Questions tagged [tunneling]

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strongSwan: Accessing LAN of a Windows client (reversed remote access)

I am currently having an Ubuntu Server strongSwan setup (IKEv2, EAP-MSCHAPv2) that will allow any authorized remote Windows client to access server's LAN (192.168.7.0/24). It works perfectly, but I ...
ivanthestupid's user avatar
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1 answer
115 views

How to export local service to server with a public domain?

I am pretty new to this. But I have two devices, both running debian. One is a school server (with public domain), where I don't have root access. Second is a virtualmachine with bridged adapter to ...
not Sam's user avatar
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0 answers
197 views

Simple MySQL tunnel without SSL or SSH?

What I have I have a MySQL database that allows whitelisting only 2 individual IP addresses. No other access to that server except a MySQL username and password. What I need I need to connect Google ...
ᴍᴇʜᴏᴠ's user avatar
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0 answers
25 views

Allow access to local mongodb database to a different network

Is it possible to do tcp port forwarding using windows settings without having to access router settings? I am trying to give access to my local mongodb database to someone on a different network to ...
Ahnaf Ahmed's user avatar
3 votes
1 answer
248 views

Choose any available SSH tunnel

I need to connect to a remote server behind jump hosts. There are several jump hosts (residing in different regions) that I can tunnel through to reach this remote server. So I need to connect to this ...
LKM's user avatar
  • 31
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1 answer
68 views

VPN server+client without client-specific settings

I have SBCs with Debian. These SBCs will send data to server (using e.g. REST), but I want to secure the connection using some VPN/tunnel and I want also to be able to remote access the SBCs for ...
Daniel's user avatar
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0 answers
84 views

Match traffic based on port with Cloudflare Tunnel

I am currently setting up Cloudflare tunnels for testing. I have a working tunnel setup on my origin server that is running nginx as a reverse proxy with a number of hostnames each having 2 distinct ...
MoWo's user avatar
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244 views

How to select packets in iptables in nested IPIP tunnel?

I have IPIP tunnel as shown in tcpdump output bellow: IP 192.168.240.112 > 192.168.250.112. Inside this tunnel, there is a traffic in another IPIP tunnel IP 10.233.86.94.35938 > 10.233.100.199....
laimison's user avatar
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246 views

SSH port forwarding using python

I have a VPS that serves as my VPN server, and I want to use this VPS as a VPN using forwarding for my laptop which uses windows as OS. Is it possible to do so without using software like PuTTY, ...
mostafa ahmadi's user avatar
1 vote
0 answers
218 views

Forwarding all trafic with ipv6

I have two ubuntu server, one server from Iran and other from England On the England server run V2ray vpn and i should have some tunnel from iran server to foreign country for best quality of speed ...
MHmansouri's user avatar
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1 answer
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Set IP address from VPN service (not from internet service provider) as main IP for server

I’m currently trying to get 3-4 servers for our business, situed in our office, but the main problem for us is IPv4, as in Canada, ISP charge basically ~15$/month for a single IP. It not really a ...
Wtrnd's user avatar
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674 views

Ready made docker-compose.yml with Wireguard client and Traefik router to expose Proxmox home server to internet

I want to expose web services from Docker container running in LXC and from virtual machines to internet through Traefik router, single Wireguard tunnel and VPS. I also want to use same tunnel for SSH ...
marko kraljevic's user avatar
0 votes
1 answer
844 views

forward all traffic to another machine using reverse ssh

I have the following scenario Local Network | ...
Arash Sadeghizadeh's user avatar
0 votes
1 answer
575 views

Routing only tcp outgoing traffic through a tun0 interface

I have an ubuntu 20 system, and I'm trying to create a tunnel between my system and a remote server since my client system can't have any incoming/outgoing TCP traffic. I created a tun0 virtual ...
Yarden's user avatar
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927 views

How does a http proxy server proxy https requests?

Searching through the web, I still don't quite understand how a proxy server proxies HTTPS. I read that an HTTP proxy knows the port number and SNI of a CONNECT request, but if the proxy itself is ...
Mingheng Wang's user avatar
0 votes
2 answers
316 views

Want to set GRE as the default network

I have configured 2 servers, SERVER A and SERVER B. (I have followed this tutorial: https://community.hetzner.com/tutorials/linux-setup-gre-tunnel) I have used SERVER A for GRE tunnel to SERVER B (...
Ishan k's user avatar
0 votes
1 answer
305 views

CentOS - SSH Tunneling: How to use another server's network

Assume two CentOS instances are connected to the internet‌ (Say server A: 5.200.200.5 and B: 46.30.7.20). I want to create a setup on servers in which all network traffic of server A passes through ...
Iman's user avatar
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1 answer
41 views

using e.g. ssh over openvpn, is the traffic actually addressed to 22?

