Revoking certain certificates on March 4th - 5th, 2020 UTC Due to a bug related to CAA checking in Let's Encrypt, millions of certificates will be revoked "today". To quickly check if your domains are affected, use this tool: https://checkhost.unboundtest.com/ If your domain is affected, you have to renew your [...]
This is important if you are automatically deploying web-apps using git (for example with a GitHub deploy key). What's this about? If you are deploying your web-apps using git pull, either manually or automatically, chances are you are deploying straight to the web-root, which would then include a hidden ".git" [...]
Maybe you became aware that your emails are going straight to your recipient's junk folder. Of course, you are wondering why. Try this email tester to quickly check for possible issues as to why that might be! What tester? There is this email tester called mail-tester.com which can help you [...]
You might need to chroot into a Linux distro of a different platform to run executables of that platform, and perform tasks. I will show you how! Getting the dependencies For this to work, you will need the correct qemu static binary. On Debian and Ubuntu it is installed easily [...]
In my previous guides I showed you how to set up Tor, obfs4proxy and how to use it with Tor Browser. But what if you want to use your bridge from within the Tor daemon directly? I will show you how! Editing /etc/tor/torrc To use a plain Tor bridge, append [...]
You might be running an OpenVPN server and found that your IPv6 clients get their IP leaked. I have a quick fix! The problem If your client machine has IPv4 only, you won't notice any problems. But if your client machine has IPv6, and your OpenVPN server is IPv4 only, [...]
You might want to uninstall GitLab completely and all its data and I'll show you how! ******************************************************************* * * * * * * * * * * * STOP AND READ * * * * * * * * * * ******************************************************************* This command will delete *all* local configuration, log, [...]
Now that we have a Tor bridge running (previous guide), we might want to obfuscate the traffic to look more like normal HTTPS traffic. This is useful for censorship circumvention or if you simply don't want "spies" knowing that you are using Tor. This guide assumes you are running Debian [...]
Annoyed by how slow Tor can be? Host your very own, private bridge somewhere to boost speeds! What is this guide about Whenever you use Tor, your connection goes through three servers. There's an entry node, a relay in the middle and an exit node where your traffic to the [...]
You might have tried to just delete the certificate files or some config files manually, and got into errors? Using Certbot to do the task Certbot includes a command, namely "delete" to remove a domain configuration and certificate files for you, in the correct manner. sudo certbot delete By typing [...]