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Questions tagged [strongswan]

Strongswan is an openSource IPsec-based VPN solution

More information: https://www.strongswan.org/

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bash script that checks ping output and run a second command restarting a strongswan service

I'm new to the world of linux and scripting, The OS is Amazon Linux 2 (EC2 instance). The instance have a Strongswan Site-to-Site VPN connectivity to endpoint IP address 1.1.1.1 The problem is that it disconnects randomly and I have to run the…
starterkid
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How to insert p12 cert to strongswan profile with java?

if (profile == null) { File file = new File("cert.p12"); try { InputStream stream = new FileInputStream(file); Log.d("VAR", String.valueOf(stream)); } catch (FileNotFoundException e) { e.printStackTrace(); } …
notboberyes
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Site to site vpn using Strongswan on AWS 2 EC2 only ping works

Hi i have two AWS account i created 2 ec2 with Ubuntu 20.04 in each account. In each account one machine is setup as Strongswan and another a private instance I have completed all the configuration of tunnel security groups and AWS route table, note…
karmendra
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L2TP/IPSec VPN Connection without encryption

My ISP provided us with VPN connection that comes with Gateway IP, Username & Password. We connect through windows server 2016 fine with no issues Screenshot: Configuration of the VPN on windows Now we want to switch to Ubuntu, but we are having…
SL IM
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Azure site to site proposals with Strongswan IPSec

I'm here trying to connect a Linux Ubuntu VPC Machine to Azure Cloud network interface, only thing I can't suss out is how to config my IKE and ESP at my end to match the Below - IKEv2 Encryption | GCMAES256, AES256 IKEv2 Integrity | GCMAES256,…
Jason is a robot
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Transit gateway, two vpcs, one with vpn connection. No routing from second vpc to network behind vpn

I have a following scenario: VPC 1: 10.100.0.0/16 instance with strongswan with ipsec tunnel to 192.168.0.0/24 route to 192.168.0.0/24 through strongswan instance VPC 2: 172.16.0.0/24 Transit gateway: VPC 1 attached VPC 2 attached Route to VPC1…
Michał Lemke
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strongswan ipsec status output meaning

I have the following "ipsec status" output following a strongswan-5.9.5-2ubuntu2 configuration in Ubuntu 2204. ipsec status Security Associations (1 up, 1 connecting): d-test[2]: ESTABLISHED 5 seconds ago,…
Alex B
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Unable to Setup an site-to-site vpn connection between strongswan and AWS VPN Gateway

I have been trying to setup a site to site vpn connection between aws and my on-prem network. We have a dedicated strongswan vpn gateway in our on-prem network and aws managed vpn gateway on the aws side. Whatever I do I am unable to setup the…
Kunal Malhotra
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VPNs chain to bypass blocked VPN

I have an L2TP VPN server that is blocked in my country. Is it possible to configure middle/jump server to make a chain like that: PC -> VPN1 -> VPN2 -> Internet VPN1 is hosted by a cloud service (can be any dist). I don't have access to VPN2, just…
Igor Kandaurov
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Strongswan DNS Leak with split-tunnel

I've set up Strongswan VPN with StrongMan(web-interface manager) on AWS. It works great, my company employees can access contry-restricted site without any issues. But now I need to implement split-tunneling, because we also have to send terabytes…
TigerMax96
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[strongswan][site2site][vpn] s2s is working, but hosts in net A are not able to reach hosts in net B

I established a site to site VPN with strongswan. We have the following setup: NET A - VPN Gate A - VPN Gate B - NET B Lets assume: NET A is 10.2.0.0/24 NET B is 172.18.0.0/24 VPN Gate A is able to reach hosts in NET B. VPN Gate A has an IP 10.2.0.4…
Simon Hoenscheid
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establishing IKE_SA failed, peer not responding - Strongswan with Centos 7 [Possibly duplicate]

I've been on this VPN tunnel for over a week now and keep getting Peer not responding when I bring up the tunnel. I have Strongswan installed and I have also created 1 tunnel which is working fine and connection established, then I added a second…
Michel
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Azure Point-to-site VPN from Ubuntu

I am trying to follow Configure a Point-to-Site (P2S) VPN on Linux for use with Azure Files and configuration seems to be working without errors. When I try to connect however, it fails. The error parts that I can find say: peer didn't accept DH…
tridy
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Enable swanctl plugin of strongswan in yocto

I have compiled my build of strongswan on board successfully with deprecated version of strongswan (using stroke and charon). Now trying to configure it with swanctl and enable charon-systemd plugin but didnt get that tried same things as done for…
shoaib akhtar
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IPSec Transport Mode: build a gateway-less VPN

IPSec can be used in tunnel mode to build VPNs which connect a road-warrior to subnet of hosts through a gateway. This typically makes use of internal IP address spaces, making things complicated. Additionally, all traffic goes through a VPN gateway…
alexswerner
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