Tag: Security

All the articles with the tag "Security".

• Central Logging

  30 May, 2020

  System logging should not remain a local activity. If you find your system has been compromised often the first thing in the attackers mind is to stop it f

• Lynis Security Auditing

  29 May, 2020

  In the days of corporate lore I faced system hardening challenges driven by Nessus. Now because Nessus isn't FOSS (Free Open Source Software) it's not some

• SSH, OATH OTP and LDAP

  17 May, 2020

  I got myself into a bit of a knot with this one. We wanted multi-factor authentication setup on the main SSH gateway and that meant private key, password A

• Resetting the Root Password

  Updated:15 May, 2020

  I had to go through an exercise of accessing a number of a clients servers and reset the root password. They didn't have it documented anywhere and couldn'

• One Time Password and SSHD

  Updated:14 May, 2020

  I made a bit of a fool of myself suggesting that we add a free means of securing our external SSH gateway by using Google Authenticator. My boss simply tur

• Linux LDAP Auth

  Updated:14 May, 2020

  Up until now all of my Linux authentication has been local file based auth. I've added LDAP to services and applications, but logging into a Linux box has

• Asterisk - SIP + TLS

  Updated:13 Apr, 2020

  Given that the SIP credentials passed by Asterisks real-time backends are stored as either MD5 or plain-text It's best that we think about securing the com

• Wireguard on a Raspberry Pi

  Updated:9 Apr, 2020

  https://engineerworkshop.com/2020/02/20/how-to-set-up-wireguard-on-a-raspberry-pi/

• OpenSSL Ciphers

  Updated:29 Jan, 2020

  OpenSSL is a very handy tool. Both on Linux and Windows. On both you can do all kinds of conversions and creations, but equally of use you can view cipher

• VCSA root Locked Out!

  Updated:7 Jun, 2019

  This gave me cause for tears today. The VCSA (vCenter Server Appliance) management Web UI ( https://vcsa:5480 ) decided not to let me in as root. I'm guess