Questions tagged [vpn]

VPN is the acronym for Virtual Private Network - a network type that uses a the Internet to provide remote networks or single machines with secure access to their organization's network avoiding expensive leased lines.

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Why does StrongSwan charon-cmd client require the --cert command-line option for multiple CA chain certificates?

I have a StrongSwan charon server on Ubuntu 18.04. I connect to this server with a StrongSwan charon-cmd client from another Ubuntu Linux machine. The command I use from the client machine to connect ...
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Allow RDP connection only from assigned OpenVPN IP address Server 2022

Good day, Firstly, Here is my setup: I have just set up a new Windows Server 2022. I am also registered with OpenVPN Cloud. I have installed the OpenVPN Connector as a service on the Server and it is ...
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Two different sites with one domain

This the scenario I have two sites The sites are connected together by a P2P wireless connection Windows Servers 2012 on both sites acts as a domain controller. We have one domain for both DHCP ...
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Can't add VPN address to UFW killswitch

I am trying to use UFW as a VPN killswitch as outlined in this guide: https://adamtheautomator.com/linux-killswitch/ So far, I have been successful up to the step where I need to restrict outbound ...
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Connection with Linux client to VPN azure giving up

I'm trying to connect from a Linux to a VPN in Azure. I can connect in windows clients and am trying to setup the client in Linux I followed the instructions in this tutorial but i cannot stablish a ...
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Routing fwmark to VPN gateway using nftables mark

I'm trying to setup selective routing of a traffic filtered by IP address over OpenVPN on my OpenWRT router I have an OpenVPN profile up and working with route-nopull option to disable setting default ...
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Why can't i acces remote Windows Server through MacBookPro?

I'm trying to access a client MacBookPro to Remote Server using Remote Desktop Application "RD Client" I connected a VPN to that server. BUT But in the application when I fill the remote ...
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Connectivity interrupted on pfsense/openvpn

I have OpenVPN running on a pfsense server hosted in AWS. I am able to connect to the vpn successfully and the correct DNS servers are pushed down to my mac. This needs to be in place since private ...
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How to redirect tailscale to shadowsocks

How to redirect tailscale traffic (TPC+UDP) through shadowsocks proxy on Linux? I've tried ss-redirect with no success.
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AWS OpenVpn "Connection failed. Try again" - Exception (0x80004005)

I have been unable to connect through the AWS OpenVPN client for quite some time. When I click connect, the message "Connection failed. Please try again." I found a similar case on other ...
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Routing all Traffic through a VPN Node while accepting incoming WAN Connections

I want to route all traffic through another VPN-Node, while: Keep the Connection to the VPN-Server active (already works) Still accepting WAN-Connections on that Client. My Client Node Configuration:...
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VPN overlapping with network that provides access to internet

I have computer which is connected to Network A with ip range 10.0.0.0/24. This network provides access to internet and that's the only thing I need from Network A. My comporate VPN (Network B) using ...
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Setup L2TP Ubuntu Server without IPSec (yes I know thats very odd)

Im trying to tunnell my traffic from a bunch of low end mikrotik routers through a L2PT tunnel, and these routers are not powerful enough to run encryption. I have Ubuntu 20.04 VPS, and have ...
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Make a remote host have a local IP address with ARP capability(Steam Link) [migrated]

Currently I have two subnets in the 10.0.0.0/16, which are 10.40.20.0/24, let's say that's A and 10.32.80.0/24, B. My PC is in the subnet A and what I'm going to do is use Steam Link, Oculus Air Link ...
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How do I configure Wireguard for a K8s multi-site?

I tried to configure Wireguard for a K3s multi-site cluster, my issue is with routing. There are at least 4 nodes, 2 in one location + 1 in other location and + 1 in other location. Assumptions: 10....
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Windows VPN Client - Dial more than 2 concurrent connections

I frequently need to dial multiple VPN connections to different isolated sites. I would like to have multiple connections active concurrently, but Windows (10 and 11) seems to limit the number of ...
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How to connect a RDP machine to a VPN?

