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Disabling the Security Function Using the Control Panel
You can disable IPsec/IP Filtering or IEEE802.1X using the printer's control panel.
1.
Select Settings > General Settings > Network Settings.
2.
Select Advanced.
3.
Select from the following items that you want to disable.
❏ Disable IPsec/IP Filtering
❏ Disable IEEE802.1X
4.
Select Proceed on the
conrmation
screen.
Problems Using Network Security Features
Forgot a Pre–shared Key
Re-congure a pre-shared key.
To change the key, access Web Cong and select the Network Security tab > IPsec/IP Filtering > Basic > Default
Policy or Group Policy.
When you change the pre-shared key,
congure
the pre-shared key for computers.
Related Information
&
“Application for Conguring Printer Operations (Web Cong)” on page 221
& “Encrypted Communication Using IPsec/IP Filtering” on page 316
Cannot Communicate with IPsec Communication
Specify the algorithm that the printer or the computer does not support.
e printer supports the following algorithms. Check the settings of the computer.
Security Methods Algorithms
IKE encryption algorithm AES-CBC-128, AES-CBC-192, AES-CBC-256, AES-GCM-128*, AES-GCM-192*,
AES-GCM-256*, 3DES
IKE authentication algorithm SHA-1, SHA-256, SHA-384, SHA-512, MD5
IKE key exchange algorithm DH Group1, DH Group2, DH Group5, DH Group14, DH Group15, DH
Group16, DH Group17, DH Group18, DH Group19, DH Group20, DH
Group21, DH Group22, DH Group23, DH Group24, DH Group25, DH
Group26, DH Group27*, DH Group28*, DH Group29*, DH Group30*
ESP encryption algorithm AES-CBC-128, AES-CBC-192, AES-CBC-256, AES-GCM-128, AES-GCM-192,
AES-GCM-256, 3DES
ESP authentication algorithm SHA-1, SHA-256, SHA-384, SHA-512, MD5
Administrator Information
>
Advanced Security Settings
>
Solving Problems for Advanced Security
330
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