2011

Computers, security, Server

Please update/patch and secure Litespeed web server

Due to the widespread of Litespeed 0-day attack which has affected local websites, it’s imperative for all sysadmin and website operator to patch/update and upgrade the security of the Litespeed web server. This attack is dangerous particularly because the attacker can gain shell access with the same privileges of the web server or the user […]

Computers, GNU/Linux, Ubuntu/Debian

How to Enable Outgoing Keyserver port with iptables firewall

Keyserver is used for storing and distributing OpenGPG keys. The Ubuntu project also maintains its own keyserver ( http://keyserver.ubuntu.com ) for distributing public-key to users. keyserver uses HKP Keyserver protocol which listens on port 11371 Here’s how to enable the keyserver port on iptables: [bash] iptables -A OUTPUT -p tcp -d <key server ip> –dport […]

Internet Stuff, Personal Life, Tips & Guides, Wordpress

Rant: About Starting up an E-commerce Site….

A bit of advice when starting up an e-commerce (especially storefront) site, please use proper e-commerce software for the job. Do not ‘force’ a general-purpose (CMS) to be an e-commerce site via plugins (or *cough* *cough* ‘component’), it’s gonna be a pain-in-the-ass to secure ’em. So do yourself (and the sysadmin guys) a favor, use […]

GNU/Linux, Internet Stuff, Open Source, security, Server, Ubuntu/Debian

How to Hide Apache2 and PHP version without using mod_security in Ubuntu Linux

Although security by obscurity is not the best policy to protect your IS assets, but it is still useful to thwarts simple network scanner or newbie crackers. Note: This tip is written for Ubuntu Linux, the steps is similar to other GNU/Linux distro, albeit with a slight variant. Hiding Apache2 version Edit /etc/apache2/apache2.conf Add these […]

Computers, Personal Life, Personal Project, Tips & Guides

Public Domain vs Open Source License, which to choose ?

*Note that I’m not a legal expert or an attorney, this is just based on my personal experience and internet search* There are people who asked me about why bother to release a piece of software or code under Open Source License instead of putting it in Public Domain. First of all it is a […]

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