Questions tagged [tunneling]
The tunneling tag has no usage guidance.
388
questions
2
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1
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Disable encryption on wireguard
Im interested in the tunneling capabilities of a VPN but I don't want any overhead or extra added latency (for running certain applications over the tunnel). Also, my apps already encrypt traffic over ...
0
votes
1
answer
50
views
Why doesn't my one-to-many ip6gre tunnel work?
As seen in this question Linux allows a point-to-multipoint GRE tunnel interface by leaving the tunnel's remote address blank and then using ip neigh to configure the remote address based on the ...
- 179
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1
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63
views
How to setup two GRE tunnels with different IP addresses pointing to the same destination server?
I have a BuyVM KVM VPS with two DDoS protected IP addresses for the purpose of using the BuyVM DDoS protected IP address instead of the IP address of my main (let's call it "backend") server....
- 147
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0
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32
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Https over CludflareD Tunnel with custom Comodo SSL Certificate?
I have read many similar topics but none of them helped me.
How do I configure Https through CludflareD Tunnel with my custom Comodo SSL Certificate.
I have been working fine with Universal SSL for a ...
- 123
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votes
2
answers
152
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Is it possible to forward ports between two servers using socat and socks5 proxy?
We have server1 and server2
on server2 a socks5 proxy server is installed and listens on TCP port
1080
on server2 an openvpn server is installed that listens on TCP port
1194
server1 is connected ...
- 3
1
vote
1
answer
158
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How do I route an IP address "into" a WireGuard tunnel?
I have two machines A and B. A is a VPS that has globally routable IPv4 and IPv6 addresses, B is a physical server behind a carrier-grade NAT:
A:
IPv4 addresses A1 and A2 (on-link);
IPv6 prefix A3::/...
- 156
0
votes
0
answers
24
views
Can I set up IPsec tunnels between three branches?
I want to set up IPsec tunnels to connect three branches. In total, you should get three connections:
HQ-BR
BR-DC
DC-HQ
I wanted to do this on the Linux operating system using strongswan tools, but ...
1
vote
0
answers
108
views
Why do I get No buffer space available when trying to use a gre tunnel?
I am trying to tunnel from a vps to another vps via ipv6 and this is my /etc/rc.local
sudo ip -6 tunnel add gre1 mode ip6gre local *LOCALIPV6* remote *REMOTEIPV6* ttl 255
sudo ip addr add 10.0.0.2/30 ...
- 159
0
votes
0
answers
66
views
sshuttle ssh_packet_write_poll error on pfsense
I’m trying to use sshuttle on pFsense CE OS and when I execute sshuttle -r *my_actual_username*@*my_actual_host* 0.0.0.0/0, following error shows up:
client_loop: ssh_packet_write_poll: Connection to *...
- 3
0
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0
answers
68
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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 ...
0
votes
1
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237
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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 ...
- 3
0
votes
0
answers
274
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 ...
- 625
0
votes
0
answers
32
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 ...
3
votes
1
answer
271
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 ...
- 31
0
votes
1
answer
85
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 ...
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358
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....
- 639
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0
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323
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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, ...
1
vote
0
answers
264
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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 ...
- 11
0
votes
1
answer
47
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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 ...
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0
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1
answer
1k
views
forward all traffic to another machine using reverse ssh
I have the following scenario
Local Network | ...
0
votes
1
answer
809
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 ...
- 121
0
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0
answers
1k
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 ...
0
votes
2
answers
451
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 (...
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1
answer
362
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 ...
- 113
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1
answer
45
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 ...
- 103
0
votes
1
answer
163
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>@<...
- 141
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0
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196
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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 ...
- 101
0
votes
2
answers
975
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
...
- 194
0
votes
1
answer
185
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 ...
- 734
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votes
1
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3k
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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 ...
- 25
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1
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334
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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 ...
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0
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1
answer
1k
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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 ...
- 3
0
votes
0
answers
471
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 ...
- 1
0
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1
answer
97
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 ...
1
vote
0
answers
196
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 ...
1
vote
0
answers
1k
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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....
- 344
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0
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521
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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, ...
- 101
0
votes
1
answer
2k
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/...
- 219
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2
answers
2k
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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 ...
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1
answer
44
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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 ...
0
votes
1
answer
296
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:
...
- 91
0
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0
answers
2k
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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 ...
-2
votes
1
answer
357
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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 ...
0
votes
1
answer
637
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'...
2
votes
0
answers
788
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 ...
- 21
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1
answer
961
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 ...
- 151
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votes
0
answers
799
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 ...
1
vote
0
answers
52
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
--------------------...
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 ...
- 215
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1
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875
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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 ...
