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Virtual IP Pool for NAT with StrongSwan VPN

I'm trying to wrap my head around a site-to-site VPN configuration using StrongSwan that will allow remote sites to connect to our AWS VPC. The catch is, the remote gateways will potentially be using ...
2
votes
1answer
70 views

AWS StrongSwan IPSec VPN

I've been playing around with StrongSwan recently as a replacement to Amazons VPN which cost money. I'm having trouble completely configuring a IPSec tunnel between a remote server and a Ubuntu EC2 ...
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0answers
13 views

strongSwan on Angstrom

My problem is to establish a VPN tunnel between cRIO 9068 and a Cisco router. To accomplish this task I was planning to install strongswan on cRIO (opkg install strongswan). I have installed it on ...
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0answers
51 views

Strongswan transport mode ipsec within subnet

Is there any way to configure strongswan to automatically start encryption to a given subnet rather than specific host? For example, if I know that my hosts at w.x.y.z/28 will be have the same PSK ...
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0answers
26 views

strongSwan IKEv2 external authentication

I use Linux IPSec VPN-server based on strongSwan 5.2.1 with eap-mschapv2 authentication using passwords in ipsec.secrets file. Now I need to add one more VPN-server for the same users and I want to ...
0
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1answer
300 views

No traffic routing between Cisco CSR1000v and Strongswan IPSec end points on AWS

I am trying to configure a Cisco CSR1000V on AWS to create an IPSec VPN with Strongswan 5.1.2 (on Ubuntu 14.04) on another AWS machine. I can establish the VPN from the Strongswan end and it appears ...
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1answer
80 views

Strongswan to OpenBSD isakmpd IPSec VPN

At my end I have a StrongSwan installation, connecting to an IPSec VPN hosted by an OpenBSD box running stock isakmpd. The OpenBSD box already hosts multiple other associations, but the StrongSwan box ...
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0answers
41 views

Strongswan + Iptables: rules for INPUT chain?

I'm struggling to adapt my firewall to restrictively allow VPN traffic of a Strongswan installation. The problem seems to be with the INPUT chain: if I add saddr $VPN_PARTNERS ACCEPT, then it works ...
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0answers
42 views

Dropped TCP Packets over two-stage IKEv2 VPNs

Something of a weird setup this: There are two Virtual Private Clouds (10.100.240.0/20 = prod1 and 10.101.0.0/24 = control), which have a valid router between them. Control hosts a VPN that is meant ...
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0answers
229 views

Centos and Strongswan

I'm trying to implement a strongswan solution for a site to site tunnel between me and a third party vendor. My tunnel establishes fine between myself and the vendor however I am wondering if this is ...
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0answers
288 views

Missing iptables rules for Strongswan routing for VPN for phone

I have a Centos 6.6 VPS out on the Internet that has a public IP. I have installed StrongSwan 5.1.3 to allow my BlackBerry10 phone to connect from hotspots and use the VPS' connection. The VPS' IP ...
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0answers
297 views

How to debug IPsec L2TP authentication failure (Ubuntu StrongSwan client to Windows Server 2012)

I'm trying to connect via IPsec L2TP to a Windows Server 2012 server. Both the clients and the host are behind a NAT. I can connect from a Windows 7 machine without any problems, but when trying to ...
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0answers
91 views

How to configure strongswan to support iOS mobile devices?

I'm trying to configure strongswan server to support iPhones and iPads. I'm using client certificate for authentication, I have the following configuration for iOS in strongswan.conf : conn iOS ...
0
votes
1answer
55 views

How to check the packets is actually coming thru the VPN Tunnel

I have setup up a VPN server with strongswan. My VPN is coming up, but I want to make sure packets are actually going through the tunnel. Are there some commands to check this on the VPN ...
2
votes
2answers
1k views

Trying to replicate a working IPSec/L2TP config from OpenSWAN to StrongSWAN

I have a working OpenSWAN implementation for RA, using IPsec transport and l2tp for the tunnel, running in AWS. The instance has a private IP, with a public EIP mapped to it. I use the private ip for ...
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2answers
465 views

TCP connection through IPSec (Linux/Strongswan) stalls after exceeding PMTU

The backups (via Bacula) of one of my servers (“A”) connected via IPSec (Strongswan on Debian testing) to a storage daemon (“B”) don't finish 95% of the times they run. What apparently happens, is: ...
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1answer
513 views

Windows 7/8 Strongswan IKEv2 Wrong Gateway

I have setup Strongswan on Ubuntu 14.04 from the official package. I use IKEv2 with PKI authentication and a custom authorization plugin. This works great for Android and Ubuntu clients using ...
1
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1answer
116 views

Is there a way to use an external program to authenticate XAuth with StrongSwan IPSec?

