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Questions tagged [vpn]

Questions related to VPN (Virtual Private Network) software

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1 answer
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How to fix the "Connection failed with error: Failed sending banner ....." for ssh?

At times when the remote device is behind a VPN or is in local network, this error shows up: Connection failed with error: "Failed sending banner to ....@..........:22" This shows up infrequently ...
0 votes
2 answers
246 views

IpVanish VPN failed to connect

I am trying to install IpVanish on Ubuntu 23.10, but I get connection failure every time, the activation of the network connection has failed VPN settings: IPV6 settings:
6 votes
2 answers
5k views

How to configure OpenConnect with an XML file?

I'm not too familiar with VPNs and I'm having a hard time connecting to a VPN service with OpenConnect. The VPN service I've purchased uses Cisco AnyConnect, which I can't get for Linux, but the ...
3 votes
4 answers
3k views

NordVPN prevents printing

When NordVPN is installed on Ubuntu Linux, and I try to print using CUPS, I find that printing to my networked laser printer always fails. Disabling NordVPN: $ nordvpn disable Allows me to locate ...
0 votes
0 answers
19 views

OpenPGP port (1194) can't be opened. OpenVPN-AS

I installed Openvpn-As on my Ubuntu 20.04 server and used default settings for everything. I tried connecting to my VPN using the OpenVPN client on mobile locally and it works with no issues. I was ...
0 votes
0 answers
29 views

after 24.04 upgrade, unable to connect vpn l2tp

I did upgrade my ubuntu and did some apt upgrade... I tried the vpn and it was not working anymore. This is a previously working L2TP network connection integrated with Duo(2fa). The request is sent ...
0 votes
0 answers
37 views

System network connection

I tried installing a vpn (hide.me) then uninstalled it since I was not able to use it. After uninstalling the vpn, my Ubuntu was no longer connecting to the internet. It shows that the internet is ...
-1 votes
0 answers
25 views

Network/VPN/Browser problem

I have Ubuntu 22.04.4 LTS 64 bit, and I know nothing about computers, basically all I can do is deleting cookies in browser. I bought my computer from a friend who said Ubuntu was very simple, but ...
0 votes
1 answer
5k views

How to install OpenVPN with 2-factor authentication?

I've installed OpenVPN over Ubuntu 16.4.2, and I'm trying to add 2-factor authentication using Google Authenticator. Does someone've got a manual or some kind of user guide how to do that ? Thanks, ...
32 votes
10 answers
33k views

No Internet connection after disconnecting from VPN in Ubuntu 18.04

In Ubuntu 16.04 I had no problems with VPN: after disconnecting I had Internet. In Ubuntu 18.04 I have no Internet after disconnecting from the VPN. I can actually ping 8.8.8.8 but not www.google.com ...
0 votes
0 answers
55 views

VPN L2TP/ipsec ubuntu client problems | Best practice settings against watchguard firewall

I have been trying for a long time to solve the following problem. L2PT/IPSEC VPN works fine with windows and mac clients. Watchguard firewall does not have documents for settings this right way for ...
3 votes
2 answers
1k views

NetworkManager does not support 2FA TOTP for openconnect/AnyConnect VPN

I have been using the NetworkManager with my Unis' VPN for years, and it used to work. Now they introduced multi-factor authentification using TOTP and I can't connect anymore. I tried to setup the ...
0 votes
0 answers
17 views

How to use Socks5 on a browser?

I have an Ubuntu virtual server and I want to proxy my browser using extensions like Proxy SwitchyOmega or FoxyProxy. using the following command: ssh -D 32145 root@ip I ssh to the server and set the ...
2 votes
2 answers
19k views

How to set up L2TP client on Ubuntu 18.04?

I set up my system according to a tutorial I found on the Internet. I basically installed the necessary dependencies: sudo apt install network-manager sudo apt install network-manager-l2tp sudo apt ...
1 vote
1 answer
4k views

Ubuntu 22.04 OpenVPN config

I have .ovpn file, exported from OpenVPN server: dev tun persist-tun persist-key cipher AES-256-CBC auth SHA512 client resolv-retry infinite remote xxx.xxx.xxx.xxx 1194 udp lport 0 verify-x509-name &...
0 votes
1 answer
4k views

Network Manager settings not sticking after reboot

I'm attempting to automatically establish a VPN connection after reboot. I created the profile via the network manager GUI and everything works well. I can use nm-connection-editor to edit the ...
0 votes
0 answers
11 views

Forwarding https traffic from openvpn to internal server which has internet access

I am trying to achieve the following behaviour Client <--> openvpn at 1194 <--> internal server at port 8080 <--> internet I used iptables prerouting route on nat with DPORT 80 and ...
5 votes
3 answers
5k views

