All Questions
619
questions
1
vote
0
answers
28
views
Linux - Preserve client IP Addresses when connecting to game server over wireguard VPN tunnel from VPS
My question is almost perfectly summarised here:
Preserve connecting clients IP address through an OpenVPN tunnel
And the solution provided in that post hints at what I need to do, and have been ...
- 11
1
vote
1
answer
58
views
How can I setup FIREWALLD with IPSEC (StrongSwan) Site-to-Site to make PING work on Debian 12?
I have 3 nodes with public and local IP address, each:
Node A: edge router #1 (10.41.1.0/24)
Node B: edge router #2 (10.48.2.0/24)
Node C: VMS with Debian 12, docker containers and firewalld (ex. 172....
- 13
0
votes
0
answers
19
views
Issues with internet connection via openvpn
The organization I'm with uses an OpenVPN connection and RDP to log into a virtual environment we work with. The way I understand it only traffic that is aimed at our internal net (in the 10.0.0.0/8 ...
0
votes
0
answers
38
views
Wireguard and duckduckgo Issue
I have some problems with wireguard client on linux. When I turn a connection to vpn on, I can't reach duckduckgo.com in my browser (both Chromium and Firefox). But if i ping the domain in terminal I ...
- 11
0
votes
0
answers
25
views
DockOvpn: TLS key negotiation timeout
I am running alekslitvinenk/openvpn (aka "DockOvpn") with the following docker-compose.yaml:
version: '3'
volumes:
dockovpn:
networks:
frontend:
services:
dockovpn:
...
- 530
0
votes
0
answers
38
views
How can i setup a proxy to redirect traffic to VPN
For work i need 2 use 2 differents VPN to access 2 differents networks.
Switching beetween VPN each time I need to one or the other context is very painfull because of double factor auth etc...
I can ...
- 1
0
votes
0
answers
335
views
Installing Windscribe VPN
I am trying to install Windscribe VPN but I keep getting these errors.
dpkg: dependency problems prevent configuration of windscribe:
windscribe depends on libopengl0; however:
Package libopengl0 ...
- 1
0
votes
0
answers
118
views
How to Split Tunnel Specific Server Traffic Through a VPN
I intend on hosting a number of services on a single NAS-like device and so was wondering if there were an easy way to set up a reliable VPN connection for only certain services while leaving others ...
- 1
0
votes
1
answer
101
views
VirtualBox 7.0 on Ubuntu 22.04 do not see FortiClient interface
I'm running a Windows10 virtual machine with VirtualBox 7.0 on Ubuntu 22.04.
I'm connected to a VPN thanks FortiClient with my Ubuntu and it's works well.
A new "fctvpn42f76226" interface is ...
- 1
0
votes
1
answer
51
views
Routing a cgroup to a different table and back to the main table
I want to have the following setup. There are two interfaces: wlan0 and wg0. wlan0 is the default, wg0 is a wireguard interface, configured manually.
By default traffic goes to wlan0. But if a process ...
- 11
0
votes
0
answers
17
views
Why would sudo complain about DNS name resolution? [duplicate]
I'm running on Ubuntu 22 Linux. When I try to manually fix my /etc/resolv.conf file using
sudo vi /etc/resolv.conf
# or
sudo cp $HOME/tmp/working-resolv.conf /etc/resolv.conf
The command appears to ...
- 475
0
votes
1
answer
112
views
UFW settings for a VPN on a Rasperry Pi
I have recently set up a headless Rasperry Pi, using Raspberry Pi OS Lite.
I set up Wireguard and some UFW rules.
The outcome that I would like to have:
all network traffic is blocked except for ...
- 1
0
votes
0
answers
41
views
Unable to Ping Remote Database Server from Home WiFi Network
I am encountering a network connectivity issue when attempting to ping a remote database server from my home WiFi network. The server, identified by the IP address 192.168.100.91, is accessible via a ...
0
votes
0
answers
64
views
Debian how to route traffic from/to a web app through eth0 instead of tun0 (VPN)
I have a web app which calls some public APIs which block VPN connection. I would like to route all traffic coming/going to the web app through eth0 and not through the default tun0 which is the ...
- 113
0
votes
0
answers
51
views
interactive ssh connection forgetting/creating keystrokes
By and then it happens to me, that an ssh session running on WSL/windows11/ubuntu_20.04 to Centos 7.9 forgets keystrokes or other keystrokes are suddenly repeated. This is driving me crazy!
And I'm ...
- 111
1
vote
1
answer
473
views
ProtonVPN removed from Linux but kill switch stuck on; how can I disable it?
The latest update of protonvpn on linux resulted in a bug for me. The app wouldn't load correctly for me and I couldn't get into the settings to turn the kill switch off.
I tried to solve this by ...
