CLI Magic: No-nonsense network monitoring tools

Linux is an excellent platform for network administration. If you want to monitor your network traffic, you can find many tools — some accessible from a Web interface, others using a graphical interface — but nothing beats the speed of the command line.

Advanced SSH configuration and tunneling

This article will show a pragmatic implementation of SSH port forwarding by demonstrating how to use configuration files and conditional statements to create permanent, yet dynamic, SSH configurations for your home, office, and any virtual machines you may have on your systems.

How to Stay Safe While Using Craigslist

Craigslist has become a popular online network featuring free classified advertisements. Craigslist caters to job seekers, house hunters, those searching for love and everything in between, but it has also become a breeding ground for identity theft, scams, and violence.

A Cop’s Guide to Home Security

And there it is. Your home’s been burglarized. Strewn across the floor and around the house are the signs that somebody’s invaded your personal space. Violated you and your privacy.

How to stop spam?

Spam mail is one of the big problems everyone is facing these days. It is very difficult to stop that. So the only way to avoid it is by reporting the senders email to the mail providers.

Access_log data – Traffic Analysis

How to interpret your traffic statistics, how to recognize valuable access log file details and how to use access log data for your benefit.

HowTo: Fast, Easy, Secure Remote Access to Gutsy

If you are stuck at a Windows machine all day at work, but want to get your Ubuntu fix during a break, use ssh and NoMachine’s nxClient to get fast, easy, secure remote access.

Tips for a more secure OpenSSH server

Many years ago, people used telnet to connect to their machines, but the whole communication between their computers and the remote machine was sent in clear text (unencrypted), making sensitive information available to anyone who knew how to monitor their traffic.

7 Easy Ways To Avoid Password Theft Online

With more of us using online services, such as online banking and bill pay, we have increased the chance of identity theft. I advocate the use of online services as a method to increase productivity; you just need to take the necessary precautions.

Network Security with hosts.allow & hosts.deny

There are many ways you can go about securing your network. For me, the first thing that comes to mind are packet filters, external firewalls, and complex ACLs at the switch level.