Category: Architecture


Joe Job and SPF

First off, get your mind out of the gutter. A joe job has absolutely nothing to do with what you’re thinking about. It’s email related and it can be a pain in the ass to deal with. What is a Joe Job? Joe Job is the term used to describe the act of forging bulk …

By eric

Ensuring Proper New DST Compliance

By now, if you haven’t heard about the change in daylight savings time (DST), then you need to break out from under your rock and update your servers. That’s where luckily, I come in. No, I won’t update your servers for you (unless you pay me and even then it’s iffy), but I will guide …

By eric

Syslog-ng and Squid Logging

Since there are a million HOWTOs on setting up remote logging with syslog-ng, I won’t bother going over it again. I will however take this moment to go into a little about how you can setup remote logging of your Squid servers. We are going to take advantage of some of the built in regex …

By eric

A Few Apache Tips

Last week I gave a few tips about SSH, so this week I think I will give a few tips about apache. Just to reiterate, these are tips that have worked for me and they may not be as efficient or as effective for your style of system administration. Logging I don’t know about anyone …

By eric

10 More Tips Towards Securing Your Linux System

Since everyone seemed to enjoy my first round of tips and tricks to securing a linux system, I figured I would throw together a few more. Enjoy. There are files that get changed very infrequently. For instance, if your system won’t have any users added anytime soon then it may be sensible to chattr immutably …

By eric

10 Tips To Start Securing Your Linux System

A while back I had been asked to write a few quick tips that as an administrator, one would find helpful. They published in one form or another and are now available here. There are MANY more, but these are just a few. Enjoy. Users who may be acting up or aren’t listening can still …

By eric

Configuring mod_security for EnGarde Secure Linux

Introduction This document is intended to guide a user through initially setting up and understanding a mod_security+Apache2 under EnGarde Secure Linux setup. Once you have completed reading this document, you should be able to understand the basics of mod_security, what it is used for, and why it may apply to you and your environment. Why …

By eric

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