Internet Protocol Security (IPsec)

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Strongswan IPSEC configuration and certificate problem

am trying to establish an ipsec tunnel between host-to-host pc. I'am able to configure the ipsec.conf but the cert. & key i created using openssl are not working. I'am using 2 virtual box linux pc ...
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IPSec Offload support in 82576GB controller for Linux

Due to migration of servers to cloud computing, we bought several NICs that support mechanisms like SRIOV and VMDQ. Furthermore, as security risk was also a concern and we did not want to create more ...
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L2TP/IPSec VPN configuration for Ubuntu 13.10 Desktop

My first question here, and I hope someone can help me out. I manage an Astaro/Sophos ASG220 UTM9 fw 9.106-17, and I have an L2TP\IPSec VPN object configured using a pre-shared key for ...
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can't ssh using l2tp-ipsec-vpn on 13.10

I am connecting to my office using l2tp-ipsec-vpn v 1.0.9 on Ubuntu 13.10. The connection succeeds, and i can ping to internal servers at the office, however when i attemp to ssh to these servers the ...
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IPsec works on iOs but not VPNC

I have an Amahi home server running on my home network with an IPSec VPN server running on it. The server is configured in pre-shared key mode. It is behind a FIOS router and UDP ports 500 and 4500 ...
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how to connect to ipsec VPN using Ubuntu 13.10

I used L2TP IPsec VPN Manager until upgrading to 13.10 It worked previously. But now it does not work. The ipsec server (Fortigate firewall, logs everything as just fine, then says the client ...
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108 views

Why do I get permission denied error when configuring IPsec on Ubuntu?

When I try to edit the ipsec tools I get the permission denied error. $ /etc/ipsec.conf bash: /etc/ipsec.conf:permission denied. How can I solve this problem?
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Openswan's ipsec verify fails on “Two or more interfaces found, checking IP forwarding”

I'm trying to set an L2TP/IPsec VPN. I have installed openswan from the repository on Ubuntu 13.04 Section: universe/net Architecture: amd64 Version: 1:2.6.38-1 and configured it following the ...
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194 views

Aruba VPN configuration for Ubuntu Server 12.04

I need to configure VPN client for Aruba Intranet Access. Aruba provides VPN clients only for Windows, Mac and Android not for Linux. May be someone can help me to configure Linux server? Thank you ...
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IPSec L2TP VPN server on Ubuntu; IPsec SA established, but tunnel doesn't work

I want to setup a L2TP VPN on Ubuntu Raring (13.04) in order to connect to my home network. I was able to successfully establish IPSec SA but tunneling doesn't seem to be worked :( I have disabled ...
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5k views

how do I connect to a VPN with ipsec?

I created a config file for my FritzBox 7390 after this german tutorial Now I want to configure my Network-Manager but there is no option for ipsec. Do I need additional packages? I tried to ...
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IPsec & cypharing algorithm Linux Ubuntu

What is the package that contain the implementation of IPsec and what is the package that contain the implementation of cypher algorithms that IPsec uses for enctiption?
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Can I have ipsec-tools working for non standard ports?

I was trying to set up a manually-keyed connection via ipsec-tools between two ubuntu 12.04 servers, following this simple tutorial, but one of that two servers, has just a range of ports 3000 .. 3100 ...
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1k views

What am I doing wrong with racoon on ubuntu precise?

I have a working racoon ipsec vpn setup on an ubuntu lucid server. To set it up, I just did an apt-get on the ipsectools package and configured the racoon.conf file. If I take the exact same steps, ...
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Do I need to install a package (openSWAN or strongSWAN maybe) to use ipsec?

I want to connect to a windows share that only accepts ipsec transport mode. I have a list of security policies and a shared secret. I've skimmed through the man page on ipsec.conf on the web and it ...
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4k views

How do I get KLIPS or NETKEY on 11.10 server?

I'm attempting to run OpenSWAN on my Ubuntu11.10 server. All I've done so far is install openswan from the package manager and attempt to set up conf files. However, IPSec support seems to be broken, ...
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2k views

How to setup IPSec with Amazon EC2

How to setup an IPSec connection from my ubuntu laptop to Amazon EC2 instance? I tried setting it up using elastic IP and VPC with the following openswan configuration but it is not working. conn ...
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2k views

Creating TUN device for IPSEC

Is it possible to create a separate device (like tun made by openvpn) for ipsec? If yes how can I do it?
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OpenVPN vs. IPSec - which one is faster for tunneling?

Complexity of installation of IPSec is not an issue. I would like to know which one will provide a faster connection for tunneling.