Questions tagged [tunnel]

Tunneling is the act of encapsulating one protocol inside another.

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What is tcp/ip packet flow in client with vpn tunnel

I'm pretty newbie in VPN networking so I've got a conceptual question. My scenario there's a client that connected to VPN with ruleset that tunnels some packets into remote VPN proxy for analysis and ...
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openVPN for macOS, can I change the tunnel to wireGuard or IpSec?

I've got .ovpn file that configured to connect my openVPN client running on macOS to remote openVPN server for tunneling my network tranffic over there. I was wondering why does my openVPN doesn't ...
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SSH tunnel: the middle host has the key to the final host

I'd like to implement a (temporary, won't be a stable configuration) SSH tunnel, so I can SSH to box C from box A going through B. A--->B--->C I learnt that it can be done by running 2 commands ...
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Multiple separate VPNs with only one OpenVPN server and port?

I like to have multiple completely separated VPNs, with only one OpenVPN server, all on one IP address and port, like this: +-------+ +-------+ | Romeo |---+ +--...
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No data when using PuTTY SSH Tunneling

I am trying out SSH tunneling using PuTTY. On my Windows computer, I have PuTTY running with a tunnel going from port 1556 to remoteipaddress:1556. On the remote server, I have a Python3 socket server ...
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Tunneling from the Internet to my Chromecast

Suppose I want to allow my friend to play, from her home, a Google Slides presentation on my TV screen which is connected to a Chromecast device. However, Google Slides only allows her to cast her ...
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Tunneling or port forwarding with Windows 2016 and Gateway in the middle

I connect to the office PC (Windows Server 2016), by RDP with a gateway just before it connects and established in the RDP properties before conecting. After I connect to the office PC by RDP, I can ...
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Change NordVPN tun interface name

I want to run NordVPN in multiple docker containers. When using the host network the NordVPN client creates and uses a tun0 device. However, when running a second container, it is trying to create and ...
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Setup 2-hops ssh tunnels in MobaXterm or KiTTY

I want to do multiple-hop ssh tunnels with KiTTY or MobaXterm in Window 10. I use MobaXterm because of password saving feature so I don't have to waste time for enter server's passwords. And KiTTY ...
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120 views

Define PFS Group in Strongswan IKEv2/IPsec Phase 2 Settings

I am trying to setup a VPN connection on Ubuntu 20.04 using Strongswan. One of the requirements for the tunnel is to use PFS group 20. Is the PFS group 20 being set when we have the following line in ...
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SSH Reverse Tunneling via Jump PC

I need to know if this is possible and what commands are needed. I have a cloud based server that I am using for a jump PC for SSH tunnels. I have a tunnel to the jump PC that listens on port 2222 ...
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How to set up a 6to4 tunnel on windows

There are 6to4 tunnel services like http://tb.netassist.ua/ or https://tunnelbroker.net/ but how can i set up those on windows? if I run the script (for example from netassist): netsh interface teredo ...
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Chunked HTTP response does not come through completely

Consider the following setup +-------+ +--------+ +----------+ | | | | | | | +----------->+ +---------->+ ...
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Forwarding a port to a local address using iptables

I'm running a TeamSpeak 3 server on a home server. I would like to mask the IP address of the home server so I am using a VPS as an entry point to my TeamSpeak 3 server. I found a tutorial online that ...
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Can OpenVPN create multiple tunnels?

I have a single Linux machine with 10 network interfaces, none of which support port forwarding. I am trying to find a solution where I can expose all 10 interfaces publicly, and I considered using ...
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210 views

Route all traffic through TUN interface

I want all my traffic go through TUN interface. Here is the flowchart So, as you can see, the traffic is routed to TUN iface on 10.0.0.1 address from every program. Then, the program attached to the ...
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What could cause a reverse SSH port forwarding tunnel to not work when initiated but start working exactly at midnight?