Restrict Deluge to tun0 only but allow Deluge Web UI over eth0

After many searches I have been able to restrict deluge network traffic to only the VPN interface tun0 using the following command: sudo iptables -A OUTPUT -m owner --uid-owner deluge \! -o tun0 -j ...
-1 votes
0 answers
38 views

Hostnames are not resolved when i turn on Strongswan VPN ubuntu 22.04

I have created a connection on my VPS: nmcli connection add type vpn vpn-type strongswan con-name "vpn" ifname "*" vpn.data "address=<ADDRESS>, certificate-ignore=yes, ...
-1 votes
0 answers
23 views

Issues with PiVPN Wireguard Port Forwarding on Ubuntu Server

I'm experiencing some difficulties with setting up PiVPN with Wireguard on my Ubuntu server. Here are the details of my setup and the issues I'm facing: Setup: Ubuntu Server: Running on my home PC. ...
-1 votes
0 answers
167 views

vpn nor working properly after update to kubuntu 24.04 - updated

I'm using openvpn. Everything was working fine, until I updated from ubuntu 22.04 to 24.04. Now I cannot access some internal websites. When the vpn is connected the following happens: I can ssh to ...
5 votes
1 answer
11k views

Openswan's ipsec verify fails on "Two or more interfaces found, checking IP forwarding"

I'm trying to set an L2TP/IPsec VPN. I have installed openswan from the repository on Ubuntu 13.04 Section: universe/net Architecture: amd64 Version: 1:2.6.38-1 and configured it following the ...
1 vote
3 answers
8k views

Uninstalling nordvpn

When I run sudo apt-get remove nordvpn and when I try whereis nordvpn or find -name "*nord*" nothing shows up These commands are indicating that I don't have nord installed on my system,...
0 votes
0 answers
41 views

Citrix No Longer Works When Using VPN After Upgrading from 22.04 to 23.10 (and 24.04)

Citrix (current version and prior versions) will not start a service (i.e., a .ica file) after the upgrade to 23.10 (also tried 24.04) -- when I use a VPN to access the internet. It gives the ...
0 votes
0 answers
320 views

Ubuntu 24.04 LTS VPN Connections in Network Manager

I've done a profile change on my laptop to have domain logins. In doing so, I copied all config files in my home directory to a temp location, and then into the new home directory, obviously doing a ...
2 votes
1 answer
10k views

Problem setting up PPTPD

I'm attempting to set up a VPN from my Android phone to my home computer using pptpd on Ubuntu 12.10. I have so far done the following. Setup a virtual NIC like this... cat /etc/network/interfaces ...
0 votes
0 answers
34 views

"activation of network connection failed" error for VPN on Ubuntu 20.04

I tried to connect to the VPN and this error appeared: activation of network connection failed I found it strange, because until 5 days ago it was working normally. Does anyone know how to solve it?
0 votes
0 answers
16 views

How to save userid in cisco anyconnect VPN GUI?

Does anyone know if there is a way to configure the cisco vpn so that the userid can be saved in the VPN login GUI? It is annoying having to input userid and passwd every time. It seems cisco vpn ...
0 votes
0 answers
53 views

wsl2 unable to resolve host names behind vpn

I connect to a VPN to be able to access our company hosts. Everything works fine on windows. However the hosts behind the VPN are not visible on wsl2. I've tried adding the VPN address to /etc/resolv....
2 votes
2 answers
4k views

How do I connect to an L2TP IPSec VPN using a PSK on 15.04?

I've installed StrongSwan and the network manager helper and I have the options in the applet for VPN, but it only supports certificate configuration, not PSK entry. I've tried to add the PSK into ...
0 votes
1 answer
188 views

Accessing LAN with NordVPN active

This used to work, but for some reason no longer does. NordVPN support had no idea. Have spent all day researching and getting nowhere. Problem summary: I can't ping other Ubuntu boxes on my network ...
4 votes
3 answers
16k views

Nordvpn does not work on UBUNTU

I have problems with connecting to Nordvpn on my Ubuntu 18.04.02.LTS since 3 days. I am using terminal to connect to servers. When I try to connect to one of server I receive information: Whoops! We ...
0 votes
0 answers
21 views

Route between two network interfaces (one with VPN, the other one served DHCP addresses)

I tried to find an answer to my question, but I've not found anything...If this has been asked and answered I'll be happy with a pointer. I have a server running Ubuntu 23.10 with two network ...
1 vote
2 answers
4k views

How To fix a PPTP VPN client connection (Ubuntu on VirtualBox)

I have just installed Ubuntu 14.04 on VirtualBox and I'm trying to set up a VPN client. I have configured it with the same settings I use on a Mac and I am able to connect from that without any ...
2 votes
0 answers
1k views

Cannot connect to vpn after upgrading to Ubuntu 24.04

I have not managed to get VPN working since upgrading from Ubuntu 22.04 to Ubuntu 24.04. All the algorithms set and IPsec tunnel to L2TP host enabled. PAP as authentication methods selected. ...
4 votes
2 answers
11k views

Wireguard fails to build module even tho kernel headers are installed?

