Epson ET-L6550 Series User Manual page 442

Administrator Information
Items
Transport Mode
Tunnel Mode
Security Protocol
If you select IPsec for Access Control, select an option.
Items
ESP
AH
Algorithm Settings
It is recommended that you select Any for all settings or select an item other than Any for each setting. If you
select Any for some of the settings and select an item other than Any for the other settings, the device may not
communicate depending on the other device that you want to authenticate.
Items
IKE Encryption
Authentication
Key Exchange
ESP Encryption
Authentication
AH Authentication
Related Information
"Configuring Group Policy" on page 438
&
"Combination of Local Address(Printer) and Remote Address(Host) on Group Policy" on page 443
&
"References of Service Name on Group Policy" on page 443
&
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Advanced Security Settings
Settings and Explanation
If you only use the printer on the same LAN, select this. IP packets of layer 4 or later are
encrypted.
If you use the printer on the Internet-capable network such as IPsec-VPN, select this
option. The header and data of the IP packets are encrypted.
Remote Gateway(Tunnel Mode): If you select Tunnel Mode for Encapsulation, enter a
gateway address between 1 and 39 characters.
Settings and Explanation
Select this to ensure the integrity of an authentication and data, and encrypt data.
Select this to ensure the integrity of an authentication and data. Even if encrypting data is
prohibited, you can use IPsec.
Settings and Explanation
Select the encryption algorithm for IKE.
The items vary depending on the version of IKE.
Select the authentication algorithm for IKE.
Select the key exchange algorithm for IKE.
The items vary depending on the version of IKE.
Select the encryption algorithm for ESP.
This is available when ESP is selected for Security Protocol.
Select the authentication algorithm for ESP.
This is available when ESP is selected for Security Protocol.
Select the encryption algorithm for AH.
This is available when AH is selected for Security Protocol.
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Encrypted Communication Using IPsec/IP Filtering