Personal Firewall And Caching Solution

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Pfsense is a solution capable to do multiple things . its a security , Load Balancer, Chaching , VPN Server , DNS and many more . also u can buy a hardware with installed application on it or u just need to install it on a virtual machine . the good news also amazon is now offering PFsense as a solution .

https://www.pfsense.org/

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WAF

WAF ; is a common name for Web application Firewall , Lots think if you have a firewall or Intrusion prevention you are secure . well you are totally wrong web application firewall is more advance and it can detect and eliminate the following for example :

*Xss
*SQL injection
*hide / prevent developers comments and notes
*learn Web behaviors so suspected ones will be automatically blocked

Good example of best in the market are :

*Imperva
*F5
*Braccuda