Epson EcoTank Pro M15180 Series - Page 372

Security Methods Algorithms
AH authentication algorithm SHA-1, SHA-256, SHA-384, SHA-512, MD5
*available for IKEv2 only
Related Information
& “Encrypted Communication Using IPsec/IP Filtering” on page 357
Cannot Communicate Suddenly
The IP address of the printer 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 printer'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If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 printer's Web Cong (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Local Address(Printer)) 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 printer'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If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 printer's Web Cong (Network Security tab > IPsec/IP Filtering > Basic > Group
Policy > Remote Address(Host)) may not be found.
Use a static IP address.
Related Information
& “Application for
Conguring
Printer Operations (Web
Cong
)” on page 246
& “Encrypted Communication Using IPsec/IP Filtering” on page 357
Cannot Create the Secure IPP Printing Port
The correct certicate is not specied as the server certicate for SSL/TLS communication.
If the
specied certicate
is not correct, creating a port may fail. Make sure you are using the correct
certicate.
The CA
certicate
is not imported to the computer accessing the printer.
If a CA
certicate
is not imported to the computer, creating a port may fail. Make sure a CA
certicate
is imported.
Related Information
& “
Conguring
a Server
Certicate
for the Printer” on page 356
Administrator Information > Advanced Security Settings > Solving Problems for Advanced Security
372