Networking & Security
Home and small network security: firewalls, VLANs and IoT segmentation, TLS, IPv6, and hardening guides. 24 posts
Astaro Security Gateway - Setting up a Public Web Server with Web Application Firewall
How-To
How to publish an internal web server through the Astaro Security Gateway (Sophos UTM) Web Application Firewall instead of a plain DNAT.
Configure SSH2 Access for Updating WordPress
How-To
How to make WordPress updates run over SSH2 instead of FTP on Ubuntu, with a dedicated user, SSH key pair, and the php libssh2 extension.
Secure your WordPress Installation
How-To
How to harden a WordPress install with tested backup plugins like BackupBuddy, strong admin passwords, and basic security steps.
B&N NOOK Color - Your $250 Android Tablet
How-To
How to turn the $250 Barnes & Noble NOOK Color into a full Android tablet running Gingerbread or Honeycomb, with real hardware specs.
How to become a Certified IPv6 Technician – Part Two
How-To
How to earn Hurricane Electric IPv6 Sage certification by running an IPv6-only Postfix mail server on OS X Snow Leopard, step by step.
How to become a Certified IPv6 Technician - Part One
How-To
How to start Hurricane Electric's free IPv6 certification, why IPv4 exhaustion matters after IANA's last blocks, and the first badge levels.
MySQL Database Replication over an SSH Tunnel
How-To
How to run MySQL master-slave replication through an SSH tunnel, covering key setup, my.cnf settings, and the replication user grants.
Track Spammers using Gmail
How-To
Give every merchant a unique Gmail address to catch who sells it to spammers, then filter the junk with Gmail's built-in tools.
CloudEngines Plugs Security Flaw in Pogoplug with Firmware 2.1
Networking & Security
Pogoplug firmware 2.1 finally disables the open root SSH access I reported. What CloudEngines fixed and what the update changes.
Beware the PogoPlug
Networking & Security
The Pogoplug NAS ships with open root SSH access and a password CloudEngines published online. Why that is a serious security hole.