- 141
0
votes
1
answer
160
views
Tunneling all TCP/UDP traffic through one port
My PC doesn't have a public IP, so I want to use a VPN with support for port forwarding for the following applications:
Remote access software
Home Assistant
SSH
LM Studio
A1111 (gradio)
... and ...
- 251
0
votes
0
answers
29
views
Network Namespaces security issues
So I created a network namespace for running a vpn only for selected applications, let's call it "myvpn".
I understand I need root to set a different namespace, which by default will start ...
- 1
0
votes
0
answers
42
views
Route all TCP traffic from port to another host:port
I have a wireguard config, creating a VPN between a remote server (10.0.1.1) and my local machine (10.0.1.2), so that the server can reach the local machine and vice versa.
I'd like the server to ...
- 125
0
votes
0
answers
230
views
Wireguard VPN works on my iPhone, but not on my Windows 11 PC
So I've been trying to turn my raspberry to a VPN server using PiVPN, WireGuard and DuckDNS. I've had some success as after configuring Wireguard on my iPhone the connection works. However, the same ...
- 101
0
votes
0
answers
146
views
Connect to VPN working inside WSL from Windows environment
I have a remote VPN set up, to which I can only connect to via Linux machines. As of now, I do have access from WSL to this VPN, meaning I can ping and interact with the hardware that is only visible ...
- 1
0
votes
0
answers
69
views
No internet connection after setuping OpenConnect server on ArchLinux
ip tuntap add mode tun dev vpn0
ip addr add 192.168.2.2/24 dev vpn0
# systemctl restart ocserv
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -p tcp --dport 8443 -j ACCEPT
iptables -...
- 101
0
votes
0
answers
55
views
VPN connected but routing tables unchanged
I'm trying to understand how does a VPN I'm using works.
In this case it's nordvpn, but the question should be vendor neutral focusing on the underlying Linux mechanisms and tools to check what's up ...
0
votes
0
answers
783
views
why wireguard PersistentKeepalive does not work?
I wireguard server and a single client have been setup on two VPSs to have a split tunnel in between, but every few hours, the client side connection stops and I have to restart the interface to ...
- 271
0
votes
1
answer
128
views
Why I can’t access to internet with this vpn setup?
I try to setup a vpn between 2 networks over internet following this link https://openvpn.net/community-resources/how-to/
On my server
openvpn runs
port 1194 transfered
interface ; inet 10.9.8.1 peer ...
- 203
0
votes
1
answer
256
views
Configuring WireGuard on Linux for WebRTC Leak Testing
I'm trying to make wireguard work with a special config, to test Browsers for WebRTC Leaks. With this said I need a config, that allows allows traffic outside of the tunnel. In Windows I could ...
0
votes
0
answers
342
views
SSH Connection Timed Out - TryHackMe Linux Walkthrough
I am a beginner trying to learn Linux from TryHackMe's Linux Fundamentals. I ran out of time on the attack box and have been trying to connect to my active machine using a VPN over OpenVPN Connect.
...
0
votes
0
answers
114
views
How can i change Policy Modes from Exclude mode to Include mode in cloudflare warp-cli?
I'm using Linux server. How can I switch from Exclude mode to Include mode in warp-cli? If this functionality isn't available in warp-cli, can I accomplish this using iptables?
2
votes
0
answers
123
views
Easiest way to set up a "proper" VPN on a CentOS server, allowing an Ubuntu or Windows client to connect to it
I am using Ubuntu at home. I have a server in the US with CentOS.
With my system administrator days long gone (about 25 years ago), the question is: what's the easiest, least painful way to make a ...
- 250
0
votes
1
answer
90
views
Inexplicable performance degradation on Linux VPN gateway
I run a personal VPN network with Wireguard for my family and me. It started some years ago out of curiosity, but then became quite useful and started to grow. I created an overview of it, it's linked ...
- 3
0
votes
0
answers
49
views
triple vpn tunnel to bypass vpn blocks
is it technically possible to setup a VPN tunnel (or port-forwarding,or any other ways) as illustrated with bellow picture ?
Assuming there is an restricted FW which even VPNs do not work plus "...
- 271
0
votes
1
answer
59
views
Can reach VPN peer only after ping from this peer
Problem
I have two linux PCs connected to a local network and to a WireGuard VPN network. (let's say VPN subnet = 10.66.66.0/24 and PC A=10.66.66.9 and PC B=10.66.66.10).
The problem is that I can't ...
- 105
0
votes
1
answer
702
views
Make server not to use VPN as a default gateway
I have a local server connected to a remote WireGuard VPN. The server routes all its traffic through the VPN (wg0 interface), but I need it to use the VPN only to communicate with other members of the ...
