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WordPress – BotNet Login Hacking Attacks

Friday, May 11th, 2012

So, why should you use login restrictions or a Login monitor (plugin or other solution) for your WordPress site? Just one reason – from one day of web logs for one domain – there were no successful logins during this ‘attack’. 5/9/2012 Fail | Start/Stop | IP address | GeoIP Info —–|——————-|—————–|—————————————-   1.    1 Continue reading →

Creating A Custom Hot to Cold Temperature Color Gradient for use with RRDTool

Wednesday, May 9th, 2012

It seemed like a simple idea – write a script to generate a color gradient (hot to cold, i.e. Violet -> Red -> Orange -> Yellow -> Green -> Blue) that I could just ‘plugin’ and use. After spending some time with this the solution is simple a custom choice.  I found that some gradients Continue reading →

Reading DS18B20 Temperature sensors with DigiTemp

Wednesday, April 25th, 2012

Over the past several months I have collected quite a number of temperature readings from a custom sensor network.  I started with ~30 sensors and maxed out at ~42 sensors (due to limitations/quirks of 1-Wire protocol/networks.)  For background on this project visit the related posts. I am using Digitemp because it simply works – but Continue reading →

Fedora Linux – using Sound via Cron

Tuesday, April 17th, 2012

As a ‘logged in user’, playing a sound file (i.e. *.WAV or other audio file format) is really quite simple on Linux systems – you need: hardware that can generate sound output, one or more speakers connected to output ports, and software to read/render the auditory data. I have been using Fedora for several years Continue reading →

PHP – decoding ‘gzinflate(str_rot13(base64_decode’ hack attempts

Monday, April 9th, 2012

A recent ‘alarm’ about RFI (remote file inclusion)  ‘attacks’ against PHP coded web sites (i.e. any WordPress site) got me curious about some of my log messages.  In this case the web server/PHP application were not compromised due to a somewhat guarded server configuration.  The configuration also ‘captured’ the triple-encoded attack code (some excerpts below.) Continue reading →

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