[J-10] Configuring the Security Settings
You can restrict the users who can print or access the print server and configure other security settings.
[Change Security] Page Layout
Settings
- [Administrator Password]
Enter the Remote UI Administrator password.
- [SNMP Settings]
Configure the settings for restricting access to the printer settings using the SNMP protocol.
- [IP Address Range Settings]
Use these settings to configure the following access restrictions.
- Restricting access to the printer.
- Restrict the users who can monitor and change the settings using the SNMP protocol.
- Restrict the users who can search for devices using Service Location Protocol (SLP).
- [MAC Address Access Settings]
Restrict access to the printer from devices with certain MAC addresses.
- [Security Access Log Settings]
Configure how access logs are obtained.
Restricting Access to the Printer
You can restrict access to the printer by specifying the IP addresses of permitted users.
Open the Printer Status Window.
- Click the icon of the printer (
) in the taskbar.
- Select [Canon LBP5050].
Start the Remote UI.
- Click [Options].
- Click [Remote UI].
Log in as Administrator.
- Enter the Administrator password.
- Click [Log In].
Click [Device Manager] → [Information].
Click [Change] under [Security].
Select the [Restrict TCP/IP Printing] check box.
Select [Reject Specified Addresses].
When [Permit Specified Addresses] is selected, only users specified in [IP Addresses] are permitted to use the printer.
Specify the IP address.
- Enter the IP address of the computer to be restricted from accessing the printer.
- Click [Add].
NOTE
Precautions when restricting user access
If a user on a computer that is restricted from using the printer tries to print, the message "Cannot Print" is displayed in the Printer Status Window. Some options on the [Options] menu of the Printer Status Window may not be available.
INFORMATION
Methods for entering an IP address
- IP Address Input Example
- Method for Entering an IP Address
- Enter the IP address with the values separated by a period.
- IP Address Input Example
- 123.456.7.01-123.456.7.09
- Method for Entering an IP Address
- Enter a range of IP addresses separated by a hyphen.
- IP Address Input Example
- Method for Entering an IP Address
- Add an asterisk to the end of the IP address to specify all IP addresses between 123.456.7.0 and 123.456.7.255.
Deleting a specified IP addressSelect an IP address and click [Delete].
Restricting the Users Who Can Monitor and Change the Settings Using the SNMP Protocol
You can restrict the users who can access the printer settings using the SNMP protocol.
Open the Printer Status Window.
- Click the icon of the printer (
) in the taskbar.
- Select [Canon LBP5050].
Start the Remote UI.
- Click [Options].
- Click [Remote UI].
Log in as Administrator.
- Enter the Administrator password.
- Click [Log In].
Click [Device Manager] → [Information].
Click [Change] under [Security].
Specify the SNMPv1 protocol.
- [SNMP v.1]: [On]
- [Access Rights]: Select either of the following modes in which the SNMPv1 agent can operate.
- [Read-only]
- [Read and Write]
- [Community Name]: Enter the SNMP community name.
IMPORTANT
Precautions when restricting users using the SNMP protocol
If [Read-only] is selected for [Access Rights], you may not be able to use some functions of the Canon utility software.
If [Off] is selected for [SNMPv1], you may not be able to use the Canon utility software.
Contact the system administrator before disabling the SNMPv1 protocol.
Specify the SNMPv3 protocol.
- [SNMP v.3]: [On]
- [User Name]: Set automatically to [initial].
- [Authentication Key/Privacy Key]: Enter the authentication key or privacy key to be used in SNMPv3.
- [Administrator Password]: Enter the Administrator password.
NOTE
If the Remote UI Administrator password is not set
You do not need to enter a password.
Select the [Restrict SNMP Monitoring/Setting Changes] check box under [IP Address Range Settings].
Select [Reject Specified Addresses].
NOTE
Restricting SNMP monitoring/setting changes
- [Permit Specified Addresses]: Only users specified in [IP Addresses] are permitted to change and monitor SNMP settings.
- [Reject Specified Addresses]: Users specified in [IP Addresses] are not permitted to change or monitor SNMP settings.
Specify the IP address.
- Enter the IP address of the computer to be restricted from monitoring or changing the settings.
- Click [Add].
Click [OK].
Users specified in [IP Addresses] are not permitted to monitor or change the settings.
INFORMATION
Methods for entering an IP address
- IP Address Input Example
- Method for Entering an IP Address
- Enter the IP address with the values separated by a period.
- IP Address Input Example
- 123.456.7.01-123.456.7.09
- Method for Entering an IP Address
- Enter a range of IP addresses separated by a hyphen.
- IP Address Input Example
- Method for Entering an IP Address
- Add an asterisk to the end of the IP address to specify all IP addresses between 123.456.7.0 and 123.456.7.255.
Deleting a specified IP addressSelect an IP address and click [Delete].
Restricting Access to the Printer by MAC Address
You can restrict access to the printer from devices with certain MAC addresses.
Open the Printer Status Window.
- Click the icon of the printer (
) in the taskbar.
- Select [Canon LBP5050].
Start the Remote UI.
- Click [Options].
- Click [Remote UI].
Log in as Administrator.
- Enter the Administrator password.
- Click [Log In].
Click [Device Manager] → [Information].
Click [Change] under [Security].
