D-Link DFL-2500 User Guide - Page 44
Logging
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5 CHAPTER Logging This chapter discusses principles of logging and gives a brief introduction to D-Link firewalls' logging design. For information about how to implement logging function by the firewall, please refer to 13, Log Settings in the Fundamentals part. 5.1 Overview Logging is a practice to keep track of activities that pertinent to firewall operation and the security policy the firewall is enforcing. The log file generated from logging helps administrators to observe in details of what events have occurred. D-Link firewalls provide a variety of options for logging its activities. 5.1.1 Importance & Capability Regardless of what security policy is being implemented by the firewall, logging is critical to ensure that the implementation is running smoothly as well to keep an eye on what is going on in an network environment. It gives professionals the ability to monitor the operation of the device and assure that events in progress are expected. Since the firewall is taking charge of all traffic that going through its interfaces from protected network to other areas and also the other way around, any misconfiguration or misuse of the functions might result in 25