Given that Client A and Client B are using OpenVPN and they are on the same virtual network. A connects to B via e.g. SSH. In front of B there is an external Firewall or whatever. Is the traffic which ...
tollo's user avatar
  • 103
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1 answer
150 views

tunel ssh: set remote listen ip

I want set a ssh tunel and Forward de remote ip/port to local ip/port local has ip 192.168.1.20 remote has ip 12.0.3.213 so ssh -R 12.0.3.213:6666:localhost:6666 <my_remote_user>@<...
icalvete's user avatar
  • 141
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158 views

SirTunnel (python script) vs already exist https server (node.js) is it possible

I found https://github.com/anderspitman/SirTunnel This is usage: How do you use it? If you have: A SirTunnel server instance listening on port 443 of example.com. A copy of the sirtunnel.py script ...
Nikola Lukic's user avatar
0 votes
2 answers
781 views

FTP over SSH (not SFTP?) when files are on third server not SSH server

I have a machine A. From it, I can SSH to machine B. Machine B can FTP to machine C. I want to download files from C, onto A. I do not have access from A to C directly. Port 20 and 21 ...
falsePockets's user avatar
0 votes
1 answer
177 views

Public domain name for server running on laptop

What is a good way to use a public domain name to access a server running on my laptop? Note: My laptop's IP is not static and could be anywhere, at my apartment, in a coffee shop, tethered to my cell ...
Chris Dutrow's user avatar
0 votes
1 answer
3k views

Solved - Router as WireGuard client | External User IP is shown to be WireGuard tunnel's local IP on home server [EdgeRouter]

I have set up my EdgeRouter-X as a WireGuard client (using IPv6) so that my public IP is shown to be the WireGuard server's public IP. This is because I want to host an home server using OVH's IP and ...
Nicolò's user avatar
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1 answer
308 views

Ubuntu use ovpn on existing tun interface

Is it possible to configure OPENVPN on existing tun interface using .ovpn config file? I have interface tun1 sudo ip tuntap add mode tun dev tun1 and config file ./vpn.ovpn and i need to configure vpn ...
jomal j's user avatar
0 votes
1 answer
902 views

Passthrough VPN Tunnel w/ iptables

My email VPS is getting to its limit but it's dedicated IP is well nurtured and I just cant part with it. I'm trying to setup a test environment where I establish a VPN server on the VPS just to ...
Milke's user avatar
  • 3
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0 answers
422 views

Route TRaffic from tunnel interface to Internet DSLite

I am setting up DSLite AFTR in Ubuntu machine. I am able to setup the tunnel between Rpi(B4) and Ubuntu(AFTR). The tunnel is of type IPv4inIPv6. I am running Dibbler server on Ubuntu and dibbler ...
saran's user avatar
  • 1
0 votes
1 answer
91 views

Allow access to webserver located in a LAN from remote server hosted at GoDaddy

I want to allow people to access a webserver located on acomputer in my LAN buy my ISP does not allow me to open any ports. I have a website hosted on a shared hosting that allows ssh access. Is there ...
Stephen H. Anderson's user avatar
1 vote
0 answers
164 views

IP Binding Issue in using GRE Tunnel

I have a issue with tunneling and am having a hard time finding a solution. I have two servers, A: Host-Server being a sever with a single IP, and B: Main-Server being the server handling all our ...
NinjaDestroyer's user avatar
1 vote
0 answers
1k views

WireGuard Chain Tunnel

I'm trying to build a chain WireGuard Tunnel. Right now testing, but I'm stuck. I have two WireGuard servers, 1st one is in India 2nd one is in Singapore. Here is what I'm trying. Client < 10.26.26....
Aman Juman's user avatar
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0 answers
455 views

How to forward a port via an IPv6 tunnel?

I have a service on port 8080 of my local machine, which I have created an IPv6 tunnel via Hurricane Electric’s service for on https://www.tunnelbroker.net I can ping the tunnel. So that part works, ...
neolith's user avatar
  • 101
0 votes
1 answer
1k views

Routing part of OpenVPN traffic into an IPSec tunnel on the server

I am trying to configure OpenVPN Access Server to route certain traffic through an IPSec tunnel established on the OpenVPN server. These are the addressing details: OpenVPN client IP range: 10.0.1.0/...
Martin Melka's user avatar
1 vote
2 answers
2k views

SSH Tunnel - Performant alternatives for exposing a local port to remote machines?

I have Server A running at home in a Carrier-Grade NAT environment. Due to this I cannot open a port directly in my router. I also have Server B on a cloud hosting provider, which has a static public ...
dada513's user avatar
  • 11
0 votes
1 answer
40 views

Reliable transfer protocol designed for a known static bottleneck size and high packet loss?