Installed wireguard in Xubuntu (Ubuntu 18.04.4 LTS) via PPA. The kernel module failed. # modprobe wireguard modprobe: FATAL: Module wireguard not found in directory /lib/modules/5.3.0-51-generic I'...
1 vote
2 answers
4k views

DNS problem with mullvad VPN on 18.10

My mullvad VPN was working, then I upgraded to 18.10. Now when I use their UI client, it connects fine, but DNS is not working. I can ping google.com by IP but not by google.com. I can resolve it by ...
7 votes
1 answer
4k views

How can I get NetworkManager to autoconnect to a Openconnect VPN via nmcli without prompting for a user and password

I am trying to set up a script driven VPN connection with nmcli on Lubuntu 12.10 using Openconnect and NetworkManager and I cannot seem to get it to connect either with the saved credentials or via ...
2 votes
1 answer
6k views

Wireguard client can not connect to internet

I have installed Wireguard with following commands: sudo apt update sudo apt install wireguard Then I have installed resolvconf: sudo apt install resolvconf Created keys: umask 077 wg genkey | sudo ...
1 vote
1 answer
8k views

Starting IPSec Command Hangs

I am attempting to establish a VPN connection between two regions in AWS EC2 (two virtual machines) using StrongSwan within Docker. However, I am getting a ton of errors when trying to start the ...
0 votes
1 answer
10k views

I'm trying to use qv2ray but it keeps V2Ray core executable not found

I installed qv2ray from snap and I'm completely new to Ubuntu, I was wondering if anyone could help me figure this one out.
0 votes
2 answers
197 views

L2TP IPSEC not working after upgrade from Ubuntu 20 to 22

I had configured on Ubuntu20 which was working fine. Recently I upgraded the system to Ubuntu 22.04 but now I am unable to connect to the office vpn. I am attaching the logs journalctl -xe May 03 12:...
0 votes
1 answer
232 views

No trusted RSA public key found for ... on Android - IKEv2 - StrongSwan - VPN server

I am setting up an IKEv2 VPN server using strongSwan on Ubuntu and experiencing issues with client authentication due to CA certificate errors. This is the base: https://www.digitalocean.com/community/...
1 vote
1 answer
4k views

OpenVPN can't update to ver 2.4.0 on Ubuntu 16.10

I'm stuck on OpenVPN version 2.3.11 in Ubuntu 16.10, which looks like it's 10 months old. Want to update to the latest stable version 2.4.0 Tried to update using these instructions so did these ...
3 votes
1 answer
7k views

Ubuntu 17.10 Anyconnect vpnagentd.service: Start operation timed out

Hi I have problem installing anyconnect-linux64-4.5.03040 vpnagentd.service - LSB: Cisco AnyConnect Secure Mobility Client for Linux Loaded: loaded (/etc/init.d/vpnagentd; generated; vendor ...
0 votes
1 answer
151 views

how to specify additional options to openconnect when invoked via nmcli?

I use mlcli to connect to a VPN, like this: nmcli conn --ask up myVPN. Under the hood this invokes openconnect: \_ bash | \_ nmcli conn --ask up myVPN | \_ /usr/sbin/openconnect --authenticate ...
0 votes
1 answer
121 views

OpenVPN Access Server Stuck on License Agreement

I followed the steps from the OpenVPN Access Server Portal to install OpenVPN Access Server on an Ubuntu Server 22 headless VM. After installing and automatically configuring the service, I went to ...
2 votes
2 answers
1k views

Forticlient VPN can't be installed on 23.10

To install the application, i follow the documentation available at this doc link. During the installation i found some errors: Wrong gpg key. solution Not installable libgconf-2-4. solution Not ...
0 votes
0 answers
441 views

ProtonVPN stopped working in 24.04

I used to use ProtonVPN with the GUI from Flathub. After a recent update, it stopped working. Every time I try to connect, it just immediately defaults to Error setting up tunnel. I thought that meant ...
2 votes
2 answers
8k views

How to install openconnect-sso on Ubuntu 21.04

I would like to install openconnect-ssh. The install instructions from the project seem complex, I'm not sure what pipx is. How do I install openconnect-sso on Ubuntu without using pipx and using ...

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