Overview of Security
Security Settings of this Machine
User Security Setting
- User Authentication and Account Track
- [General Settings]
- Performing User Authentication/Account Track
- User Authentication Setting
- Account Track Setting
  - [Account Track Registration]
  - [Account Track Counter]
- Using the Authentication Device
  - [External Server Settings]
  - [Authentication Device Settings]
Data Security Setting
- Secure Print: Prints data with a password.
- Encryption of Scan Data
Network Communication Security
- Creating a certificate for this machine for SSL communication
- IPsec Communication

Quick IP Filtering

Restrict access to the machine by means of IP address (IPv4/IPv6) or subnet mask.

No Filtering: Connect communications from all IP addresses.

Sync. IP Address: Limit IP addresses allowed to connect to the machine by setting an access range of IPv4 or IPv6 according to the IP address of the machine.

Sync. Subnet Mask: Limit IP addresses allowed to connect to the machine by using the machine's IP address, subnet mask, or prefix.

Follow the procedure on Displaying the Quick Security Setting Menu Screen to display the Quick Security Setting Menu screen.
Press Quick IP Filtering on the Quick Security Setting Menu screen.
Select the desired filtering method.
- supplementary explanationSelect either No Filtering, Sync. IP Address, or Sync. Subnet Mask.
Press OK to complete the setting.
- supplementary explanationIf you select Sync. IP Address or Sync. Subnet Mask and press OK, the IPv4 and IPv6 access ranges will be fixed.
- supplementary explanationTo cancel the change, press Cancel. In either case, the screen returns to the Quick Security Setting Menu screen.