I followed this guide to forward a port on my VPS (public static IP) to access a Nextcloud installation on a remote server behind a firewall. It worked - sort of. At any point in time, the remote ...
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OpenSSH permitopen directive randomly fails in resolving a real hostname

I have a Linux server that acts as an incoming SSH tunnels hub for my users. Since I need to let my users access only a limited number of hosts/ports, I added the permitopen directive in their ...
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How to remove or else correct networktunnelx64.sys and related BSODs?

some time ago, I purchased the app PingZapper in order to have low latency in some of my gameplay in my W10 1909. It didn't take much time for me to start experiencing BSODs all pointing out to the ...
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IPSec Phase 2 Configuration For Translated Subnets?

I have two networks with the 10.0.0.0/8 subnet I'm trying to connect via IPSec tunnels. I have the phase 1 configurations working but am a bit stuck on the phase 2 configurations. Each firewall used ...
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how to define tunnel to get redirected to the wanted server

I've two servers on centos 7. Let's say the (#1) IP is: 192.168.192.50 and the second (#2) is 192.168.180.51. On the #2 I've Artemis with active broker on port 61616. On the #1 I would like to send ...
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Routing packets from local tunnel to outside network

I have created a tunnel, which has no outside connection. It will act as a local tunnel and carry out: get the packets from the linux machine performs functions such as filter, drop and repack ...
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330 views

How can I create an IPsec tunnel between a FritzBox and a pfsense, without using Aggressive Mode?

I've successfully created an IPSEC Tunnel between my local FritzBox 7590 and my office, which is running a pfsense hardware firewall (APU2) with pfsense 2.4.5-RELEASE-p1 and coreboot firmware v4.11.0....
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43 views

routing through wireguard tunnel interface on client host

I'd like to use wireguard as my VPN solution. I use mullvad, so I can use their servers and keys for configuration. After I do sudo wg-quick up wg0, I connect: interface: wg0 public key: <client ...
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tunneling between two linux server

if we have two server let's say server1(92.92.92.92) server2(76.76.76.76). I'm working on redirect incoming traffic on server1 port 4444 to server2 port 12345,this is easy with iptables rule on ...
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Wireguard tunnel consistently failing

I want to use a VPS to forward traffic to a host at home. There is one wireguard docker container on each machine, and a webserver (Traefik) on the host. HTTP and HTTPS is working fine from the host, ...
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ngrok kex_exchange_identification: read: Connection reset by peer

I've got a raspi (in my robot boat project) connected to the internet over a 3G connection using a dongle with a simcard. I then use ngrok to expose ssh to a static address so that I can always ssh ...
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SSH reverse tunnel proxy can't open https traffic

I'm using two RaspberryPi, one of them is natted, and i've estabilished a reverse tunelling in order to reach the natted raspberry. This is the scheme A <----> B (nattedd) This is the code in B: ...
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Looking for an ipv4 over ipv6 tunnel

So my internet has half died. Something got broken on the IPv4 side so all we have is IPv6. This has happened before as well. (Not gonna get into the headaches of customer support here.) I have seen ...
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503 views

VNC Viewer for Windows with NATIVE SSH tunneling support?

does somebody know of any VNC client supporting SSH tunneling natively? Of course you could use putty to setup the tunnel and then connect to to the VNC server. That's perfectly working and fine but ...
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How to view localhost website like 'http://localhost/wordpress' in a remote desktop using TCP-tunneling?

I am trying to access my locally hosted website in a laptop from another desktop in a different network, I want to use TCP-tunneling feauture in anydesk to do that, I set up tcp tunnel to my laptop by ...
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265 views

How to use a dynamic port forwarding tunnel via a bastion/jump server using PuTTY without WinSCP

I have a requirement to connect to a remote JMX server via an SSH bastion/jump server. I can successfully use a Linux ssh client to achieve the desired result and also can use a PuTTY session ...
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30 views

Setting up an IP tunnel between two computers not working as expected

I have a machine hosting a server. Lets call it . I have another machine with an ip that I want to put on on Both are on centos I used to do this years ago and can't find my notes and my memory is ...
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How to user/make own NGROC(Local Tunnel) alternative on my own server

