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Questions tagged [tunnel]

226 questions
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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 a way to tunnel via SSH and allow people to get…
Stephen H. Anderson
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route packets from specific hosts to virtual device

PIMv2 I think the issue is with multicast. I want to create a GRE tunnel that supports multicast PIMv2. I am seeing the server sending PIMv2 Hello messages to my gre tunnel but my machine is not responding. ip tunnel add [g0] mode gre remote [remote…
neoh
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Cisco GRE routing semantics to ip_gre

I am reading this article about setting up a GRE IP Tunnel: https://packetpushers.net/anatomy-of-gre-tunnels/ There's a section about creating a GRE tunnel interface on router A R1: interface Tunnel100 tunnel mode gre ip address 102.1.1.1…
ohroblot
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SSH tunnel over multi hops using putty (two hops)

I have these config: Host with putty -- > Gateway A (port 22 open) --> FinalMachine (port 22 with gateway A open and port 18080 with apache). Like I don't have communication from Host with putty with FinalMachine I would like to tunneling the…
user650034
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Can a VPN service be used like a reverse VPN allowing inbound traffic for serving a website?

I’ve done quite a bit of searching, and it seems this can be done, but the answers I seem to find are either vague or responses are something along the lines of “but why would you want to do that?” I’m hoping someone can point me in the right…
Dupre
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Connecting two nodes, dynamic tcp connections tunneling through a central server

Conceptual system in my mind of what i'm looking for: Given two hosts (can be pcs) ! Both can be on dynamic network (dynamic ip)! Both connect to the same central server to find each other! (in my case need! One client host can act as a server…
Mohamed Allal
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Can LACP run over Linux tunnel devices?

I'm looking for a way to know if a tunnel device is up or down without needing to use ping myself. Every single tunnel device (gre, ipip, l2tp, geneve, etc) does not have a logical mechanism to decide if the tunnel is up or down, it is determined by…
nutbush
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Routing one machine's traffic through GRE tunnel to a remote NAT

I had to solve the following dilemma for a friend and thought I'd document how we did it here... Here's the situation: His home network 192.168.1.0/24 and it sits behind a Linux router that performs NAT and has public IP address A.A.A.A. The Linux…
Archie
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Use working GRE tunnel as default on remote server

Purpose is to "protect" my backend dedicated server (B) using a front VPS (A) with a GRE tunnel and use the the new stablished interface (GRE1) as default on (B) in order not to leak the server (B) IP address. That means backend server (B) will be…
safect
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EdgeRouter Route Incoming Traffic to another Public Network/Server

I am curious if this is possible in theory? At my colo datacenter, I have a lot of public IP addresses (/21) on a 1GB circuit using an Edge Router 6P (not using BGP). I want to temporarily rent a server in another data center until I can get more…
Marc Pope
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A gre tunnel between Mikrotik and Cisco router

I really need your help I'm trying to connect a Mikrotik router with a Cisco router with GRE tunnel using Public IPS the problem is when I try to configure keep alive between both routers the tunnel is down when there is not keep alive the tunnel is…
Ibrahim Salah
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How to forward all traffic and IP addresses

I want to build a system that allows me to have "floating IPs". To do this, I want to have a single server with 5 IP addresses. It then relays that traffic to another machine (or more) that contains 4 VPSes. This second machine only has one real…
user3413723
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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 is running pfSense. There are two primary cases…
CoryG
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Setting up a special tunnel

I live in a country with serious difficulties in accessing the free internet. Many sites are filtered, the speed in resolving host names is slow, bringing up web sites takes time, and you feel how slow are the servers in the middle which route your…
hamidi
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How can I accept IPIP connection in CentOS 7?

Guys I have a server with Mikrotik Router OS installed on it and there are some PPTP users using that server as a VPN server . What I want to do is to create an IPIP tunnel between this Mikrotik Server and a CentOS 7 server ! What I'm trying to…
Mr Pro
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