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Questions tagged [openswan]

129 questions
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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, and all works as expected, but for better…
Brett
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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 configuration: config…
Brijesh Valera
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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 quick-mode message Line 205: ike…
JustAGuy
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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 remote network. Packets sent from my network to…
mdef
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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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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 center. A second in house Ubuntu box is to act as…
Dario Fumagalli
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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 | | | | …
Pablo Santa Cruz
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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 server. The problem is, outside the office, I…
EsteveBlanch
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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 address(es) to be accessed (Public IP address…
Mahdi
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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)
Robert
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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 following [global] ipsec saref = yes …
Ahmet Karakaya
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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…
Ahmet Karakaya
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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 IPSec-only connection. I am using OpenSwan on…
XXL
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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 similar documents, and even though I change some of…
mahonya
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Replace a Cisco VPN IPSec concentrator with an Ubuntu-box

Is it possible to replace a Cisco VPN IPSec concentrator with Ubuntu and for instance Strongswan? 1) Do Strongswan implement the same protocolls that Cisco uses? 2) Can we retrieve keys from the Cisco concentrator and import them to the Ubuntu-box,…
Anders Wallenquist
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