zathur

zathur

Freedom/KPN Glasvezel + EdgeRouter 4

Freedom Internet provides fibre optic (glasvezel) connections on various infrastructures, primarily the KPN network. This post will provides instructions to implementing a Ubiquiti EdgeRouter in combination with this service for IPv4, IPv6 and IPTV. This instruction will skip multi network…

Debian: HAProxy and Keepalived (LoadBalancer)

HAProxy is a free and open source software that provides a high availability load balancer and proxy server for TCP and HTTP-based applications that spreads requests across multiple servers. It is written in C and has a reputation for being…

Debian: RSyslog SSL Forwarding

If you have a central syslog environment which supports TLS/SSL (Splunk, vRealize LogInsight, RSyslog) might be appropriate to encrypt your logging output to these destinations.

Debian: Bind

BIND 9 has evolved to be a very flexible, full-featured DNS system. Whatever your application is, BIND 9 probably has the required features. As the first, oldest, and most commonly deployed solution, there are more network engineers who are already…

OpenSSL / Certificate Management

OpenSSL

The OpenSSL Project develops and maintains the OpenSSL software – a robust, commercial-grade, full-featured toolkit for general-purpose cryptography and secure communication. The project’s technical decision making is managed by the OpenSSL Technical Committee (OTC) and the project governance is managed…

Debian: Postfix + OpenDKIM

Debian-11-postifx

OpenDKIM is an open source implementation of the DKIM (Domain Keys Identified Mail) sender authentication system proposed by the E-mail Signing Technology Group (ESTG), now standardized by the IETF (RFC6376). It also includes implementations of the RFC5617) Vouch By Reference…