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 some of these IPs and permit a computer over an ssh … Read more
In a point to point tunnel, I was able to have the same IP twice. It looks like a bug, I think that might be related to some internal representation of the netmask. It can be reproduced with the steps below. I created a tun tunnel like this: ip tuntap add dev tun3 mode tun … Read more
First of all, the router I am using is a Cisco WRVS4400N. My company runs a software which handles the MySQL database of all of their products. The software now has an e-commerce module, so I have to set up a secure tunnel from our network to the server that will be hosting our e-commerce … Read more
I have two servers A and B. Server A with device ens3 and address 10.1.0.171 and server B with device ens3 and address 10.1.0.253. I want to setup on server A and server B networks 10.2.0.0/24, up vm instances, and I want access from vm from server A to vm from server B. I tried … Read more
I am having a few dedicated machines in a few hosting companies which either do not offer DDOS protection or their protection is awful. I’ve been contacting a few hosting companies and friends and got a suggestion about using OVH VPS as the first layer of connection or a VPN. So members who want to … Read more
Here is a scenario: You would like to setup a private network between four companies at different cities for teams in these companies to collaborate on anti-virus software. Because of the nature of the work they want to setup a private LAN disconnected from their corporate network. How could you connect these private (lab) networks … Read more
Here’s the rough picture of what I’m trying to do: client -> |VPN| -> server A -> |VPN| -> server B -> Internet. Server A and Server B are both on public internet with public IPs, also I have root access to both servers. Client is behind firewall but can reach server A. Client CANNOT … Read more
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 ? Answer You can achieve this by using prol2tp.com solutions. AttributionSource : Link , Question Author : Boris … Read more
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 connections die, and even ping6 ::1 gives “Operation not permitted”. I also have … Read more
I would like to tunnel a mysql database. So I thought I use a private key without a passphrase to make it reboot friendly. The problem is, openssh still asks me for a passphrase and if I leave it empty it denies the connection. Is there a way to disable the passphrase question and allow … Read more
