Perform DNS Lookups with the host command

Published on April 26, 2012, by in linux, osx, sysadmin.

The dig command is commonly used to make DNS queries. However, a much overlooked command is the host command. Here are some quick tips for a useful tool to add to your bag of tricks or to impress your friends. The syntax is: $ host [domain.com] When run with no options, a simple quick summary

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Safari Browser – Not Safe

Published on April 25, 2012, by in osx.

Current versions of Firefox, Chrome, and IE9 have built-in protection or filtering to prevent social engineering execution of XSS and javascript in the URL bar. (As of this writing, Firefox 12, Chrome 18). The only major browser that currently does _not_ do so well for these protections is Safari. Safari 5.1.5 on OS X Lion

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OS X Firewall Not Stealth

Published on April 19, 2012, by in osx.

By default, the OS X Lion firewall enabled and stealth actually has a few ports open, despite the System Preferences displaying no services running and no ports open. A nessus scan will reveal the following UDP ports open and broadcasting information: 5353 / UDP 123 / UDP 127 / UDP Note: Ignore port 4242 TCP

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HandBrake could not find VLC or your VLC is incompatible

Published on April 3, 2012, by in osx.

HandBrake could not find VLC or your VLC is incompatible (Note: 32 bit vlc is not compatible with 64 bit HandBrake and vice-versa). If you see this message, it is because VLC since version 2.0 no longer provides the libdvdcss that decodes DVDs for HandBrake. For a fix, install a copy of libdvdcss from videolan.org,

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Mac Word 2011 Insert Horizontal Line

Published on March 5, 2012, by in osx.

After almost 22 years of making Microsoft Office for various platforms, Microsoft has bafflingly never provided an Insert > Horizontal Line option. The ‘three dashes and enter’ trick does not work on Office for Mac 2011. However, there is indeed a way to insert a horizontal line to your Word document. I’ll show you how!

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Open Source Auditing Tools

Published on February 29, 2012, by in linux, osx, sysadmin, windows.

Here are various open source tools that are useful for security auditing! If you are a consultant, or an admin that just likes to be on top of his game, these are free open source tools that help audit the security level of workstations and servers in your environment. Note: These are by nature Linux-friendly

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How to Read a Packet Capture .cap File from Command Line

Published on February 17, 2012, by in linux, osx, sysadmin.

There are a couple of ways to read a packet capture .cap file from the command line. I’ll show you how! tcpdump The tack r filename option for tcpdump will display a capture file onto the screen. Pipe it to less to get something to scroll. $ tcpdump -r mycapturefile.cap | less $ tcpdump -r

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