A company wants to ensure their employees do not access gambling sites during work hours from corporate devices. The network administrator is tasked to enforce this policy using security features available on their network firewall. Which of the following actions would effectively help in achieving this requirement?
Disallow the use of mobile devices on the company network.
Update the firmware of the network firewall to the latest version.
Enforce network access control (NAC) to restrict all unauthorized devices from the network.
Configure URL filtering rules on the network firewall to block websites categorized as gambling.
Configuring URL filtering rules on the network firewall to block access to websites categorized under gambling is the most efficient way to ensure such sites are inaccessible during corporate usage. URL filters operate by identifying sites based on pre-determined categories and user-defined lists, and then blocking any requests to them as specified by the policy. Updating firewall firmware and enforcing NAC are useful security practices but do not directly impact web usage policies. Disallowing mobile devices might reduce risk exposure, but it doesn't specifically target gambling sites and would not be effective if the devices access gambling content through other networks.
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What are URL filtering rules and how do they work?
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What is the difference between URL filtering and network access control (NAC)?
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Why is updating firewall firmware important even if it doesn't block gambling sites?