Canon VB101 User Manual page 53

Authorized/Restricted Host List Descriptions
The Host Restriction function applies to hosts running client applications such as viewer. Access
restrictions are imposed using a list made up of one or more entries written using the format
described below.
Listing Format
[!]addr[/mask] (items in square brackets are optional)
G "addr" and "mask" are written in standard IP address format and specify the range of IP
addresses.
G Let host IP address is A, if the value of A masked by "mask" in the bit pattern matches the
"addr" value, this indicates that A belongs to addr/mask.
G When you provide a host IP address A and want to determine whether access is permitted or
denied for that host, the entry to which A belongs is searched from the top of the list. If the entry
begins with an exclamation mark (!), access is denied. If not, access is permitted.
G Redundant or contradictory entries included in the list are deleted. In addition, the order of
entries in the list is revised to place special entries toward the top and general entries toward
the bottom.
G If the given address does not belong to any of the entries, access is authorized.
Detail Settings
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