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Questions tagged [tunnel]

226 questions
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Operation not permitted on ping6 after mip6d establishes MIPv6 tunnel

I'm very much out of ideas here: I run mobile IPv6 on Ubuntu oneiric, with a simple fixed-address setup. mip6d establishes a tunnel, but as soon as the tunnel establishes I lose all network connectivity. I cannot ping, I cannot telnet/ssh, existing…
Toumal
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Access internet through a tunnel

I have created a VPN tunnel between by system and my server. My server is whitelisted with another server. So while in development phase I want the request originating from my system to go to the other server via my server through the tunnel. How do…
Akhil K Nambiar
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Encrypted off-site data storage

My business has a rather unique problem. We work in China and we want to implement a file server paradigm which does not store any files locally, but rather in a server overseas. Applications would be saved onto our local machines, but data would be…
dbalckle
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Secure every connection between endpoints

Sometimes one has to work with software that hasn't built in security-features for non-local connections. In fact, some client-libraries are sending credentials in clear text over the wire. On the other side these applications might be powerful and…
Ems
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What does HTTP traffic tunnelled through SSH look like to a network administrator?

When I am at work we have very tight firewalls, as a way to get around them and perhaps even gain some increased anonymity myself and many of my co-workers have set up SSH tunnels to our own hosted external Linux machines and use them as SOCKS…
WerkkreW
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Connecting squid to upstream proxy using CONNECT request

I'm setting up a reverse proxy that has to forward all the requests to a given url.com/resource. Now, that resource is behind a proxy, so it has to use the CONNECT request. The idea is that squid, once it receives a request, creates an http tunnel…
dario
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Session Continually Times out when Accessing SuperMicro IPMI via Cloudflare Tunnel

I have a SuperMicro X12dpi-N6 motherboard system that is currently running Ubuntu 22.04 Server. In order to support remote maintenance, I configured a cloudflare tunnel that would allow me to access the IPMI site remotely (we do not use the default…
Max Feinberg
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ping reports not receiving any package while tcpdump logs echo replies

INTRO: There's an IPIP tunnel (call it megatun0) to a machine connected to a private network. The megatun0 tunnel is bound with the address 192.168.15.1. One of the network interface on the machine remote machine has address…
Some Name
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Why is there still traffic to destinations other than the peer address when a wireguard tunnel is active?

Backstory: I've set up my firewall rules to prevent traffic from leaking outside of the wireguard vpn tunnel, because it happened before that the wg interface was active, but there was no active tunnel with the peer due to the internet connection…
aardbol
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Cannot get a local address when establishing tunnels using openVPN

I am trying to establish a tunnel with a remote server using openVPN, at the beginning everything went just fine, while a few days later the establishing process often failed (now it has a 100 percent failed rate). The log of the establishment said…
Charriesun
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using putty and socat to run rust server behind firewalls

i want to run a publicly accessible Rust server on a windows machine behind some routers and firewalls. the idea is tunneling the local server ports to a public machine where they are accessable: rust server on windows behind firewalls <- putty…
weiss100
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Strongswan IKEv2 VPN tunnel not establishing

I have searched for so many different solutions and I have not found anything, I am hoping that I can find the solution here. We are configuring a new VPN, our old VPN is set up as an IKEv1 VPN, it works fine, the new one doesn't, it can establish a…
ReeceAB
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Owncloud Desktop Application Behind Cloudflare Tunnel

I wanted some extra security on my Owncloud, so I've configured it to run behind a cloudflare tunnel. I've configured the tunnel with an email rule. (i.e. allow aaron@example.com). The web interface works fine: I navigate to example.com/owncloud,…
Aaron
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Can I tunnel all ports from remote server to 127.0.0.2 (for example), so work with it like with localhost

I have a remote server. I started on remote server app that listen localhost only. I want to tunnel this server to local ip like 127.0.0.2 and access this app through like I on remote server. I need to tunnel all ports. Only one port is not what I…
Дмитрий Лейкин
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How does a vpn route all traffic through it's tunnel but allow it's own traffic to go over the internet

TL;DR I want all outgoing traffic from my system to be routed to a tun0 device, wrapped with DNS packets and then sent to the internet, but the DNS packets also gets routed back to tun0 device. Background As part of a project i'm working on I have…
Yarden
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