AFAIK, most reliable transfer protocols like TCP tends to use some method (like packet loss) to detect the size of the bottleneck. In my use case, however, the bottleneck bandwidth is a known value of ...
Azuresonance's user avatar
0 votes
1 answer
262 views

forwarding packets between two openvpn tunnel networks on the same host

I have two p2p tunnels to two different servers on a host, tun1 and tun2: (host is Ubuntu server 18.04) (Server 1: IP1) <--> (Host: IP0) <--> (Server 2: IP2) For tun1 to server 1 I have: ...
raitech's user avatar
  • 91
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0 answers
1k views

Forwarding Traffic from TUN interface to XX

My setup is the following: I'm writing a program that creates a tun interface and writes raw (Layer 3) packets to that interface. For example a ICMP ping packet (to make things easy). Now i want to ...
Juan Thomas's user avatar
-2 votes
1 answer
323 views

How to use public IPs from remote network in my local network

The image shows the current remote setup and proposed local network I have 2 networks at different locations. For your better understanding one network I named remote network and another is local ...
Ferdous Zahan's user avatar
0 votes
1 answer
578 views

Accessing local network from a different network using cloud server

I'm not sure if this title is correct, but I have an OpenVPN server on an AWS EC2 instance that I want to use to ssh into my local network machines when I'm on a different network. A simple method I'...
steven hurwitt's user avatar
2 votes
0 answers
728 views

How to force the server to set ppp0 and ppp1 for the specified VPN connections?

I have two different VPN connections on a server as below: The first connection from a mikrotik server (192.168.100.128 as the client) to the main server (192.168.100.99 as the host with ppp0). The ...
kia's user avatar
  • 21
0 votes
1 answer
884 views

preventing ipv6 packets from being generated when creating a gre tunnel

I have a veth device, each side of it is in a different network namespace on the same machine. I am creating a gretap tunnel over this veth. when setting the gretap device to up state I can see a lot ...
barisdad's user avatar
  • 151
0 votes
0 answers
683 views

Suppressing ICMP protocol 47 unreachable with userspace GRE implementation

For reasons that would require a lot of irrelevant context to explain, I'm handling GRE packets with a userspace process with a SOCK_RAW/IPPROTO_GRE socket. This is working fine, except that despite ...
R.. GitHub STOP HELPING ICE's user avatar
1 vote
0 answers
50 views

Linux: network inteface tunneling include states

I would like to implement network interfaces tunneling between two machines. I also need to synchronize the network interfaces states: Machine A: Machine B --------------------...
Sebastian Mountaniol's user avatar
0 votes
0 answers
3k views

AnyDesk TCP tunnelling port "closed" since Windows 10 2004

I connect to my company computer via AnyDesk. I have set up a TCP tunnel from local port 11111 to remote port 22, to have an SSH connection to the remote machine. This stopped working since I ...
Hey's user avatar
  • 215
0 votes
1 answer
779 views

Tunnel Linux traffic to Windows

I have two servers. Windows and Linux. Let's say Linux has the IP 1.2.3.4 and Windows 5.6.7.8. I want all traffic to be forwarded to windows as a tunnel. If I connect with 1.2.3.4:329 I want to ...
DGB Productions's user avatar
0 votes
1 answer
43 views

Best way to link two systems [closed]

I am trying to link two Ubuntu 20.04 servers together Server One is a cloud server with its own dedicated IP with DDoS protection and a hardware firewall. Server Two is a much higher performance ...
Daniel's user avatar
  • 3
0 votes
0 answers
882 views

Forwarding Home Game-Server through GRE Tunnel | Can't ping remote GRE IPs

I am having trouble routing my game-servers through GRE. I do not receive a ping from either side when pinging them. I can ping the local GRE interface; however, I cannot ping the remote GRE interface....
planetnation's user avatar
0 votes
2 answers
1k views

How can I setup a dual SSH tunnel so that two machines A and B behind firewalls ssh into a central sever such that A can VNC into B?

I need to connect via VNC from my machine A to another machine belonging to my friend B. Both of us have no way to open incoming ports - ISPs do not allow tunneling unless you buy a static IP based ...
rep_movsd's user avatar
  • 103
0 votes
1 answer
38 views

How to tunnel private adress based on etc/host record?

I have machine A (MacOS), and Server B in private network (ubuntu). In etc/host on B I have something like: 192.168.63.123 abc.abc.com 192.168.63.123 abc2.abc2.com 192.168.63.123 abc3.abc3.com I ...
Sebastian 506563's user avatar
1 vote
2 answers
2k views

Routing tun0 traffic through tun1 (double-hop VPN)

Goal: route all internet traffic from eth0 -> tun0 -> tun1 for double-hop VPN. Is the following routing table correct for that goal? $ ip route show: 0.0.0.0/1 via 10.8.1.1 dev tun1 default via 10....
qatime's user avatar
  • 13
-1 votes
1 answer
2k views

Netmask for point to point ip address?

In a point to point tunnel, I was able to have the same IP twice. It looks like a bug, I think that might be related to some internal representation of the netmask. It can be reproduced with the steps ...
Eduardo Trápani's user avatar
0 votes
1 answer
268 views

Install packages through a 2 ssh tunnels

I have the following scenario: Server_A : Host that needs to get packages installed Server_B : Host that it's used to connect to Server_A Server_C : Host that it's used to connect to Server_B ...
X3MBoy's user avatar
  • 121

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