Understanding your network topology
As a firewall administrator, you must have a thorough understanding of the network in which these firewalls are implemented. The firewall can only control and inspect the traffic that is traversing it.
This brings us to a question about your role as the firewall administrator. Depending on the size of the company you are working for, the maturity of its security practices, its budget, and the size of your security team, your responsibilities may vary greatly.
In a typical large financial organization, there may be dedicated positions for firewall administrators that are limited to the creation and modification of objects, rules, security policies, and troubleshooting. Actual engineering and implementation may be handled by a different team or team member.
In smaller organizations, firewall administration is just one of the functions you are likely to perform, and there are several other security controls you may be responsible for. Networking...