When I try to connect my RDP machine to a VPN(PPTP), I get disconnected from my RDP. My understanding so far is that all the traffic, including the RDP traffic, is being routed to a different ...
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AWS Site-to-Site VPN with BGP - how routes are advertized via BGP?

I've configured redundant site-to-site VPN between AWS and GCP with 2 VPN connections, 4 tunnels and BGP dynamic routing. Everything works, all good, servers on both sides of the tunnels can reach ...
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How to access the VPS inside the VPC via vpn server

Cloud provider: Digital Ocean I want to hide my data storage server in private but connect it via a VPN server(OpenVPN) for development purposes. Let's say there are two VPS inside the same VPC. ...
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Connecting to a DB server using telnet

I have a db server that can only be accessed by from another server[cant access it from my local device] and the DB server can only be accessed using telnet, SSH is not supported by the DB server. My ...
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Strongswan: {parsed IKE_SA_INIT response 0 [ N(NO_PROP) ]} and {recieved NO_PROPOSAL_CHOSEN notify error}

I am getting the feeling that I have just done somethign very silly on my end but I have no idea what is going on. For context, I have been using wireguard for a bit and am much more knowledgable than ...
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Accessing a server-side VLAN through OpenVPN

I am a networking noob and could use some help. I am trying to set up a TAP connection using OpenVPN to access devices that are on a VLAN on my remote server. Right now, I can connect and ping the ...
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Interface Metric is empty for VPN

When connected to VPN, the interface metric for the VPN interface is empty. I referred to Microsoft docs and it says the interface metric range is 5-50 depending on the link speed. Does empty refer to ...
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Strongswan VPN certificate authentication failed

I've installed strongswan vpn on my ubuntu server. Set up certificate authentication. I've set up my android-phone and it works fine. But connection didn't established on the windows machine. I copied ...
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Forward traffic via multiple vps servers User ----> Solution ----> VPS 1 ----> Solution ----> VPS 2 ----> Internet

I've tried using Wireguard and a proxy to no avail, i'm not aware of any other ways of doing this, i'm open to suggestions for other ways of doing this, if anyone even wants to help with this, My ...
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WireGuard `wg-quick up` hangs on `ip link add $profile type wireguard`

I've been a happy WireGuard user for several years and never had any issues. Today, for seemingly no reason, I started having issues. I ran wg-quick up $profile as root and that terminal session ...
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Adopt IP of network connecting to without routing everything through the VPN

Is it possible with OpenVPN to adopt the IP of the network I'm connecting to, so to the outside it looks like I have the same IP instead of my own local one? This could work when I route everything ...
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Traffic not tunneled/forwarded using StrongSwan

Description I am new to strongswan and I like to set strongswan in a road warrior configuration. My moon network is an AWS VPC with CIDR block 172.31.0.0/16 Inside that network, my VPN gateway is an ...
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Public domain name for server running on laptop

What is a good way to use a public domain name to access a server running on my laptop? Note: My laptop's IP is not static and could be anywhere, at my apartment, in a coffee shop, tethered to my cell ...
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SonicWall SSL VPN with both AD and local users

I'm currently setting up a VPN for our enterprise users using SonicWall SSL VPN and the NetExtender client on Windows 10 (no mobiles devices). The firewall is querying the Active Directory database ...
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Ubuntu L2TP Server not allow to connect multiple devices

Till today, this website showed me some answers that solve the problem. But it seems I couldn't find the correct answer to this problem. I have a project for a VPN network for remote service purposes, ...
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How to connect to a Cisco VPN in "native mode"?

