Javascript: Web Browsers Engines

What are the Javascript Engines (browsers) out there? and Who is using what?

IE

IE and Edge uses the Chakra(JScript) engine. 
"JScript is the Microsoft implementation of the ECMA 262 language specification (ECMAScript Edition 3)".
http://msdn.microsoft.com/en-us/library/hbxc2t98

Chrome

"Chrome uses the V8 Engine. V8 is Google's open source JavaScript engine".
http://code.google.com/p/v8/

FireFox

Firefox uses SpiderMonkey (Tracemonkey). "SpiderMonkey is Mozilla's JavaScript engine written in C/C++. It is used in various Mozilla products, including Firefox, and is available under MPL/GPL/LGPL tri-license." 
https://developer.mozilla.org/en/SpiderMonkey

Safari

"The Nitro JavaScript engine is an advanced bytecode JavaScript engine that makes web browsing even faster, and it’s what powers Safari on the Mac, PCs, and iOS devices."
http://www.apple.com/safari/features.html

Opera

Opera uses an Javascript engine called carakan (futhark old version).
http://my.opera.com/chooseopera/blog/2009/02/05/meet-carakan-and-vega

Please inspect this machine, because it may be infected(rkhunter)

If you get this message from rkhunter you might need to run rkhunter -c to find out why.
log into your server and run “rkhunter – – update” this will ensure that your software is up to date.
then run

 "rkhunter --propupd"

then

 "rkhunter -c"

If you are getting a lot of false positive, you can white list them using the following section in rkhunter.conf:

SCRIPTWHITELIST=NAME_OF_THE_SCRIPT

If it is still not working try:

RTKT_FILE_WHITELIST="FULL PATH TO THE SCRIPT"

More About rkhunter here:
http://geobaby.in/checking-rootkits-with-rkhunter/

rkhunter “debugging” howto
https://help.ubuntu.com/community/RKhunter

Reading From Stream Has Failed MySQL (Windows 7 client)

If you get this error “Reading from stream has failed



or if your MySQL Workbench client is unable to fetch the table information from the server

<pre>you will need to check your firewall (Server Side).</pre>

Chances are that your connection is working fine on Windows  XP but for some reasons it is not working on Windows 7 or windows server 2008.