A network administrator is assessing the firewall configurations at a small company to ensure they support the organization's security policy. Which of the following configurations SHOULD the administrator implement to comply with best practices for securing the network?
Allowing all outbound traffic to ensure employees can access external web services without restrictions.
Applying an allow-all rule with extensive logging for troubleshooting and auditing purposes on all firewall interfaces.
Implementing an implicit allow rule at the end of the access control list for troubleshooting connectivity issues.
Configuring the firewall to deny all traffic by default and explicitly permit only necessary services.