I need to connect to a VPN, but I am not an expert on the subject at all, so if anyone can help me, I would appreciate it. I was given the following data, telling me that this info is for a "...
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Site-to-Site VPN and Remote Access VPN with Strongswan

I've recently deployed a Strongswan IKEv2 Remote Access VPN in two different sited with two different ubuntu servers. It all works great, but now i want to "merge" the two sites with a site-...
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Routing data/traffic through an ec2 instance that has a vpn tunnel

firstly sorry if I use the terminology wrong in this post. I am completely new to AWS and network stuff in general. Here is the problem that I am working on: I want my data generating application in a ...
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StrongSwan Not Keeping Connection Alive

We have a virtual linux VPN using StrongSwan to integrate some REST API services. Our VPN works perfectly, however after some time it looses the tunnel connection and goes down. We need to manually ...
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How to link ipsec clients with different connections in StrongSwan?

I use strongswan ipsec as VPN gateway for mobile devices (Android). In StrongSwan config I've setup 2 connections (two different subnets 10.10.10.0/24, 10.10.20.0/24 with different routing policies) ...
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Strongswan / Ipsec multiple roadwarrior connections different subnets

I'm trying to setup a StrongSwan VPN Server which should host multiple (Windows 10 - internal vpn client) roadwarrior connections, but different subnets, depending on the clients certificate. root@VPN:...
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Understanding OpenVPN with redirect-gateway disabled

I’m looking to set up an OpenVPN server on a VPS with a dedicated ip. It will have one client, my home computer, running MacOS. The reason is that my home computer is behind a CGNAT, but I want to be ...
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Logging on Windows with user accounts in Protected Users group over VPN

I am planning implementation of Microsoft’s Active Directory tier administrative model, and I was wondering how to overcome the problem of system administration over VPN. One of the security ...
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L2TP Disconnect after 59 Minutes / 1 hour only with IPv6

I have a Windows Server 2022 with L2TP configured. The Server has a NATed IPv4 and a Public IPv6. The Clients are all Windows 10 20H2 The Clients connect via it's DNS Name. The most clients do not ...
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SonicWall VPN Won't Connect

We use the SonicWall Global VPN Client as well as the built-in windows VPN to create VPN connections. As some of you know, update KB5009543 prevented us from creating VPN connections. Some of the ...
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How is IPsec (strongswan) working without opening ports in UFW?

I needed to setup a site-to-site VPN between servers A and B, where server A is being managed by me and server B is being managed by a client. Server A is running Ubuntu 20.04 and I am using ...
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nginx: [emerg] unknown "name" variable, nginx: [emerg] unknown "ssl_preread_server_name" variable

i'm trying to set up my own Stealth VPN server using NGINX 1.18 in Debian 11. I follow this guide but many of the directives are not working. The problem is when i issue nginx -t test command the ...
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Strongswan & Windows client: connection freezes in a few minutes

On an AWS VPS, I installed Strongswan to use it as a VPN. It works fine with iPhone client. However, when I try to connect from a Windows client, the SA connection gets established successfully and ...
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Multiple Virtual Network Gateways in Azure

I have the following parties: Org1 - The owner of the application that is being built Vendor1 - The 3rd party that build the application Client1 - A consumer of the application Clinet2 - A consumer of ...
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Internal DNS without Wireguard "proxy" [closed]

Problem: Wireguard obfuscates DNS request, so all DNS lookups from devices connected via VPN are seen as coming from Wireguard server. This prevents me from setting up per-device DNS white/black lists....
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VPN Router and additional VPN on device

I have a Router which I use as VPN server (openVPN is configured, unified mode). In addition, I am connecting to the VPN of my company on the macbook which is connected to internet through the ...
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How to setup a VPN server as the only way to access Docker containers on a Linux VPS?

I'm running a container with docker-compose on a Linux VPS (Ubuntu 20.04). I want the container to be accessible only via a VPN (ie: the container ports are not exposed on the host to the Internet and ...
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How to access from Linux (host) any content that needs the VPN connection running on Windows (guest)?

I'm working on a coding project that needs to access private URLs through a VPN connection. The only way to connect to this VPN is through the company's proprietary software made only for Windows. So, ...
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In Linux how to add a route to a prefix via a specific device with certain destinations in that prefix going via default route?

I'm currently dealing with a VPN which connection endpoint lies within the subnet which prefix shall be tunneled via that specific VPN. Essentially the problem thus boils down to match against a (...
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