Epson DS-790WN Administrator's Manual page 115

Advanced Security Settings
If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 34
&
"Encrypted Communication Using IPsec/IP Filtering" on page 101
&
Cannot Connect After Configuring IPsec/IP Filtering
The settings of IPsec/IP Filtering are incorrect.
Disable IPsec/IP filtering from the scanner's control panel. Connect the scanner and computer and make the
IPsec/IP Filtering settings again.
Related Information
"Encrypted Communication Using IPsec/IP Filtering" on page 101
&
Cannot Access the Scanner after Configuring IEEE802.1X
The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the scanner's control panel. Connect the scanner and a computer, and then
configure IEEE802.1X again.
Related Information
"Configuring an IEEE802.1X Network" on page 111
&
>
Solving Problems for Advanced Security
115
>
Problems Using Network Security
...