web developer & system programmer

coder . cl

ramblings and thoughts on programming...

identifying phishing email

published: 17-09-2009 / updated: 17-09-2009
posted in: rants, sysadmin, tips
by Daniel Molina Wegener

Phishing is a criminal activity. I’ve recently received an electronic mail with one of those phishing attempts. Surely I’ve ignored since I know how to read the electronic mail headers and some other useful information that comes in electronic mails. The Wikipedia refers to it as:

In the field of computer security, phishing is the criminally fraudulent process of attempting to acquire sensitive information such as usernames, passwords and credit card details by masquerading as a trustworthy entity in an electronic communication.

securing apache 2.x

published: 16-07-2009 / updated: 16-07-2009
posted in: programming, sysadmin, tips
by Daniel Molina Wegener

This is not a security guide for Apache HTTP Server. Instead is a small guide that can be used as reference to protect some aspects of how the applications and pages are served. For security guides, you must look at other places. Well, I hope this approach would help a little in your administration tasks. All examples are not a copy/paste rules, you must think on them. I’ll never give you recipes… you always must think.

easy web services with pyxser

published: 10-05-2009 / updated: 10-05-2009
posted in: programming, python, pyxser, sysadmin, tips
by Daniel Molina Wegener

Working with Web Services is not an easy task. We must know about XML, WSDL and some other technologies and also the framework that we are using. In this article I will try to demonstrate how easy is the task of sending objects through Web Services. First of all I’m using SOAPpy as my Web Services framework and the second element in the recipe is pyxser my Python-Object to XML serializer and deserializer.

i’ve changed my gpg keys…

published: 20-02-2009 / updated: 20-02-2009
posted in: projects, sysadmin
by Daniel Molina Wegener

I’ve changed my GPG keys. Take the new ones…

preventing os guessing

published: 16-02-2009 / updated: 16-02-2009
posted in: sysadmin
by Daniel Molina Wegener

Today I was experimenting with the FreeBSD TCP Stack Parameters with one target in mind: to prevent os guessing through classical port scanners. One of the most classic scanner — the one that appeared in the The Matrix movie as a h4x0r tool — brings me the next piece of output on a Wintendo machine: