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Text replacement - "<google>BUY_FEDORA</google>" to "<htmlet>fedora</htmlet>"
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<googlehtmlet>BUY_FEDORAfedora</googlehtmlet>
A firewall is a vital component in protecting a computer system, or network of computers from external attack (typically from an internet connection). Any computer connected directly to an internet connection must run a firewall to protect against malicious activity. Similarly, any internal network must have some form of firewall between it and an external internet connection.
