Tech ChroniclesRamblings of a Tech Dude

Archive: January 2020

lnav-syslog

LNAV – Log File Navigator

  The log file navigator, lnav, is an enhanced log file viewer that takes advantage of any semantic information that can be gleaned from the files being viewed, such as timestamps and log levels. Using this extra semantic information, lnav can...

IaC

Infrastructure as Code and Six Key Automation Concepts

  As an industry, we aspire to something that delivers on our collective vision of fully-automated, self-governing infrastructure. In the 00s we called it autonomic computing, then software defined data center (SDDC) and, now, IaC. Sadly, IaC...

http-security-headers

HTTP Security Headers – A Complete Guide

  Companies selling “security scorecards” are on the rise, and have started to become a factor in enterprise sales. We have heard from customers who were concerned about purchasing from suppliers who had been given poor ratings, and...

Pivoting

A Pivot Cheatsheet for Pentesters

  I don’t often come get a chance to use pivot techniques, so I sometimes find myself searching for reminders about various methods and their trade offs. I put together this list of common pivot techniques I have used, along with a quick...

fail2ban

SSH Brute-force Protection With Fail2Ban

  Fail2Ban is an intrusion prevention framework written in Python that protects Linux systems and servers from brute-force attacks. We can setup Fail2Ban to provide brute-force protection for SSH on our server, this will ensure that the server...

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