"Security" tag

Secure Your Network with Firewall Builder

A firewall isolates a trusted, secure internal network from another network like the Internet, which is not regarded as either trusted or secure. Firewall Builder is an open source product that makes it…

Set Up a Certificate Authority in RHEL5

Security certificates are widely used for authentication. This article explores how to set up a Certificate Authority in RHEL5. Security certificates are basically used for authentication purposes and you must have encountered a…

Protecting System Intents in Android

The last article on ‘Intents in Android’ covered the basics of one of Android’s important inter-application communication mechanisms intents. This article goes deeper into Android’s System Intents, and their security aspects, i.e., how…

Tightened Security

Securing Apache, Part 11: Logs, et al.

In this final part of the series, we will discover how to strengthen security in Apache by logging and other miscellaneous ways. Configuring a system to be secure is indeed a key task,…

Rootkits: The Enemy Within

Rootkits: The Enemy Within

While it was assumed in the past that viruses only targeted Windows, hackers targeting the FOSS world proved this wrong. A rootkit on a Linux distribution makes it vulnerable to programmatic and manual…

Hacker alert!

Modify-function-return-value Hack! — Part 1

Sometimes it’s helpful to think from a hacker’s perspective. The information obtained can be used to write better code and a secure application. An application shipped in release mode (without any debug information)…

Secured!

Securing Apache, Part 9: Attacks that Target PHP-based Instances

Beginning with Part 1 of this series, we have covered all major attacks on Web applications and servers, with examples of vulnerable PHP code. In this article, we will cover those attacks that…

A Recap

Advanced Nmap: A Recap

This final article in the series consolidates information from the previous articles, looks at NMap’s future possibilities, and at the new tools from the development team. Beginning its life as a simple port-scanner,…

Secured!

Securing Apache, Part 8: DoS & DDoS Attacks

In this part of the series, we focus on DoS/DDoS attacks, which have been among the major threats to Web servers since the beginning of the Web 2.0 era. Denial of Service (DoS)…

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