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How to get 2 tunnels UP between OpenSwan and AWS?

I have a VPC and network in eu-central-1 and one in eu-west-1 in AWS. The eu-central-1 fakes my on-prem environment. There I installed and configured OpenSwan on an EC2. In in eu-west-1 I configured a ...
DenCowboy's user avatar
  • 343
0 votes
1 answer
2k views

UDP-Packets seem to get lost in IPsec tunnel from Strongswan to AWS cloud - connection works with Openswan

Use case: IOT-device connected through AWS cloud The IOT-device is behind a router that sends all traffic through aws cloud. The IOT-server can not be configured and thus is not part of the AWS cloud ...
DoRe's user avatar
  • 41
1 vote
0 answers
173 views

Trouble with routing on VPN with Openswan IPSec

Good morning, I'm having trouble configuring access to the servers through a VPN. The client can connect to the VPN perfectly, but access to the servers does not work. The conf of my connection is ...
Alexssandro Gottschalk's user avatar
0 votes
0 answers
1k views

AWS Ubuntu Strongswan IPSec VPN and Iptables configuration tunnel routing

I've muddled up my configuration. I've setup a site-to-site VPN between an AWS Ubuntu VM running strongswan, and another site. The VPN tunnel is working, but anytime I try to route traffic through ...
Unpossible's user avatar
1 vote
1 answer
11k views

IPSec tunnel fails in phase 2

We are trying to establish a tunnel between our EC2 Instance and remote Cisco 3000 series device where it is failing for Phase2. Below is the scenario: FTP Server(ec2-ubuntu) <---->VPN Server(ec2-...
Shailesh Sutar's user avatar
2 votes
1 answer
4k views

Routing between OpenSWAN / IPSEC tunnels

I am trying to connect multiple Amazon VPCs (across regions) together using OpenSWAN and Amazon VGW's. The router instance can ping to hosts in both VPCs, and traffic is attempting to cross the router,...
Jason Martin's user avatar
  • 5,113
0 votes
0 answers
2k views

OpenSwan VPN IPSEC Tunnel Connection

I was hoping this website would be able to help with solving this issue since I've been running in circles on my end! I am using OpenSwan to setup an IPSec tunnel between a VPN server on Rackspace ...
Nare's user avatar
  • 55
1 vote
1 answer
903 views

IPSec Tunnel goes down during long periods of inactivity

I have 2 AWS regions I have connected using an OpenSWAN IPSec tunnel. This works great in our production environment but in our test environment where 1 of the regions has long periods of inactivity, ...
Uberzen1's user avatar
  • 189
2 votes
0 answers
1k views

Openswan IPSec VPN on AWS tunnel established but no traffic

I am setting up a tunnel with a telco using AWS/VPC/EC2/Centos7/Libreswan and have been stuck for weeks. Appreciate any help! I have 192.168.16.73 (VPN GW, EIP 52.76.x.x) and 192.168.16.116 (...
Tai Shih Chau's user avatar
2 votes
0 answers
754 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, ...
nbriozzo's user avatar