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Questions tagged [tunnel]

The tag has no usage guidance.

-2
votes
0answers
18 views

VPN client on VPN server [on hold]

I have linux server which I use for work and browsing (connecting to it via openvpn). I need to run openvpn client on this server. So the scheme will be like me -- vpn-- linux server -- vpn -- ...
0
votes
0answers
30 views

Connect to an IPv6 address from IPv4 [on hold]

My new ISP is taking part in the switch from IPv4 to IPv6, which means that by default new subscriptions (like mine) all receive an IPv6 address range, which is cool and all, I, for one am an advocate ...
-3
votes
0answers
27 views

How can I create GIF tunnel

I am able to create GRE tunnel in ubuntu. But I know that GRE cannot carry layer2 traffic, that's why I want to use GIF tunnels instead. How can I create GIF tunnel in ubuntu ?
1
vote
0answers
18 views

If an echo from tunnel interface IP is successful but an echo from the tunnel interface source fails, is that an outage with ISP?

Trying to track down an outage. Our Cisco ASR has a tunnel configured as IP: 100.64.#.# Source: 192.#.#.# (Amazon DX block, this address is also configured as a loopback on another interface) ...
0
votes
0answers
33 views

raspbian to FortiGate VPN tunnel

Can anyone please help me setup a raspberry pi to create a tunnel between my office and the raspberry pi that is connected to a a mobile device for internet However the raspberry pi network is not ...
0
votes
0answers
8 views

How to Specify HASH on google cloud?

I'm making a tunnel between a cisco router and a vpn in google cloud. From google I am using the options that come in the web environment, but I need to specify the hash algorithm to sha1, since the ...
1
vote
1answer
70 views

How to get reverse tunnel IP

I created reverse tunnel from Server to Endpoint using command: ssh -R 127.0.0.1:4000:localhost:81 user@server.domain Tunnel was created on Endpoint side and it leads from Server port 4000 to ...
0
votes
0answers
23 views

Packets not routed via IPSec tunnels

I'm running Brocade vRouter 5600 based on Vyatta. I've got 2 gateways running in high availability, and they've run in a couple of years working fine. I'm trying to setup a VPN/IPSec on one of my ...
2
votes
0answers
128 views

Run openvpn inside docker and use as gateway for internet for other networked devices

I am trying to run tunnel all my network traffic on my LAN via an OpenVPN client running inside a docker container. My router and default gateway is running on 10.10.10.1 I have OpenVPN running on ...
1
vote
0answers
26 views

Tunneling on Linux through VPN on windows host for yum

I need to upgrade and install some yum packages on remote server without internet access that's only accessible with a VPN client on a Windows host. Once this VPN connection is established the Windows ...
0
votes
0answers
26 views

How to tunnel an IPv6 website through an IPv4 in a VPS? [duplicate]

My ISP will only let me host things in IPv6. I'm hosting an IPv6 http page and need people with IPv4 connection to access it. I have a VPS which can be used to grab the IPv6 page and return as an IPv4 ...
0
votes
1answer
56 views

Configure L2TPv3 on Ubuntu using hostnames for peers instead of IP

Is it possible to configure L2TPv3 using ip l2tp commands on Ubuntu 18.04 but using hostnames for peers instead of static IP addresses ? If so can someone give me a hint on how to do this ?
0
votes
1answer
52 views

IPTABLES not blocking EoIP Tunnel

So I decided to play with EoIP Tunnels today on two VMs which I installed free trial RouterOS on them. I set rules on iptables on the hypervisor (which is Proxmox) that prevents any input to vms ...
0
votes
0answers
15 views

call ifconfig static ip configuration after ssh login

I would like to establish an ssh tunnel via sudo ssh -w 0:0 -o Tunnel=ethernet root@server When this connects to the server I currently need to call sudo ifconfig tun0 162.0.0.102 netmask 255.255....
0
votes
0answers
26 views

VPN PPTP server

I'm doing a VPN PPTP server on this standard, now I have the following packages: Client -> Server: Point-to-Point Tunnelling Protocol Length: 156 Message type: Control Message (1) Magic Cookie: ...
0
votes
0answers
12 views

VNC Through Firewall With Single Whitelisted FQDN

We have an appliance that connects to our server that sits behind a firewall and connects through proxy with only one FQDN (let's call it example.com) whitelisted on port 443 for outbound traffic, no ...
0
votes
0answers
41 views

Routing between OpenVPN subnets in tunnel modes

Hope someone can help me and understand what is wrong in my setup. I have installed OpenWrt Chaos Calmer 15.05 on m TP Link router. The router have the WAN connected and a WiFi and wired subnet on ...
0
votes
0answers
42 views

