Questions tagged [openvpn]
An open source virtual private networking application written by James Yoan and published under the General Public License (GPL).
196
questions
1
vote
0answers
30 views
Block WireGuard clients' access to specific websites
I have installed a WireGuard VPN server on a Raspberry Pi (running Raspbian) using PiVPN and I would like to
either block the VPN clients to access specific websites (i.e. block them access https://...
0
votes
0answers
61 views
Opening OpenVPN to the world
I built my own private network with OpenVPN. I bought a VPS at hosting provider A(closer to home) and another two at hosting provider B(cheaper). Using openvpn I connected the two to the OpenVPN ...
0
votes
0answers
6 views
How to config site-to-site VPN from Unifi USG to OpenVPN server [migrated]
I'm trying to configure our Unifi USG with a site-to-site VPN into a private OpenVPN server with several computers behind it (which currently works with individual OpenVPN clients). The USG ...
0
votes
0answers
22 views
Unable to setup openvpn over ssh
I trying to setup SSH tunnel to mask my OpenVPN traffic from my android phone.
Both SSH and OpenVPN are running on my rpi and I using openvpn client + SSHTunnel on android.
What I can achieve is:
- ...
1
vote
2answers
56 views
Meterpreter Session over OpenVPN [closed]
Last month I made a pentesting course and now they opened a lab for us to practice before we apply for the certification exam. We connect to the lab over OpenVPN in our Kali Linux machine.
I'm trying ...
-1
votes
1answer
121 views
Does OpenVPN encrypt my traffic between my computer and VPN server?
I set up my own VPN by installing OpenVPN on a Ubuntu server, then I download client.ovpn file from Ubuntu server to my Windows laptop. And then, I import that client.ovpn to OpenVPN GUI app on ...
-4
votes
1answer
117 views
Which VPN offers more security conceptually, SSL VPN or L2TP/IPSEC?
Aside from possible implementation bugs, which VPN concept aims to offer more protection by design?
SSL VPN (implementation example - OpenVPN)
L2TP/IPSEC (implementation example - Strong Swan)
After ...
0
votes
1answer
81 views
Can't tell If The OpenVPN Server I Setup Is Encrypted using Wireshark?
This might sound dumb, but I set up an OpenVPN server on a Synology NAS. When I connect via the client at home to the server, everything works for.
I know you can read packets in Wireshark. If I ...
1
vote
1answer
155 views
How to generate an OpenVPN 4096 or 8192 bit static key?
How to create an OpenVPN static / pre-shared key with key size 4096 or 8192 bit?
openvpn --genkey
Creates 2048 bit strong keys only.
Static key. Not CA.
1
vote
1answer
127 views
How can I hide my mac address when using a public wifi? [duplicate]
As a new student of cyber security, I have started to see in real-time how an individual can actually scan and view the mac addresses on a public wifi connection.
How can I hide my mac address when ...
-4
votes
1answer
417 views
Wireguard vs. OpenVPN [closed]
Which is better in what scenario?
What cons and pros do they have? (optional question)
Which is more secure? (optional question)
Best use case of each one?
Isn't WireGuard based on OpenVPN?
1
vote
1answer
135 views
Tunnel Openvpn traffic through ssh?
I know similar question have been asked but none of them are explained thoroughly.
I have setup a VPS and setup openvpn using https://github.com/Nyr/openvpn-install on tcp and port 443(I have access ...
1
vote
1answer
72 views
If I use a VPN, can an enterprise proxy insert itself in the middle?
I'm using the guest Wi-Fi at a large corporation, and connecting to a commercial VPN provider via the OpenVPN client. I do not know one way or another if a proxy is used on the guest wi-fi, but I ...
0
votes
1answer
212 views
For security purposes, can I use vpn with ufw to allow traffic only from the vpn on ubuntu?
Is this possible? If not through ufw then some other software or iptables? How should I set up the ip tables?
Assuming my public ip is known (and I don't want to change it), would it provide complete ...
0
votes
1answer
904 views
how to force openvpn client to use TLS instead of SSL connection [duplicate]
i'm trying to use openvpn client to connect TLS VPN server
here is my .ovpn file
client
tls-client
dev tun
proto tcp
remote example.com 443
resolv-retry infinite
auth-user-pass
persist-key
...
0
votes
1answer
107 views
Is it safe to use RPC with sensitive data through an encrypted VPN connection instead of SSL/TLS?
