Tag Archives: security

NAXSI: protecting websites with Nginx

NAXSI is Nginx Anti XSS & SQL injection. In simple words, it’s a firewall for web applications (WAF) for Nginx, protecting from XSS, SQL injections, CSRF, Local & Remote file inclusions. NAXSI is known for its fast working and simple configuring. It’s a good alternative for mod_security in Apache.

What would you need NAXSI for?

It’s obvious that’s the best way of protection from attacks is correctly written code, but in some situations WAF and particularly NAXSI can help:

  • low quality of site code with no resources or possibilities of rewriting it;
  • closed source code in which fixing mistakes is impossible;
  • the quality of code is unknown and unpredictable (i.e. shared hosting).

Read more at http://howtounix.info/howto/naxsi-nginx-firewall

Got it from my friend from hexcode.org

Tails, the OS used by Edward Snowden

When NSA whistle-blower Edward Snowden first emailed Glenn Greenwald, he insisted on using email encryption software called PGP for all communications. But this month, we learned that Snowden used another technology to keep his communications out of the NSA’s prying eyes. It’s called Tails. And naturally, nobody knows exactly who created it.

Tails is a kind of computer-in-a-box. You install it on a DVD or USB drive, boot up the computer from the drive and, voila, you’re pretty close to anonymous on the internet. At its heart, Tails is a version of the Linux operating system optimized for anonymity. It comes with several privacy and encryption tools, most notably Tor, an application that anonymizes a user’s internet traffic by routing it through a network of computers run by volunteers around the world.

Read more at: http://www.wired.com/2014/04/tails/



Tails is a live operating system, that you can start on almost any computer from a DVD, USB stick, or SD card. It aims at preserving your privacy and anonymity, and helps you to:

  • use the Internet anonymously and circumvent censorship;
    all connections to the Internet are forced to go through the Tor network;
  • leave no trace on the computer you are using unless you ask it explicitly;
  • use state-of-the-art cryptographic tools to encrypt your files, emails and instant messaging.

OpenSSL Security Advisory [07 Apr 2014] – TLS heartbeat read overrun


OpenSSL Security Advisory [07 Apr 2014]

TLS heartbeat read overrun (CVE-2014-0160)

A missing bounds check in the handling of the TLS heartbeat extension can be
used to reveal up to 64k of memory to a connected client or server.

Only 1.0.1 and 1.0.2-beta releases of OpenSSL are affected including
1.0.1f and 1.0.2-beta1.

Thanks for Neel Mehta of Google Security for discovering this bug and to
Adam Langley <[email protected]> and Bodo Moeller <[email protected]> for
preparing the fix.

Affected users should upgrade to OpenSSL 1.0.1g. Users unable to immediately
upgrade can alternatively recompile OpenSSL with -DOPENSSL_NO_HEARTBEATS.

1.0.2 will be fixed in 1.0.2-beta2.

Top 5 security flaws within websites and how to prevent them

So we’re now into 2014 and websites are starting to become way more advanced by implementing new technologies such as AJAX, fancy web forms and even web sockets. However, little do webmaster’s realise that they’re opening a space for huge security flaws within their websites / web applications / web services for malicious hackers to take advantage of.

Read more at http://joel-murphy.com/top-5-security-flaws-within-websites-and-how-to-prevent-them/