I see: pluto pid 10435 12 tunnels up some eroutes exist Question is how can I compute ahead of time how many tunnels will exist? I have one site-to-site that ...
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14 views

openswan inside a lan

I need to create an encrypted channel between two computers inside a lan using openswan, so I can show how the encrypted traffic is using wireshark. I installed openswan in both computers (running ...
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8 views

openswan ipsec tunel configuration

Its posible create ipsec tunel from SERVER1 to internal FTP. (i.e only for application on SERVER1) ? Network scheme: (private APP) (SERVER1 PUBLIC:1.1.1.1) ----------------------- ------- ...
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16 views

amazon ec2 instance going to a remote ip using openswan tunnel is up but no traffic being established on the remote ip

I having establishing a vpn tunnel to a remote peer/public ip using amazon ec2 openswan. The tunnel is up but no traffic has been seen on our side or the remote side? Is there I been missing? Please ...
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22 views

Openswan malfunction since update

For security reasons i performed and update from a previous version of openswan to U2.6.32/K2.6.18-194.el5 (netkey) Since that moment i've been experiencing constant tunnel drops, i've checked the ...
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1answer
48 views

How to deny connections to xl2tp without ipsec encryption?

I try to setup l2tp+ipsec server for my mobile use and my home router use. So I made some setup and checked it works fine from android device. I see encryption on ipsec --status. My system is CentOS ...
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76 views

Connect Multiple Users Behind same NAT l2tp/IPsec

I have installed OpenSwan on CentOS 6, the clients connection to the server is successful and when i direct my browser to http://whatismyipaddress.com on the client it shows the public ip of the ...
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38 views

Openswan and Cisco ASA

i have post this same question on "Unix & Linux" but iv got no answer and will delete from there but ill try here too. I need this as soon as possible to solve it or at least to find out what is ...
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35 views

ClearOS OpenSwan to Linksys RV042 VPN not encapsulating packets

I have a big problem which prevents our IP Phones to be working properly for a week now; Our old DFL-210 fried during an electrical event. It was doing an IPSec VPN with our remote site via their ...
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1answer
39 views

IP Addresses over IPSec

I've got four hosts setup as follows: I've got an IPSec tunnel via OpenSwan over the internet between Servers B and C. Servers A and D are configured to route traffic to the other via B and C ...
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141 views

Clients cannot connect to L2TP server on Ubuntu 12.04 & 14.04 LTS

I am trying to set up a L2TP/IPSec server on AWS with instance running Ubuntu 14.04LTS. I followed the instructions that I found here : https://raymii.org/s/tags/vpn.html. I tried to use 12.04LTS ...
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106 views

Creating redundant IPSec connections using OpenSwan

I have a linux (netkey) instance with openswan installed, the instance has two connection to the same IPSec peer that needs to act as redundant connections. both connections' properties are the same ...
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53 views

Openswan not updating the routing table

I have problems to find solution about this. I have Openswan and ASA configure IPSec VPN tunnel and the connections is established and working but with some little problems. The topology is looking ...
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0answers
114 views

Openswan ip tunnel not passing traffic

I had this tunnel already working, but now I needed to add two more ips 10.50.240.48/28 and 10.50.96.0/20. I set up my left and right and leftsubnets and rightsubnets properly in the openswan config. ...
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1answer
77 views

IPsec VPN Site-to-Site: Unable to reach hosts on same subnet as gateway

I am trying to bridge an office network with an Amazon VPC cloud network. So far everything seems to be working, except that I cannot reach servers on the same subnet as the cloud gateway. Office ...
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174 views

OpenSwan IPsec connection drops after 30 seconds

I'm trying to connect from my Linux Mint 16 box to a CloudStack server through IPsec L2TP. Building up the connection works (pings work across the tunnel). However 30 seconds later the IPsec tunnel ...
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82 views

Site to Site VPN - Openswan and CISCO A2A

Below is the diagram that the VPN connection between Openswan server and CISCO A2A. http://i.stack.imgur.com/yQBSw.jpg client A and B are remote hosts with static ips. client X and Y are behind the ...
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90 views

openswan slow initial iperf tests

I have some working tunnel servers and although they appear to work, I'm concerned about the results of some performance tests I've been performing. The results look much like this: ...
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210 views

racoon server (debian) with openswan client (ubuntu) l2tp-ipsec-vpn - ppp mess up routes

may somebody could help me, I've setup l2tp-ipsec-vpn, it works just with little problem, but PPP pushes new routes, when in config file it's disable (nodefaultroute), even it doesn't delete original ...
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348 views

Multiple Windows clients behind a same NAT gateway cannot connect to L2TP/IPsec VPN server at the same time

I have set up a L2TP/IPsec VPN server on a cloud VM (with a public IP address) running CentOS 6.5 (kernel: 2.6.32) with openswan/xl2tpd (openswan: 2.6.37, xl2tpd: 1.3.6). However, if multiple Windows ...
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1answer
635 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 ...
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1k 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 ...
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1answer
419 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 ...
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1answer
65 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, ...
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89 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 ...
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124 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 ...
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0answers
401 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, ...
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1answer
214 views

xl2tpd doesn't connect and no logs with Openswan

I'm using Openswan and xl2tpd to set up a VPN connection for a Windows computer, everything looks perfectly configured and the IPSec connection is successful : STATE_QUICK_R2: IPsec SA established ...
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232 views

Openswan sessions hanging with multi user VPN configuration (ipsec/l2tpd)

I've got a linux box running openswan and xl2tpd. It's a simple configuration with multiple users connecting using a sharedKey, and then establishing an L2TP connection with PPPD providing the ...
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0answers
226 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 ...
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135 views

Openswan is not restaring

I am configuring new ip-address in configuration file /etc/ipsec.conf & restarting Openswan. But, It struck & not started. Here is my logs: Apr 26 18:02:16 (none) authpriv.warn pluto[11631]: ...
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1answer
2k 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 ...
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1answer
567 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 ...
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1answer
395 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: ...
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66 views

NO_PROPOSAL_CHOSEN error while connecting

crypto isakmp policy 1 encr 3des authentication pre-share group 2 ! crypto isakmp client configuration group vpn key cse123 pool SDM_POOL_1 acl 100 netmask 255.255.255.0 crypto isakmp ...
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284 views

OpenSwan VPN Connected but can't ping or connect to anything on right side

On my end is an Ubuntu AWS EC2 VM and on the other end is a Cisco ASA 5500 router. Phase 1 and Phase 2 come up but I cannot access anything on the other end. It would seem there's a routing problem, ...
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1answer
218 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 ...
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267 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 ...
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1answer
902 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 ...
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1answer
259 views

What is the simplest open source Linux VPN software/configuration with Windows Clients?

I used Strong Swan (server/client cert) server before with a Windows 8.1 client base and it was a nightmare to configure (that's an understatement). The documentation was poor. I read books on ...
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56 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 ...
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0answers
477 views

iPhone fails to connect to Openswan IPSec

An iPhone client fails to connect to a IPSec VPN powered by Openswan on Debian with xl2tpd and ppp. The iPhone itself keeps telling after some time "Server not responding" and /var/log/auth.log says ...
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0answers
575 views

Route all traffic through IPSec VPN with ZyWALL USG 100 and OpenSwan

i want to route all traffic from our ZyWALL USG 100 through an IPSec tunnel. I was able to establish a connection from the ZyWALL, but now i have no idea how i can route the traffic through the ...
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468 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 ...
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1answer
3k 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 ...
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1answer
43 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 ...
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0answers
166 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 ...
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1answer
2k 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 ...
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1answer
3k 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 ...
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1answer
304 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 ...