Recent Posts
Wireguard: Attempting to Install and Configure Wireguard Fails with “Unknown device type” and “FATAL: Module wireguard not found in directory”
After installing a new kernel on Ubuntu the interface could not be brought up because it did not exist anymore. ip link add dev wg0 type wireguardError: Unknown device type. After doing a modprobe it ... Read More
Disable and delete inactive AD Accounts
I get multiple requests from customers where they want accounts to be deactivated after not being logged in for X number of months. Some also want to delete the accounts when disabled for another X nu... Read More
Sending Telegram messages using PHP
Fire away those messages with this simple script! First of all, create bot at @botfather by searching botfather and send him the following command: Fill in the long name and user name for the bot when... Read More
IST / SOLL powershell script for Active Directory
How to make a IST/SOLL overview from all your Active Directory (AD) users with just a single powershell command. This will give you a CSV file which you can import in Excel or a database with an overv... Read More
Validating Leaked Passwords with k-Anonymity using PHP
These days you can check if passwords are already breached in the pwnedpasswords.com database. You can just add this function to your php page or functions file. It uses k-Anonymity and so only sends ... Read More
Create an encrypted container in linux
In case you have some files which you want to have encrypted in a secured container, like a password-ed zip file. When mapping this container file you have to enter a password or you can use a key fil... Read More
TLS Encryption on Postfix
How to encrypt Postfix easily? Just add the following rules at the end of the config file /etc/postfix/main.cf: # SSL/TLS parameters smtpd_tls_cert_file=/path/to/your/certificate smtpd_tls_CAfile=/pat... Read More
How to score an A+ with Apache SSL/TLS encryption
HTTPS Encryption is a hot topic these days.With TLS1.0 coming to end you are advised to disable all protocols lower than TLSv1.1. Please follow the guide underneath to only allow TLSv1.1 and 1.2 with ... Read More