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Questions tagged [tunnel]

226 questions
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Cloudflare Argo Tunnel gives 502 bad gateway sometimes, but it’s fixed when I reload

I have a Cloudflare Argo tunnel with two subdomains. Each of them points to a port on localhost. About half of the time, when I visit those subdomains, they show 502 bad gateway, even though the gateway works fine. If I reload the page it works as…
Globe
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Cloudflare Network Policy - How do I apply my policy to only one subdomain?

I have a Cloudflare Tunnel with two subdomains. I need one of them to be public and the other one to be blocked if the source isn't my IP. I created a network policy that says if SNI Domain is admin.example.com (that is the subdomain that I need to…
Globe
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Nginx and Cloudflare Argo Tunnel - 502 Bad gateway

I am using a Cloudflare Tunnel, along with a Nginx docker container, under the same tunnel network. I followed this guide to set up Nginx with Cloudflare. The goal is for me to be able to reach ports externally with HTTPS and without exposing the…
Globe
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No IPv6 connectivity on the router behind the NAT

I have the following scenario. My ISP does not provide IPv6. As common practice, I've created a SIT tunnel with Hurricane. My network is the following. WAN (eth0) ------------ router A |eth1 | WAN…
Mazzy
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Windows 10 and OpenSSH to encrypt a local TCP port

I'm working on a Windows 10 machine. I wrote 2 apps: server and client. Both of them communicate via standard TCP sockets, no encryption. I installed OpenSSH, no certificates at the moment, just password login to keep things simple. I don't want to…
Codeluppi
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send traffic from openvpn to IPIP tunnel

We have a network interface that is open to the Internet. (ens160) We created an ipip tunnel and it was established correctly as expected (we placed 10.10.30.1 <-->10.10.30.2 | mytun) then we tried to create an OpenVPN interface to allow remote…
mohsen shahbazi
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IP Tunnel - First router is not sending traffic to the second one

I'm a beginner when it comes to Mikrotik . I'm trying to run an IP tunnel between 2 RouterOS . First Router is set up as PPTP and L2TP server and clients can connect and use the internet but what I want to do is to set up an IP tunnel so when…
Mr Pro
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tunnel vpn connection from middle server to openvpn

for special usecase we need to tunnel a middle server to openvpn so when we need to connect to vpn we would call a middle server and from there we make a tunnel to the vpn server we used iptables role to redirect port to port but no luck tile now…
emad fanaeian
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GRE tunnel doesn't forward connection from proxy to server

I'm trying to setup a GRE tunnel for an anti-dos solution for my Minecraft hosting. Server A is the server which forwards the connections to the backend server. Server B is the backend server. Whenever I connect to a normal Minecraft server on…
sidboy55555
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XFRM IPsec over Geneve

I need to run IPsec over a Geneve tunnel (or GRETAP). I can get the IPsec tunnel to work using public IPs as endpoints (so it's just IPsec) but not using private IPs on the Geneve link (so it's IPsec/Geneve.) The Geneve tunnel is up and…
Jeff Learman
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Routing all Traffic through a VPN Node while accepting incoming WAN Connections

I want to route all traffic through another VPN-Node, while: Keep the Connection to the VPN-Server active (already works) Still accepting WAN-Connections on that Client. My Client Node Configuration: # 35.1.1.1: WAN IP of VPN-Server # 192.168.8.1:…
Arakis
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Wireguard won't tunnel all traffic to server

I'm having a heck of a time getting WG to tunnel all my traffic back to the server. I thought it would be a simple one line process, but it isn't. I've installed the latest version, removed, reinstalled, done just about everything. iptables…
Matthew Leeson
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How to hide origin IP of SMTP server by tunneling/proxying incoming port 25 traffic to real mail server

We have most of our stuff behind Cloudflare. However, some services such as mail (ex: mail.mydomain.com MX record) cannot be pushed through cloudflare and they expose our mail server's IP which makes it easy to discover where our infrastructure is…
user3630380
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Configuring a VPN using Policy Routing on Zorin (Ubuntu 20.04)

A bit stuck here. Semi familiar with routing and semi familiar with linux. Just enough to be dangerous but apparently not enough to be dangerous enough. Hoping someone can point me in the right direction here. I am pretty sure what I need to be…
SureThing
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Issue with cross OpenVPN tunnels

I have the following network topology. I'm physically located at VPN Client 1. First, I successfully establish VPN Tunnel 1 and VPN Client 1 connects to VPN Server 2 and is able to talk to VPN Client 2 which is connected to the same LAN as VPN…
Cur10usMind
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