I'm currently using StrongSwan for my iOS devices to connect. I was wondering if there is a way to use an external program for XAUTH? I currently have the following configuration: : RSA server.pem ...
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0answers
120 views

vServer: Configuring single (/128) assigned IPv6 addresses for use as IP address pool for IPSEC (Strongswan) road warriors

I've a new (dev) vServer up and running. Unfortunately the provider only hands out single IPv6 addresses (not even /64 subnets). Now I am a bit confused how to achieve the following: I want to use ...
0
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1answer
889 views

SSH not working over IPSec tunnel (Strongswan)

I configured a small network on a cloud virtual machine. This virtual machine has a static IP address assigned to eth0 interface that I'll call $EXTIP. mydomain.com points to $EXTIP. Inside, I have ...
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0answers
393 views

strongSwan 4.5.2 with iOS and Mavericks, Connection Troubles

I am having trouble configuring strongSwan 4.5.2 to work with iOS 7 and OS X Mavericks. I have followed these two guides, but am still encountering problems. ...
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2answers
3k views

Strongswan (IKEv2) connection established, but no traffic routing

I've seen this sort of question posted a few times before, but so far, none of them have solved my issue. I'm trying to set up an IKEv2 VPN on my Ubuntu Server to use with my Windows Phone using ...
0
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1answer
571 views

Strongswan with X.509 authentication and LDAP authorization

I would like to setup Strongswan/Libreswan with PKI authentication. Now I have searched and found only how to configure specific accepted client certificates like here: ...
1
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1answer
128 views

Is using EAP-MD5 in strongSwan a security risk?

Quoting Wikipedia: It offers minimal security; the MD5 hash function is vulnerable to dictionary attacks, and does not support key generation, which makes it unsuitable for use with dynamic WEP, ...
1
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1answer
696 views

Running a custom script when StrongSwan connection is established

I have StrongSwan VPN server set up on a Debian host, and would like to run a custom script when a client connects to it. The only thing I have come up with is periodically checking the contents of ...
1
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0answers
122 views

strongswan packet get natted when ufw is enabled

I'm using strongswan 4.6.4 to connect road warriors to my server (ubuntu 13.10), which is natted behind a firewall. left=%defaultroute leftsubnet=10.10.1.0/24 right=%any ...
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1answer
3k views

strongSwan setup where both sides are behind NAT

I'm trying to setup a strongSwan server in my home and connect to it from another network. Let's say sun is the VPN server and venus is the client. Both sun and venus are behind NAT networks. sun is ...
0
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1answer
231 views

EAP password prompt in strongSwan

I'm trying to setup a host-host configuration using strongSwan. I did manage to set it up using certificates and now I wish to set it up using certificates + EAP authentication. I mixed this ...
2
votes
1answer
2k views

Strongswan VPN Established but no Packets Routed

I'm setting up a VPN using strongSwan between a Linux instance on an Amazon EC2 instance and a remote network via its Cisco concentrator. I need to route packets from the Linux instance itself a ...
1
vote
1answer
342 views

Issues with StrongSwan on FreeBSD 10.0. Charon refuses to start

The charon.log with full debug levels (4) is as follows: Jan 21 16:09:47 00[DMN] Starting IKE charon daemon (strongSwan 5.0.4, FreeBSD 10.0-RELEASE, amd64) Jan 21 16:09:47 00[LIB] plugin 'aes': ...
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0answers
463 views

IPSec tunnel not working when set up asynchronously

I'm trying to create a tunnel using StrongSwan. In order to do this, I'm creating two sh files, one for each gateway router. All I'm doing in the sh files is creating the tunnel, configuring it, and ...
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2answers
1k views

Using strongswan, what's the difference between auto=add, and auto=start?

