Small Python script to quick test DMARC DKIM and SPF records
For a given occasion I wrote Small Python script to test a domain for DMARC, DKIM and SPF records. Those records are managed in a DNS Zone and are typically used in Anti-SPAM techniques.
Netbox Active Directory/LDAP Integration
In my newest blog post I show how to setup Netbox with Active Directory as backend for users and groups.
Concept for DNS security with Bind9, Pi-hole and OpenDNS
This is my new concept for DNS security with Bind9, Pi-hole and OpenDNS in my network. Bind9 is used as Enterprise DNS to resolve hostnames and IP addresses in the local area network, Pi-hole and OpenDNS are used for Internet DNS traffic. DNS traffic is passed by Cisco ASA Firewall ACL.
Album: Pi-hole installation on Debian Linux
Screenshots of Pi-hole installation on Debian Linux
Humble Book Bundle - The Ultimate Python Bookshelf by Packt
Humble Book Bundle - The Ultimate Python Bookshelf by Packt including Data Analysis, Artificial Intelligence, Machine Learning, Django, Automation
Blocking of Google Chrome FLoC
Blocking of Google Chrome FLoC (Federated Learning of Cohorts) on my web server
Weeks of the data leaks
Weeks of the data leaks and my approach after data leaks or breaches
Debian Unattended upgrades
Automatically install security-related upgrades on Debian Linux with unattended-upgrades
Most useful tip from Cisco Live 2021
Most useful tip from Cisco Live 2021 and it's implementation
Fritzbox rack mounted
Fritzbox rack mounted on a 19" shelf and it's hardware issues: white description on a white box, no LED on ports for activity, height unit issues, Square wood and Velcro to fix ;)