===== Firewall =====
[[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]]

A **Firewall** is software used to maintain the security of a [[dido:public:ra:xapend:xapend.a_glossary:p:private_network|private network]]. Firewalls block unauthorized access to or from private networks and are often employed to prevent unauthorized Web users or illicit software from gaining access to private networks connected to the [[dido:public:ra:xapend:xapend.a_glossary:i:internet|Internet]]. A firewall may be implemented using hardware, software, or a combination of both.

A firewall is recognized as the first line of defense in securing sensitive information. For better safety, the data can be encrypted.


Source: [[https://www.techopedia.com/definition/5355/firewall]]

/**=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
/* To add a discussion page to this page, comment out the line that says 
  ~~DISCUSSION:off~~
*/
~~DISCUSSION:on|Outstanding Issues~~
~~DISCUSSION:off~~