GRE Tunnel allowing access to internal IP

I need your help with iptables because i got stuck. Explainations: What I have ? Proxmox public IP: 91.121.83.XXX Proxmox VMs private IPs: 192.168.0.101 (192.168.0.0/24) Proxmox GRE tunnel IP: 192....
0
votes
1answer
61 views

How can i set the source port for SSH on unbuntu server? [closed]

I am creating a web challenge, and due to a firewall, i need to be able to set a static port for the SSH source port for it to go through the firewall. Is their anyway to do this using maybe netcat ...
0
votes
1answer
949 views

Wireguard VPN Outbound and Inbound

I am trying to setup a Wireguard tunnel so that A uses the IP of B for outbound and inbound traffic (like a proxy, not a std VPN config). Both boxes are Ubuntu 16.04. A is eth0, behind a router with ...
0
votes
0answers
24 views

How can i move all the network traffic on the backend over the gre tunnel?

i have a gre tunnel with a frontend and a backend. I need to move all the backend traffic over the gre tunnel in order to reach all applications of the backend via the frontend IP. Can you help me? ...
0
votes
0answers
403 views

VPN Tunnel - Crypto map policy error

Good day! GCP reports the following error: The peer gateway notifies: Proposal mismatch in CHILD SA (phase 2), Please look at peer logs. On the ASA 5505 side I'm getting: Map Policy not found for ...
0
votes
0answers
170 views

Redirecting only certain Internet traffic via an existing VPN tunnel between two Zyxel ZyWalls

We have two geographically separated office locations. Each one has its own local network and its own Internet access. The big office's network is controlled by a Zyxel ZyWall USG 210, the small ...
0
votes
1answer
218 views

forward vpn server traffic to another server

I have set up 2 VPN servers in 2 different locations [ A:openvpn server(ubuntu) , B: PPTP Server-RouterOS Mikrotik ] What I want to do is to make A route all client traffic tthrough the pptp tunnel ...
1
vote
1answer
98 views

OpenVPN clients with same subnet connect to server

Is there any way at all to connect possibly hundreds of IOT devices that have the same LAN IP (192.168.1.1) to one OpenVPN server? The devices have openvpn client preinstalled. I've been told it's ...
0
votes
0answers
195 views

ssh socks proxy over multiple host with key and password

I want to connect to a website behind two servers. I know how to access the local Sock-Proxy and i can access another website with only one socks-proxy. Schematic: ssh(key) ssh(pwd) ...
0
votes
0answers
666 views

OpenVPN to connect to remote server on localhost at specific local port: “UDP: Can't assign requested address”

I'm trying to set up an openVPN locally to a remote server but bound to a specific port on localhost so I can route specific traffic through it. I'm using homebrew's openvpn and a node.js cli wrapper....
0
votes
1answer
392 views

SSH Tunnel - HTTPS hostname mismatch

I'm trying to view a https page on test12 server, from my MACHINE2, using a SSH Tunnel to connect to MACHINE1 which is on the same network as test12! But i can not display it. test12 = https server - ...
2
votes
1answer
389 views

Forwarding ports of OpenVPN-tunnel to LAN with IPtables on Debian

I'm connecting two Debian 9 x64 machines with OpenVPN: Server (ens3 public-ip x.x.x.222) tun0 10.8.0.1 -> Services: * Samba - udp137, udp138, tcp139, tcp445 * Webserver - tcp80 Client ens33 ...
1
vote
4answers
7k views

SSH Tunnel: channel 3: open failed: administratively prohibited

I have two servers, let's say server A and server B. I wish to use server B as an ssh tunnel so on server A I did this ssh -D 1080 root@ip It connects and as soon as I put in the server B as a ...
3
votes
2answers
333 views

No ping on IPSec tunnel with Strongswan

I have the following situation. The home network is on 192.168.1.0/24 and uses a Zyxel USG50 which is able to handle IPSec tunnels. The remote VPS runs Ubuntu 16.04 and hosts a PPTP server (10.0.0.1) ...
2
votes
0answers
243 views

l2tpv3 tunnel with local ip in vrf (linux kernel vrf)

On a ubuntu host I have two identical ip addresses configured on two interfaces enslaved to two different kernel vrfs. Here they are: mikle@LabHost:~$ ip link show vrf VRF1401 7: enp3s0f0.1401@...
0
votes
0answers
132 views

Bind to Public GRE IP

I'm trying to set up a GRE tunnel between two Linux dedicated servers for DDoS protection. I'm using CentOS. I followed this guide and the tunnel is working correctly: https://wiki.buyvm.net/doku.php/...
0
votes
1answer
70 views

Connect directly to SSH tunnel without having to first connect to server?

