Solving Problems for Advanced Security
Restoring the Security Settings
When you establish a highly secure environment such as IPsec/IP Filtering, you may not be able to communicate
with devices because of incorrect settings or trouble with the device or server. In this case, restore the security
settings in order to make settings for the device again or to allow you temporary use.
Disabling the Security Function Using the Control Panel
You can disable IPsec/IP Filtering using Web Cong.
1.
Access Web Cong and select the Network Security tab > IPsec/IP Filtering > Basic.
2.
Disable the IPsec/IP Filtering.
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
& “Running Web Cong on a Web Browser” on page 23
& “Encrypted Communication Using IPsec/IP Filtering” on page 231
Cannot Communicate with IPsec Communication
Specify the algorithm that the scanner or the computer does not support.
e scanner 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*
Administrator Information
>
Advanced Security Settings
>
Solving Problems for Advanced Security
243
To Next Page
Loading...
Need help?
General
