DESCRIPTION OF THE DRAWINGS
FIG. 1 is a function block diagram of an image forming device of the present invention.
FIG. 2 is a security policy table stored by a security management unit of the present invention.
FIG. 3 is a communication block IP address list table stored in a security management unit of the present invention.
FIG. 4 is a flowchart illustrating operation performed by a security management unit of the present invention.
FIG. 5 is a flowchart illustrating packet processing performed in an image processing device of the present invention.