Select the [Restrict MAC Address Access] check box.
Select [Reject Specified Addresses].
Specify the MAC address.
- Enter the MAC address of the device to be restricted from accessing the printer.
- Click [Add].
NOTE
Adding a MAC address
Enter the MAC address as a 12-digit alphanumeric value without hyphens (-) or colons (:). (Example: 0123456789ab)
You can enter up to 20 MAC addresses.
Click [OK].
Users specified in [MAC Addresses] are not permitted to access the printer.
NOTE
If a restricted user tries to print
If a user on a computer that is restricted from accessing the printer tries to print, the message "Network Board Error" is displayed in the Printer Status Window.
INFORMATION
Deleting a MAC addressSelect a MAC address and click [Delete].
Restricting Users Who Can Perform Multicast Discovery
Multicast discovery
This is a function that searches for certain devices using Service Location Protocol (SLP).
You can use this function with a utility, such as NetSpot Device Installer, to search for devices that match the [Scope Name] setting using SLP.
Open the Printer Status Window.
- Click the icon of the printer (
) in the taskbar.
- Select [Canon LBP5050].
Start the Remote UI.
- Click [Options].
- Click [Remote UI].
Log in as Administrator.
- Enter the Administrator password.
- Click [Log In].
Click [Device Manager] → [Information].
Click [Change] under [Security].
Select the [Restrict Multicast Discovery] check box.
Select [Do Not Respond to Specified Addresses].
NOTE
When [Respond to Specified IP Addresses] is selected
The printer responds only to multicast discovery searches performed by users specified in [IP Addresses].
Specify the IP address.
- Enter the IP address of the user to whom a response will not be sent.
- Click [Add].
Click [OK].
The printer will not respond to multicast discovery searches performed by users specified in [IP Addresses].
INFORMATION
Methods for entering an IP address
- IP Address Input Example
- Method for Entering an IP Address
- Enter the IP address with the values separated by a period.
- IP Address Input Example
- 123.456.7.01-123.456.7.09
- Method for Entering an IP Address
- Enter a range of IP addresses separated by a hyphen.
- IP Address Input Example
- Method for Entering an IP Address
- Add an asterisk to the end of the IP address to specify all IP addresses between 123.456.7.0 and 123.456.7.255.
Deleting a specified IP addressSelect an IP address and click [Delete].
Obtaining Security Access Logs
When the security settings are configured, a log can be recorded when access is blocked.
Open the Printer Status Window.
- Click the icon of the printer (
) in the taskbar.
- Select [Canon LBP5050].
Start the Remote UI.
- Click [Options].
- Click [Remote UI].
Log in as Administrator.
- Enter the Administrator password.
- Click [Log In].
Click [Device Manager] → [Information].
Click [Change] under [Security].
Select [On] for [Access Logs].
Select the log type to be obtained.
- [Rejected TCP/IP Print Jobs]: A log is recorded each time an unauthorized user is blocked when performing TCP/IP printing.
- [Rejected SNMP Monitoring/Setting Changes]: A log is recorded each time an unauthorized user is blocked when trying to monitor or change the SNMP setting.
- [Rejected Multicast Discoveries]: A log is recorded each time an unauthorized user is blocked when performing multicast discovery.
IMPORTANT
Number of security access logs that can be obtained
Up to 100 security access logs can be obtained.
When the number of logs exceeds 100, the logs are deleted starting from the oldest one.
Checking the Security Access Logs
You can use the Remote UI to display obtained security access logs.
These security access logs can be saved or cleared.
Displaying the Security Access Logs
Open the Printer Status Window.
- Click the icon of the printer (
) in the taskbar.
- Select [Canon LBP5050].
Start the Remote UI.
- Click [Options].
- Click [Remote UI].
Log in as Administrator.
- Enter the Administrator password.
- Click [Log In].
Click [Device Manager] → [Information].
Click [Display Log] under [Security Access Log Settings].
Saving a Security Access Log
You can save the displayed log in text format.
Click [Save] under [Log].
Save the log file.
- Specify the save destination for [Save in].
- Specify the file name for [File name].
- Click [Save].
Clearing Security Access Logs
IMPORTANT
Number of security access logs that can be obtained
Up to 100 security access logs can be obtained.
When the number of logs exceeds 100, the logs are deleted starting from the oldest one.
INFORMATION
Items on the [Security Access Log] page

- [Update Now]
Click this button to update the date and time from the SNTP server.
- [Date and Time]
Displays the date and time obtained from the SNTP server.
- [SNTP Server Log]
Displays the status of obtaining logs from the SNTP server.
When a log is successfully obtained, the following messages appear: "Synchronized with the SNTP server at (date and time obtained)."
"Next synchronization in (date and time next log will be obtained)."
When a log is being obtained, the message "Getting time from SNTP server" appears.
When a log cannot be obtained, the message "Failed to get time from SNTP server" appears.
- [Save]
Click this button to save the security access log in text format.
- [Clear]
Click this button to delete the obtained security access logs.
- [Security Access Log]
Displays the security access logs.
- Date and time access was blocked
- IP address
- Port number
Restriction type
- PRINT: Blocked TCP/IP printing job
- SNMP: Blocked SNMP monitoring or setting change
- SLP: Blocked multicast discovery