I have a small ubuntu server online and a domain name x.com lets say and x.com is pointed to my online server, so at home, I have these powerful PC that can serve as a server. What I wanted to do is ...
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260 views

Why SSH with SSHPASS doesn't create a tunnel

I want to connect to a server through the ssh tunnel without having to enter a password. When I try it without sshpass command, it works. Example 1: (works fine) ssh -f -N -L 2001:server1.com:22 ...
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170 views

GRE tunnel to home network

I'm trying to setup a GRE tunnel from a VPS from Hetzner to my home server. My home server is exposed via DMZ through an Asus RT-AC68U router. I'm using this tutorial: https://community.hetzner.com/...
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51 views

Connect a wireless client to a remote WiFi AP which is not configurable

let me introduce the scenario. AP#1 <-----> (Linux #1) <-----> Intermediate Network <-----> (Linux #2) <-----> Wireless Client In summary, I need that an application running ...
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319 views

How to debug “network is unreachable” error for a virtual Linux interface

I have only loopback (lo) and virtual interface in the system. I closed all other interfaces. I also stopped firewall, selinux and iptables. I want to ping an IP address in route table, but I get the &...
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103 views

SSH Tunnel between to 2 computers using a gateway server

I want to create an ssh tunnel between 2 computers. This is my current setup: Fig. 1 --------- SSH ----------- SSH --------- | A | ---------> | Gateway | <--------- | B | ...
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883 views

Accessing localhost web server via reverse SSH tunnel and URL

I have a web server running on a local machine and it is easily accessible to all machines on the LAN. I also have a remote server with a public IP address/URL pointing to it (example.com). I cannot ...
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242 views

SSH Tunnel from Windows through Linux to Windows

I'd like to establish an SSH tunnel via a Linux jump host in the following way: Host A is Windows-based and has a private key to authenticate with the jump host (Host B) Host B is Linux-based and has ...
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81 views

How to connect on IPv6 over a IPv4 Network using Pritunl?

I'm trying to connect in IPv6 over a IPv4 connection using Pritunl (https://pritunl.com/). Pritunl makes an easy implentation of OpenVPN. I'm using a server machine on Vultr with both IPv6 and IPv4 ...
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696 views

How to setup IPSec VPN between PFSense and Edgerouter X

We have 2 routers/firewalls, 1x pfSense and 1x UBNT Edgerouter X. I tried to setup an IPsec site-to-site connection between these 2 but i cannot get it done. I followed multiple "tutorials"/...
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connect to web service using securecrt tunnel

Hi all i have 2 servers. S1 and S2. i can connect to S1 ssh directly but to S2 i can't only ssh from S1 ex: root@S1]: ssh root@S2 connection success i configure web page on S2 and need to ...
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133 views

Openvpn L2/tap losing packets

[EDIT] This seems to be an OpenVPN bug - bridging with the server-side of the openvpn tap tunnel results in lost ARP packets, but bridging with the client side (of any client connected to the vpn) ...
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39 views

SSH reverse tunnel intermediate host

I have a scenario of 3 machines (A, B, C) all on different locations. All of them are behind NAT, where only B can be accessed from the outside world through forwarded port 12345 on the router on site ...
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41 views

How to setup a SSH Tun Device?

I am trying to link two Ubuntu 20.04 servers together so that they both share an IP Server One is a cloud server with its own dedicated IP with DDoS protection and a hardware firewall. Server Two is ...
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Create a public tunnel that points to a foreign public IP to access a game server

I have a server that I have SSH access to, let's say 34.91.54.12. There is another server somewhere in the internet, I have no access to, let's say 54.123.65.13. This server is hosting a game server ...
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46 views

Creating a tunnel to host my dynamic ip website at home

I have a very powerfull machine at home and I would like to use it to create a website. The equivalent in money for this server would be 1000$/month. Since my IP is dynamic in theory (event when it ...
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Forwarding subdomain.example.com to localhost:25565 (for free) [closed]

Objective How can I forward subdomain.example.com to localhost:25565? without paying for a service without router admin access without exposing more than port 25565 of localhost using Google ...

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