All Questions
50
questions
1
vote
1
answer
2k
views
Cannot ping OpenVPN server from different subnet
I have a cloud OpenVPN server and my goal would be to be able to access my home network from OpenVPN clients connected to this server. Currently, I have an OpenWRT router that is a OpenVPN client ...
- 101
32
votes
3
answers
89k
views
How to detect if a network is blocking outgoing ports?
How do I confirm if my network is blocking outgoing ports?
I'm having issues accessing services on servers running on ports other than port 80 and 443. For example, I cannot ssh into any of my ...
- 1,616
3
votes
2
answers
6k
views
iptables rules to allow devices on VPN to access internet
I have a linux firewall setup as my home network gateway that is correctly leasing IP addresses to devices on my network, and those devices have internet access.
I also setup OpenVPN on the same ...
- 131
1
vote
2
answers
433
views
VPN, bridge, router or firewall?
Please, help me figure out which implementation path to take for the following task:
I have a blackbox device that acts as a webserver (I can connect to it locally by typing its IP address in the ...
- 113
1
vote
0
answers
489
views
Prevent blocked Apps from bypassing Firewall through VPN
I have a big problem where before using a VPN I had Windows Firewall Control app prevent certain apps from accessing the internet.
It used the windows firewall and blocked all access that I didn't ...
- 135
4
votes
1
answer
114
views
How does the windows DNS resolver hurt VPN software?
I recently came across the following article: https://medium.com/@ValdikSS/beware-of-windows-10-dns-resolver-and-dns-leaks-5bc5bfb4e3f1
This article explains that:
Windows 10 DNS resolver sends ...
- 269
1
vote
0
answers
692
views
Run servers behind double-nat or firewall using OpenVPN
I have the following:
A laptop behind double-NAT or Firewall
A Cloud Server with full access to the outside world (AWS/Azure etc.) that I can install an OpenVPN Server on
On my laptop I run various ...
- 398
0
votes
1
answer
373
views
How packets traverse tun+ adapter on firewall
I am familiar with Iptables, and recently I wanted to build a statefull firewall which is connected to a openvpn server.
If someone is willing to explain, how for example eth0 (WAN), eth1 (LAN) and ...
- 173
1
vote
1
answer
1k
views
openvpn configure iptables to allow only port 80/443 and throttle all other
I'm using Openvpn to let people go on the internet. All is working fine but i want to restrict the use torrent/P2p traffic.
Instead of trying to block that by trying to identify them all separately i ...
1
vote
1
answer
732
views
Getting an OpenVPN connection through restrictive firewall
First of all, when I try to connect from my phone through my mobile network using the same configuration everything works fine, so the configuration seems to be correct.
However, when I try to access ...
- 111
1
vote
0
answers
535
views
OpenVPN clients can connect to anything on the LAN except the OpenVPN server?
I have OpenVPN running on pfSense 2.3.2. Right now I have it mostly working except for one small thing: I can connect to anything on my LAN except the pfSense server itself.
Some details:
I'm ...
- 11
0
votes
2
answers
168
views
Cannot go on Internet from my remote location over vpn connection
Many information exists on this forum and Internet but I just can't filter out the solution for me.
My setup is quite simple. I just installed pfSense and configured OpenVPN server on it. I downloaded ...
- 116
0
votes
1
answer
877
views
How do I force all traffic through VPN
I am using Debian 8, with openvpn, I am able to connect to the vpn but traffic (ping google.com) isn't working (ping: unknown host google.com). Ontop of that I'd like to add an ip table to the ...
- 1
1
vote
0
answers
1k
views
OpenVPN fails on different port
I have an OpenVPN setup with a linux server and windows client in mode-server with tap and over UDP. Everything works with port 1194. But I want to change to port 500.
On my firewall I forward port ...
- 589
0
votes
1
answer
195
views
No internet through OpenVPN
I am having trouble with my OpenVPN setup. I have a Linode box with an OpenVPN server installed on it and I managed to get Tunnelblick to establish a vpn connection from my mac. I followed this guide ...
- 213