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BSD Milter-greylist smfi_main error – won’t start after ‘system upgrade’

Thursday, November 15th, 2012

Ok, you have a system that you partially manage (the ISP updates/installs ‘system’ level goodies like networking, foundation email binaries, system level libraries, etc.) All works well for months (or longer) and then, you start getting SPAM from Country ZZ (which you are sure you ‘banned’ using milter-greylist.)  Hmm..  In my, case I also get Continue reading →

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 →

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 →

Banning ‘Bad’ Robots & Crawlers

Saturday, February 4th, 2012

Every now and then I see web traffic spikes due to ‘bad’ web crawlers – So what is a ‘bad bot’ or ‘bad web crawler’ or ‘bad web spider’? Virtual Rights – do we have any? Not really –  I think that we should have expectations of non-abusive access to any resource that we have Continue reading →

WordPress security note – setup-config.php

Wednesday, January 25th, 2012

Limiting access to WordPress /wp-admin/* tools should be a standard approach; since there are so many installation scenarios this might not always be possible so some WordPress specific mod_security rules (see links below) may be more appropriate.  You may also want to consider some of the free WordPress security plugins.  Additional WordPress specific security-related suggestions/discussion Continue reading →

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