- 105
0
votes
0
answers
115
views
Windows 11, running in qemu (ubuntu host) can't see Windows domain controller on VPN (openfortivpn)
Details:
Windows 11 Pro (guest)
Ubuntu 22.04 (host)
qemu 6.2 (as provided by Ubuntu repos)
openfortivpn 1.17.1
I'm WFH, primarily in Linux, and when I need work resources I start openfortivpn to ...
- 1
0
votes
1
answer
315
views
How to avoid integrated KDE vpn to redirect all traffic through the VPN?
I just setup a VPN server with OpenVPN. It seems to work so far.
I created a client configuration and keys on my Debian/KDE computer and when I start the VPN client through command-line:
sudo openvpn -...
- 113
0
votes
0
answers
59
views
Single network interface with multiple IPs
I'd like to implement multiple VPN protocol tunnels on the same virtual interface.
My VPN tunnel is implemented on top of UDP connection so basically I can use this connection to send packets to ...
- 283
0
votes
1
answer
531
views
route all traffic through vpn, on the fly
I just installed openvpn on my server and my client. It seems to work fine.
Now, I would like to route all the traffic from my client through my VPN server, over internet, on demand, just in some ...
- 3
1
vote
0
answers
201
views
Barracuda VPN client for linux 5.2.2 fails to process onetimepwd parameter
I use barracudavpn for linux version 5.2.2.
According to the usage help I should be able to provide an OTP via the onetimepwd parameter.
barracudavpn --start --login <login-name> --serverpwd <...
- 111
0
votes
0
answers
116
views
Tunnel between machine and vps with port forwarding
I need to create a tunnel between a windows machine with gray ip over NAT and a linux server with white ip and forward all ports, including udp.
Scheme machine > server
i.e. the port is opened on ...
- 1
0
votes
0
answers
255
views
Strongswan to WatchGuard connected but no traffic
I'm connecting to a client's Watchguard VPN with StrongSwan on my AWS hosted Ubuntu 22 machine. I have a connection established but there is zero traffic flowing. I can't ping the destination and the ...
- 51
0
votes
0
answers
204
views
Mullvad VPN WireGuard several interfaces on the same machine
Not sure what I am trying to do is even possible. I am trying to create a web crawler with about 20 threads and I am trying to route each thread requests (using python requests) through a different ...
- 11
1
vote
1
answer
602
views
Cannot access Outline VPN on CentOS
I installed Outline VPN a few times on Ubuntu servers and each time it was fast and easy. Now I'm trying to install it to CentOS and the Outline VPN shell script executes smoothly and with no errors:
...
0
votes
1
answer
265
views
Implement pmtu discovery on udp connection that serves as vpn tunnel
I've created a socket programmatically which is bound to virtual interface, and receive all outgoing traffic due to default routing table rule setting.
Once outgoing packet arrive, it will be ...
- 283
3
votes
1
answer
2k
views
wireguard client to client communication does not work
I had a CentOS 8 Stream wireguard server, which allowed me to play LAN games with friends.
Since i updated to Rocky Linux 9, i cant communicate with other clients any more.
To clarify:
client to ...
- 393
0
votes
1
answer
97
views
Wireguard via another mesh-network, handshakes succeed, but cant reach non local network
Server has 2 interfaces, eth0 - real v4 network if, tun0 - virtual mesh v6 network if.
WireGuard tunnel is wg0, 10.0.0.0/24, server is: 10.0.0.1, client is: 10.0.0.2
Client, uses public ipv6 of server ...
0
votes
0
answers
1k
views
Bypass/split tunnel wireguard
I have a wg-quick wireguard vpn on my linux box. It uses the FwMark routing technique, and therefore by default all packets get sent over the wireguard interface. It also acts the default gateway for ...
- 123
0
votes
1
answer
94
views
How do Ubuntu-server network interfaces work?
Yesterday I installed "Cockpit" on my Ubuntu-Server 23.04 (which is running on a Raspberry 4) so I can manage it from my Windows 10 PC. So far the Management interface is quite clear and ...
user1819753
0
votes
0
answers
191
views
Port forwarding socks5 proxy across network namespaces
I've finally set up the netns veth openvpn connection that works, made overrides to systemd service files so openvpn depended on netns single shot service and tor of openvpn service. Tor works, at ...
0
votes
0
answers
51
views
Trouble Routing Traffic between 2 KVM Hosts
I am attempting to create a networked KVM setup as described in the following guide: https://c3rb3ru5d3d53c.github.io/2022/06/kvm-malware-lab/
My network topography is as follows:
┌────────┐
│...
- 1
-2
votes
1
answer
35
views
Is PPTPD faster than Hamachi [closed]
I encounter some issues with Hamachi. I want to set up any steamCMD server in my local network. The problem is my ISP doesn't sell public IPs and I simply can't forward port into my pc. I used hamachi ...
