Internet Protocol Security (IPsec) is a protocol suite for securing IP communications by authenticating and/or encrypting each IP packet of a communication session.
Questions tagged [ipsec]
282 questions
5
votes
3 answers
How can you use Fiddler (or equivalent) with the emulator in the Windows Phone 8 SDK when on a domain/network that uses IPSEC?
Now that the WP8 Emulator is based on Hyper-V, the old method of using Fiddler to intercept network traffic doesn't work if the network uses IPSEC.
Is there a way to use Fiddler and a WP8 emulator in such a scenario?

Matt Lacey
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4
votes
1 answer
IPsec in Linux kernel - how to figure out what's going on
I'm writing an IPsec implementation for a microcontroller and I want to test it using a standard Linux box running Debian Lenny. Both devices should secure the communication between them using IPsec ESP in tunnel mode. The keys are setup manually…

Scolytus
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4
votes
2 answers
What are my options for adding and removing IPSec policies on Windows Server with C#?
I want to be able to add or remove IP Security Policies on Windows Server 2003 programmatically with C#.
Normally you'd manipulate these policies manaully through the gpedit.msc snap-in (under Windows Settings -> Local Policies -> IP Security…

ZeroBugBounce
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4
votes
1 answer
IPSEC tool Racoon Crashes and can't restart it
I'm using a PowerBook Pro running Mac OSX 10.6.6 (Snow Leopard). I have been connecting to a client server using the built in VPN connector for months. Yesterday my connection wouldn't connect and was timing out. I checked with other remote…

molaro
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4
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1 answer
Connect To IPSec VPN connection only inside app with swift
I created application that have vpn connection IPSec(with This tutorial)
my question is what should I do in MY CODE that every one want to connect to my vpn , only going to my application and connect to vpn(user go to setting iPhone and tap on my…

yahya
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4
votes
0 answers
Tools for monitoring users on L2TP VPN
I'm looking for some help and advice in terms of monitoring network connections to a L2TP / Ipse VPN platform Ubuntu 14.04.
My basic requirement is to get visibility of:
1) Who's logged in (over time).
2) How much data they have consumed.
A nice to…

Phil Bishop
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4
votes
3 answers
OPENSSL vs IPSEC
just a very general question, but can somebody tell me when I use openSSL and
when IPSEC to secure data transfer over the internet? It seems both of them
are doing the same, only at different levels of the network protocol. So
I am not absolutely…

Simon
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4
votes
1 answer
What is the need for creating multiple child SA in IKE V2?
In Security Association,
I understand that after AUTH exchange a child SA will be created.But what is the need to create multiple child SA's and what is the difference between an IKE_SA and CHILD_SA ?

ThunderPunch
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4
votes
1 answer
What's the point of using L2TP together with IPSec?
According to my limited understanding, IPSec authenticates peers and encapsulates/encrypts IP packets in tunnel mode.
On another hand, L2TP itself does not offer authentication/encryption, but offers encapsulation, which is already achieved by…
user972946
4
votes
5 answers
Openswan tunnel not working after network restart
I observed some strange behaviour while trying to create ipsec connection.
I configured ipsec between cisco asa and my Linux box and it works as expected. But when I restart the network service on my Linux box or restart the port on the cisco side,…

user1403360
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3
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0 answers
How to connect to an IPsec server through a Nginx UDP stream reverse proxy?
Here's the thing, I just want to use a jump server to speed up the connections to my IPsec server. So I configured Nginx to pass UDP packets as follows.
stream {
# ...
server {
listen 500 udp;
proxy_pass example.com:500;
…

Aofei Sheng
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3
votes
0 answers
How to extend VpnService to open an L2TP/IPSEC connection in android programmatically?
I am looking to implement a solution to open a L2TP/IPSEC connection from the android application so I can simply pass the server ip, pre-shared key, username and password and so the device is connected to this VPN server
I looked here…

Jad Chahine
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3
votes
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VPN client config using IPsec/L2TP using debian raspberry pi
I am setting up my raspberry pi as a VPN client using IPsec/L2TP.I am using the following guide Configure Linux VPN clients using the command line
There are several problems which I am encountring
After setting up all the settings, when I try to…

Saqib Shakeel
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3
votes
1 answer
Not able to access zabbix default port (10050) in a server that contains VPN installed
I want to monitor the server that contains VPN(strongswan) installed using zabbix.
From my Zabbix server it is not able to access the zabbix client installed in my VPN server. Is their any way to open zabbix default port 10050?
sudo ufw status…

vishnusathyanesan
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3
votes
1 answer
NEVPNManager saveToPreferences/loadFromPreferences callbacks never called
I am trying to setup a IPSec VPN connection but when I try to run
manager.saveToPreferences
or
manager.loadFromPreferences
The callback functions are never called and so I cannot start the VPN Tunnel, and "123" is never printed. The program just…

Max00355
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