Canon VB-S800D Mark II Network Camera Operation Guide - Page 203

[Security] > [Host Access Restrictions] Setting Access Restrictions Separate access control from IPv4 and IPv6 addresses can be set. The following settings can be configured here. • IPv4 Host Access Restrictions • IPv6 Host Access Restrictions 5 Setting Page Important • To prohibit access via a proxy server in HTTP connection, a proxy server address must be set. • If host access restriction is set mistakenly, access to the Setting Pages themselves may be prohibited, in which case restoring the factory default settings will become the only means of recovery. Note If the same address is duplicated, the address policy that is displayed highest on the list will be applied. IPv4 Host Access Restrictions Specify the hosts from which IPv4 access is permitted and prohibited. [Apply Host Access Restrictions] Select whether to use IPv4 host access restrictions. [Default Policy] Select whether to allow or block access from IPv4 addresses that have not been specified in [Network Address / Subnet]. [Network Address / Subnet] Enter IPv4 addresses into the list and select [Yes] or [No] for access for each address. You can specify the subnet to set access restrictions by network or host. If set to [No], access to all ports is blocked. 185