All Questions
40
questions
0
votes
0
answers
52
views
How to prevent iptables NAT caused network jitter?
Background is as follows:
Currently, we have an OpenVPN tunnel that connecting from Point A to Point B (Point B has a public IP address), but if the internet route is suboptimal, the latency is quite ...
0
votes
0
answers
170
views
OpenVPN multihop over tun0 device between two servers
What I have is
A in my region, and B in another region (both servers are CentOS 7).
The reason of this question is
I can connect from A to B and from B to A, but the final goal is to have internet via ...
0
votes
1
answer
626
views
Specify openvpn/wireguard server outbound ip
I have a VPS with a interface eth0, that has 2 IPs, 10.0.0.3 (default) and 10.0.0.5. The 2 IPs are mirrored to external IP by ISP, 1.0.0.10, 2.0.0.20. (Google and Oracle Cloud have the similar ...
0
votes
0
answers
213
views
How does a packet destined for OpenVPN go through iptables?
I have been interested in this question for a long time. I have an OpenVPN server configured, I followed the logs, and did not quite understand the route of packets from the client to the VPN server. ...
0
votes
0
answers
339
views
Port forwarding with a split tunnel VPN on Linux
I'm trying to accept incoming connections to port 20983 on my VPN connection tun0. Right now split tunneling is working correctly, sending all data from user vpn through tun0. I've configured the ...
0
votes
1
answer
1k
views
OpenVPN port forwarding not working on VPS to Linux client
Been through several Superuser and ServerFault questions and I am not able to get this working with iptables. I am trying to port forward a specific port 12345 through OpenVPN running on my Linux VPS (...
0
votes
1
answer
569
views
How do I exclude a port from OpenVPN on Raspbian?
I am running an OpenVPN tunnel 24/7 on my RaspberryPI, but also want to reach it under my real public IP address with port 25565.
I forwarded the port already with my router, and without OpenVPN ...
2
votes
0
answers
273
views
OpenVPN use IPtables NAT without sending all traffic through VPN
I have a VPN connection between two servers that I want to use to allow one to connect to the other's ports and use IPtables Prerouting to make it accessible from the other server. I do not want any ...
1
vote
2
answers
3k
views
Forward port on OpenVPN server to client without redirect-gateway
My Setup:
On the client I have a webserver running on port 443.
The client connects to a remote server via OpenVPN.
The OpenVPN server forwards its port 443 to the client tun0 address (10.0.0.2).
...
2
votes
1
answer
5k
views
How to prevent docker exposing itself with iptables and openvpn
The goal is to:
allow VPN clients to access the internet
have access to the docker subnet (e.g. 178.18.0.0/24)
prevent docker from auto-exposing itself by modifying iptables
manually allow docker ...
0
votes
2
answers
1k
views
Iptables forward all internal traffic
I have a VM with an internal interface connected to local LAN. The VM has a working OpenVPN connection to another site. How do I forward all incoming traffic on the local interface through the VPN ...
0
votes
1
answer
369
views
IP Traffic accounting for OpenVPN users
I'm trying to find a way to do traffic accounting for OpenVPN to build graphs inside the webpage admin panel for OpenVPN. I have everything done. But I cannot get the IPTables to work correctly, I ...
0
votes
1
answer
111
views
Google cloud VM forwards minecraft traffic through openVPN to one client but not another
Background info is available from this question: How to make a Google Cloud VM forward Minecraft traffic to an OpenVPN client?
I have an OpenVPN network currently set up in "tap" mode, with the ...
2
votes
2
answers
479
views
How to make a Google Cloud VM forward Minecraft traffic to an OpenVPN client?
I have an OpenVPN network currently set up in "tap" mode, with the Google VM as the server and a Raspberry Pi 3 client running a Minecraft server.
Users are currently able to connect to the Minecraft ...
2
votes
0
answers
24
views
Routing - Route specific Internal IP''s over VPN device
I'm running OpenVPN with some configs on a centOS7 machine. They connect to remote VPN sites and sometimes they change ip after a reboot. They are called tun0, tun1 etc.
Now i need some devices to go ...