I have an application where there I'm planning the following setup:
user <-----------------> layer 1 server <------------------> backend server
internet (https) ...
0
votes
1answer
116 views
What's the drawback of enabling auth-nocache in OpenVPN?
Using a "default" configuration, OpenVPN clients show the following warning when connecting to a VPN server in red, attention-seeking letters:
WARNING: this configuration may cache passwords in ...
2
votes
2answers
881 views
What are the risks of installing a CA on the same machine as OpenVPN server?
Digital Ocean states in one of it's tutorial about OpenVPN server :
While it’s technically possible to use your OpenVPN server or your
local machine as your CA, this is not recommended as it ...
2
votes
1answer
212 views
Meterpreter and OpenVPN
During a meterpreter session, is it possible to deliver a payload that creates a connection request to a local OpenVPN connection? For example:
I have a payload. Whenever that payload runs on the ...
0
votes
1answer
444 views
Are ARP attacks possible on OpenVPN and Wireguard connections?
I am curious if it is possible for users connected to a VPN to perform ARP spoofing / poisoning attacks against other users on the same subnet of an OpenVPN or Wireguard server. Does OpenVPN & ...
2
votes
0answers
94 views
Loosing internet connection while connected to specific VPN server?
I have noticed a strange behaviour earlier today on my VPN on a specific server.
When I run a trace route command while connected to VPN (on a specific countries server) my internet will not work for ...
1
vote
1answer
135 views
Is my VPN leaking or is this normal?
Hi when I am not connected to my VPN and do a route print I get one 0.0.0.0 entry in the Network Destination column. It has a gateway of 192.....
When I connect to my VPN and do a route print I get ...
0
votes
0answers
318 views
Filter/Block OpenVPN clients' access to a specific website
As stated in the title I would like to restrict VPN clients' access to specific websites.
More specifically, I push the route for 5 websites to the clients via the server config. However, I would ...
1
vote
3answers
225 views
Using a VPN for privacy?
Say I am only using a vpn for privacy (as is recommended by many people, especially on public wifi etc). How I understand it is that many people are using the same servers and have the same ip online.
...
1
vote
1answer
782 views
Why is my VPN behaving like this and should I be concerned?
I recently started using NordVPN and have noticed something strange.
Sometimes when I connect to the VPN service in my system tray it will show a wifi connection and other times an ethernet ...
-2
votes
1answer
515 views
Is Private Internet Access (PIA) VPN safe to use? [closed]
As said in the PIA website they pretend to have the following VPN features:
PPTP, OpenVPN and L2TP/IPSec
SOCKS5 Proxy Included
No traffic logs
So my question are: Is Private Internet Access VPN ...
5
votes
6answers
2k views
Difference between SSH Tunnel / Proxy and VPN in terms of security
What benefits does a VPN have over just using a regular SSH Tunnel?
I'm considering setting up OpenVPN on a server, but was wondering what benefits that would have over just using that same server as ...
0
votes
3answers
722 views
Does a self-hosted VPN (openvpn) at home encrypt traffic for my ISP? [duplicate]
Title says it all.
If I host my own VPN at home (using openvpn), and connect my devices to it, will my ISP be able to see the contents of my traffic?
2
votes
1answer
225 views
Can a VPN server be traced through Tor?
I was wondering that if my data was intercepted by Tor by an exit node, would they be able to see which VPN server is being used to encrypt the data.
I am asking because I planned on making an OpenVPN ...
1
vote
2answers
1k views
How does Netflix tell I'm behind a vpn managed with OpenVPN but not other managers?
I run Ubuntu 18.04 and use a VPN service. If I use OpenVPN to manage the connection and connect to a given server, then I can browse the internet as if I'm from that location, except for Netflix, ...
0
votes
1answer
467 views
watch DNS queries while using OpenVPN.-
I want to monitor/sniff the DNS queries I make while I'm using a VPN connection with my OpenVPN client.
My initial motivation was to check if I'm leaking DNS queries; then using this page it seems I'm ...
2
votes
1answer
156 views
OpenVPN configuration and ISP's DNS
I have configured OpenVPN server for using Clouflare DNS - 1.1.1.1. I use OpenVPN connection in the next way: sudo openvpn --config Config.ovpn on my local machine in WiFi network.
My ISP provider ...
1
vote
1answer
386 views
OpenVPN one account multiple servers & Load Balancing
I have recently been experimenting with OpenVPN. My aim is to create a group of servers in different locations with a single username and password for each user stored in a central database. For ...