I just setup my Raspberry Pi to create a remote SSH tunnel with a VPS I have. It works, so from my computer I ssh into my VPS (with something like 'ssh user@vps.com', and once connected to that I ssh ...
0
votes
0answers
50 views

OpenVPN not redirecting all traffic to VPN tunnel when local network is 192.168.x on both sides [duplicate]

I've setup a OpenVPN server using tun and udp and enabled the options for redirecting all internet traffic and pushing lan to clients. In the HOST NETWORK The OpenVPN Server is configured to dish out ...
1
vote
0answers
38 views

Linux Advanced Routing Use Remote Gateway On LAN

I am trying to route a remote gateway so it can be used on the LAN to assign public IPs from a remote network. I have partially succeeded with some hacking around but cannot fully achieve what I want....
0
votes
1answer
69 views

I cannot ping to destination IP even after adding a ip tunnel

So I have a virtual device with ip 192.168.16.15/24(device X). I'm trying to ping this from another device 10.64.95.120/24(device A). This virtual device(device X) is created on another server 10.64....
0
votes
1answer
103 views

Site to Site Ipsec VPN - Tunnel is Up but can't get to route packages from left to right

I have a working tunnel. Packages are being routed from right to left properly (Cisco side can reach my server). Here's all the info. Any help, more than welcome. Network Diagram ...
1
vote
1answer
1k views

How to configure VxLAN tunnel with ovs bridge?

I want to connect VMs located on two different machines with ovs bridge and VxLAN tunnel, suppose the topology as the picture topology shows, my configuration on host A like this(configuration on host ...
0
votes
1answer
332 views

create vpn tunnel at exist interface

guys. I'm testing our company's firewall product.And there have a problem bothers me. "The firewall" works as bridge mode have eth1 interface.I want to simulate a client remote access "the firewall" ...
0
votes
1answer
180 views

filter with iptables incoming fraffic from VPN

I have set up a VPN to a private service provider via OpenVPN. This setup is using the VPN as default gateway. It all works fine but when I try to apply some basic iptables rules to filter traffic in ...
2
votes
1answer
446 views

Redirect from 1 IPv4 local subnet to another in pfSense [closed]

I have an OpenVPN Server on pfSense. The tunnel is on a private network 10.21.4.0/24, but the LAN is on 10.21.1.0/24. How can I route the VPN clients from the tunnel to the LAN? My current setup ...
0
votes
0answers
127 views

Taking tcpdump of data transmitting through tunnel

I have a service provider, who provides connection to his SMPP server only through a VPN. We setup a tunnel to connect to his VPN. Now there are some issues with the connectivity and I need to check ...
-1
votes
1answer
68 views

forward ipv6 allocation over a tunnel

I have a VPS with a /64 IPv6 allocation, but the /64 isn't forwarded to the main ip of the VPS, I must add extra IPs on the eth0 interface if I want to use them. What I'd like to do is to forward ...
2
votes
0answers
162 views

IPv6 connectivity through IPv4 using OpenVPN

I've set up a Debian-based server at home, which handles dhcp and a bunch of other services. Unfortunately, even though the machine is capable of using IPv6, my ISP doesn't support it. I was wondering ...
0
votes
1answer
653 views

How to debug a SSH socks tunnel connection? [closed]

I followed this guide https://www.digitalocean.com/community/tutorials/how-to-route-web-traffic-securely-without-a-vpn-using-a-socks-tunnel on how to set up a VPS connection to Windows. And my tunnel ...
1
vote
1answer
2k views

SSH to Remote host via another host

I am trying to ssh to remote Host B, but network access control governs I am only able to do this via Host A. How would I go about doing that? Have tried creating a tunnel to Host A ssh -f -N -D 2222 ...
0
votes
2answers
1k views

How to tunnel the serial port from a remote machine?

I'm trying to access a remote serial console (a tty port on a remote machine) as if it's on a local machine. This is necessary for a serial-port only application to work on my machine. The remote tty ...
0
votes
0answers
203 views

How to make an tunnel between reverse proxy nginx and server?

I am preparing ipv6 of my webserver for ios app. Now I've my server build on a vps that not support ipv6. So I set up a reverse proxy nginx on another server that support ipv6. I want to make the ...
0
votes
1answer
79 views

VPN Tunnel and Subnet Conflict

I recently started at a company with no IT infrastructure and have been task with getting the network set up. I do not have a lot of networking experience and have been doing research in trying to ...