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Blocking Abusive IP Addresses with Iptables on Linux

Blocking Abusive IP Addresses with Iptables on Linux

I’ve recently had some questions come up from some of my clients who want to know how they can block specific IP addresses that are abusing their web sites and server. In those instances where you want to block a particular IP from your server and are running a distrubtion of Linux, you can block the traffic from that IP address by using iptables. This tutorial will teach you how to set up, view, and configure a rule to block a specific IP address.

DB2 REPLACE Function

DB2 REPLACE Function

The DB2 REPLACE function replaces all occurrences of a search string within a source string. If the search string is not found within the source string, the original string is returned unchanged.

Portfolio Project: Fit Uniforms

Portfolio Project: Fit Uniforms

Fit Uniforms was running an e-commerce website based on WordPress and Jigoshop that was in need of some help. They came to me wanting to optimize and redesign their website. They wanted a website that was professional, easy to navigate, and mobile friendly. A website that allowed mobile devices to easily complete a purchase. In addition, they also wanted to move to a new hosting provider, one that provided better features and more stability.

Portfolio Project: MRP Design Engineering

Portfolio Project: MRP Design Engineering

I recently completed work on a new project for MRP Design Engineering. We took their existing website, built using the SnippetMaster web editor, and migrated it to the WordPress platform with a new look and feel.

MySQL REGEXP (Regular Expression) Operators

MySQL REGEXP (Regular Expression) Operators

MySQL offers the ability to use regular expressions to perform complex searches against your data. A regular expression is a tool that provides for a concise and flexible way to identify strings of text based on user-defined patterns.