7
votes
1answer
2k views
Can personal VPN help protecting my behavior on the company laptop?
Update:
I don't care if the company knows I'm using a private VPN (this is allowed and confirmed with the IT department). My only concern is if the company knows I visited nba.com (for example).
On ...
0
votes
1answer
503 views
Limit OpenVPN client certificate to specific VPN with shared CA chain
I've created a private x509 pki structure with openssl that consists of a self signed Root CA, an Intermediate CA and two Signing CA's. The signing CA's are used to separate the signing of ...
2
votes
1answer
197 views
OpenVPN client can still connect to the server after client's tls-auth key has changed
I'm currently getting familiar with OpenVPN by building and testing some client–server infrastructure using VMware workstation.
This is what I've recently noticed: if you manually change some values ...
1
vote
1answer
862 views
What are the possible solution for blocking VPN connection on a home network?
I am not a techie. I am just wanting to force some parentral control using OPENDNS. Opendns works fine however it is easily broken on android or windows using vpn software like ultrasurf or latern or ...
1
vote
0answers
746 views
OpenVPN use auth-user-pass with a file and authenticator
I have an open vpn configuration with the lines
auth-user-pass my-login-creds.conf
static-challenge "Enter Google Authenticator Code" 1
in it. When I try to connect with openvpn my-config.ovpn I ...
1
vote
1answer
879 views
How to auto renew OpenVPN client certificates using easyRSA
I have embedded devices that are located in different cites and connected to my OpenVPN server. I initialize my devices before deploying them and put the certificate/key pair through local network. ...
0
votes
1answer
374 views
Differentiating between IKEv2 and OpenVPN Traffic
There is a WiFi network that I regularly use, and it seems to be blocking all VPN traffic other than IKEv2. I tested this by downloading many of the free/freemium VPN apps from the Google Play Store ...
1
vote
1answer
967 views
Wireguard: Is it suitable for road-warrior scenarios?
Is Wireguard suitable for road-warrior scenarios where the IP address of the client keeps changing? If anyone tried it out already, I also would like to know if it's really easier to setup than, say, ...
1
vote
1answer
2k views
OpenVPN using google authenticator
I'm a little new to OpenVPN. I'm trying to get google authenticator to work with OpenVPN but I'm having a little trouble. Currently I'm tring to setup a radius server to run the authentication then ...
5
votes
1answer
2k views
Is it possible to detect VPN in the network?
Is it possible to detect the use of a VPN in a network?
Let's say that I'm going to use a VPN during my connection in a country where internet is filtered, and to avoid been monitored I installed ...
1
vote
1answer
152 views
Is iptables and vpn tunneling enough? [closed]
What is the best approach to secure connection between two devices over the internet (public IP)?
if there is a firewall on my public IP address deny access all incoming connection, can the hacker ...
6
votes
3answers
742 views
Safe to commit OpenVPN client config to Git?
I'd like to commit my OpenVPN client config to version control, in a repo that's remotely hosted and publicly accessible.
This would reveal the server's hostname and port, as well as the filepaths to ...
0
votes
1answer
1k views
OpenVPN Encryption Algorithm Used For Control Channel Encryption
In OpenVPN which algorithm is used for control channel encryption (--tls-crypt directive in OVPN profile)?
By using --tls-crypt, will there be only encryption or authentication-then-encryption? I ...
0
votes
1answer
257 views
Is there any advantage to using encrypted DNS on a VPN server
I have a personal OpenVPN server. I am worried that the fact the DNS resolution coming out of the server isn't encrypted, since I am the only one that uses the server at the moment, attribution isn't ...
2
votes
2answers
7k views
Connecting to my VPN via IP or domain name?
Background:
So I use a private VPS to host my own VPN, rather than pay/trust another company to host it for me. I am an intermittent traveller so it is cheaper for me to spin up or down my server as ...
2
votes
1answer
506 views
Is it possible to run Responder and/or Layer 2 ARP Poisoning over OpenVPN or an OpenVPN Ethernet Bridge?
Situation: We usually perform penetration tests from Linux machines connected to the clients local network. However for this test the client wants the start point to be a windows machine and has thus ...
0
votes
2answers
288 views
OpenVPN Traffic Capture
Forgive me if this is not the appropriate place to ask this.
I was capturing some traffic on my home server during an active OpenVPN session using Mullvad recently and I noticed that the traffic is ...