The docs on this are pretty vague, what operation, if any, should be done automatically at IPsec startup. add loads a connection without starting it. route loads a connection and installs kernel ...
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0answers
799 views

Strongswan ipsec <--> iPhone, can't access LAN

I'm trying to connect to my LAN with iPhone, using Cisco IPsec VPN connection. I can connect to VPN, but I can't access any LAN devices. Hardware/Software: Strongswan 5.0.4, running on router - ...
0
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1answer
913 views

StrongSwan + xl2tpd client timeout between 2-5 minutes

I run CentOS 6.4 on Amazon EC2, using xl2tpd-1.3.1 from EPEL repository together with StrongSwan 5.0.4. I setup a simple IPSec connection: conn l2tp type=transport keyexchange=ikev1 ...
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0answers
198 views

Having trouble installing Racoon and Strongswan on the same system

I have two applications that I need to run, one uses Racoon for establishing IPSec tunnels and the other uses Strongswan. Therefore, I need both Racoon and Strongswan installed simultaneously on my ...
3
votes
1answer
701 views

Simultaneous IKEv1 and IKEv2 connection support in Strongswan

I'm using Strongswan to handle IPsec connections, and need a way to support both Windows (IKEv2) and OS X (IKEv1) clients. I would prefer to use pure IPsec (i.e. avoid having to setup L2TP) unless ...
0
votes
1answer
2k views

strongSwan server with Windows 7 clients doesn't route traffic

I have a server running strongSwan on an Amazon EC2 instance that I want to connect to with Windows 7. The strongSwan server is on a private network (IP address 172.16.1.15 on the network ...
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2answers
5k views

strongSwan IKEv2 + Windows 7 Agile VPN: What is causing Error 13801

I have an AWS instance that I want to be a VPN server. It will connect Windows 7 clients to a private network in the Amazon cloud. I have installed Ubuntu 12.04 and the strongswan-ikev2 package. ...
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votes
1answer
727 views

What is the value of strongswan's leftfirewall=1 and rightfirewall=1

Do these two options do anything bad when they're not supposed to be enabled and they are enabled? is there any example of what exactly they do, or if we need them. My ipsec gateway is a VPC ...
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votes
1answer
246 views

What exactly does packing with pkcs -certfile do?

I've been using the openssl pkcs12 command to pack my certs/keys up for Windows 8, openssl pkcs12 -export \ -in win8client-cert.pem \ -inkey win8client-key.pem \ -certfile ...
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votes
1answer
663 views

StrongSwan outputs in log “certificate status is not available”

Wha does the warning certificate status is not available in charon.log mean? 16[CFG] certificate status is not available 16[CFG] reached self-signed root ca with a path length of 0 Everything ...
1
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1answer
2k views

How do I resolved “Error 13843: Invalid Payload Received.”?

When Windows 8 tries to connect to my Strongswan VPN I get the following error, Error 13843: Invalid Payload Received. I'm not sure how to resolve it or what causes it. My charon log has this, ...
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2answers
347 views

Windows 8 and SSL's EKU serverAuth flag?

I'm reading this tutorial which says, Your gateway certificate must have: An Extended Key Usage flag explicitly allowing the certificate to be used for authentication purposes. The serverAuth EKU ...
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1answer
913 views

strongswan: entirely virtual subnet [closed]

I recently set up a strongswan IPSec VPN to access some non-public services of my home server from my android smartphone. I am using OpenVPN on some other devices for the same task, but chose ...
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2answers
4k views

How do I configure Windows 8 for IKEv2 preshared key? [closed]

I'm using Windows 8 client to connect to my new strongswan VPN, and I don't see the option to do preshared keys with IKEv2? Did they leave this feature out?
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1answer
1k views

strongswan can't push DNS resolver to OSX Mountain Lion (split tunnel)

I'd like to set up an IPSec responder (VPN server) for OSX desktops and laptops. Everything seems to work fine, except I cannot push a DNS server to be used system-wide on the initiator (VPN client). ...
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1answer
8k views

Strongswan vpn tunnel connected but the traffic is not routed through it

I have just set up a vpn tunnel site-to-site with strongswan (4.5). The tunnel looks fine and connected to the other side, but seems there is a problem routing traffic through the tunnel. Any idea? ...
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2answers
1k views

what does “openssl FIPS mode(0) unavailable” mean?

I compiled and installed strongswan ipsec vpn successfully, as demonstrated by the fact that the service starts successfully: as3:~# ipsec restart Stopping strongSwan IPsec... Starting ...
0
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1answer
2k views

strongswan VPN on OpenWrt

Hi I'm running Barrier Breaker version of OpenWRT and I have setup a VPN according to: http://wiki.openwrt.org/inbox/strongswan.howto I can connect to the VPN with my iPhone or Mac (to 10.10.1.0/24 ...
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1answer
996 views

Finally get my win 7 connected to strongSwan VPN, but there's no Internet

I believe I've followed all the instructions, and my win 7 did get connected, but there's no Internet. Background: Server OS: ubuntu 12.04 on linode xen VPS strongSwan Version: 4.6.4 ...