Epson DS-730 User Manual page 244

Administrator Information
Security Methods
ESP encryption algorithm
ESP authentication algorithm
AH authentication algorithm
*available for IKEv2 only
Related Information
"Encrypted Communication Using IPsec/IP Filtering" on page 231
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Cannot Communicate Suddenly
The IP address of the scanner has been changed or cannot be used.
When the IP address registered to the local address on Group Policy has been changed or cannot be used, IPsec
communication cannot be performed. Disable IPsec using the scanner's control panel.
If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP
address registered for the scanner's Web Config (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Local Address (Scanner)) may not be found.
Use a static IP address.
The IP address of the computer has been changed or cannot be used.
When the IP address registered to the remote address on Group Policy has been changed or cannot be used, IPsec
communication cannot be performed.
Disable IPsec using the scanner's control panel.
If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP
address registered for the scanner's Web Config (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Remote Address(Host)) may not be found.
Use a static IP address.
Related Information
"Running Web Config on a Web Browser" on page 23
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"Encrypted Communication Using IPsec/IP Filtering" on page 231
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Cannot Connect After Configuring IPsec/IP Filtering
The settings of IPsec/IP Filtering are incorrect.
Connect the scanner and computer and make the IPsec/IP Filtering settings again.
Related Information
"Encrypted Communication Using IPsec/IP Filtering" on page 231
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Advanced Security Settings
AES-CBC-128, AES-CBC-192, AES-CBC-256, AES-GCM-128, AES-GCM-192,
AES-GCM-256, 3DES
SHA-1, SHA-256, SHA-384, SHA-512, MD5
SHA-1, SHA-256, SHA-384, SHA-512, MD5
244
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Solving Problems for Advanced Security
Algorithms