Installation guide

Protocol Settings
5-14
5
Using a TCP/IP Network
If you want to restrict the IPv6 addresses of computers on which the machine set-
ting items can be set or browsed (using the Remote UI or a utility):
<Apply Settings> of [Permit IPv6 Address] for <Setting/Browsing Range>: [On]
Press [Register] → store only one IPv6 address or a range of IPv6 addresses that are to be permitted.
Also specify the prefix and prefix length for the IPv6 address.
<Apply Settings> of [Reject IPv6 Address] for <Setting/Browsing Range>: [On]
Press [Register]
→ store only one IPv6 address or a range of IPv6 addresses that are to be rejected. Also
specify the prefix and prefix length for the IPv6 address.
A total of eight (groups) of IPv6 addresses, ranges of IPv6 addresses, or IPv6 address prefixes can be set.
You cannot specify a multicast address or an address composed entirely of zeros for an IPv6 address.
If you enter '0' in [Prefix Length], all IPv6 addresses are not permitted.
If you enter '128' in [Prefix Length], the IPv6 addresses of the machine are not permitted.
If you want to enter a range of addresses, make sure that the number entered in [First Address] is less than
the number entered in [Last Address].
If <Apply Settings> is set to 'Off' for both [Permit IPv6 Address] and [Reject IPv6 Address], all IPv6 addresses
are permitted.
If <Apply Settings> is set to 'Off' for [Permit IPv6 Address] and <Apply Settings> is set to 'On' for [Reject IPv6
Address], IPv6 addresses that are beyond the range specified in [Reject IPv6 Address] are permitted.
If <Apply Settings> is set to 'On' for [Permit IPv6 Address] and <Apply Settings> is set to 'Off' for [Reject IPv6
Address], IPv6 addresses that are beyond the range specified in [Permit IPv6 Address] are not permitted.
If <Apply Settings> for both [Permit IPv6 Address] and [Reject IPv6 Address] is set to 'On', IPv6 addresses that
are beyond the ranges specified in both [Permit IPv6 Address] and [Reject IPv6 Address] are not permitted.
If <Apply Settings> for both [Permit IPv6 Address] and [Reject IPv6 Address] is set to 'On', IPv6 addresses that
are within the ranges specified in both [Permit IPv6 Address] and [Reject IPv6 Address] are not permitted.
If the usage of a protocol or print application is not permitted on your device, it cannot be used even if its
IPv6 address is permitted on the machine. Configure the settings of the device to permit the protocol or
print application.
This machine logs attempts to gain access from IPv6 addresses that it has been set to reject. For instructions
on how to refer to the access log, see e-Manual > Network.
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