Security Methods
Algorithms
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*
ESP encryption algorithm
AES-CBC-128, AES-CBC-192, AES-CBC-256, AES-GCM-128, AES-GCM-192,
AES-GCM-256, 3DES
ESP authentication algorithm
SHA-1, SHA-256, SHA-384, SHA-512, MD5
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 434
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If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 Config (
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If the DHCP is out of date, rebooting or the IPv6 address is out of date or has not been obtained, then the IP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 Config (
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 Configuring Printer Operations (Web Config)” on page 301
&
“Encrypted Communication Using IPsec/IP Filtering” on page 434
>
>
Solving Problems for Advanced Security
450
Summary of Contents for ET-5800 Series
Page 17: ...Part Names and Functions Front 18 Inside 20 Rear 21 ...
Page 29: ...Loading Paper Paper Handling Precautions 30 Paper Size and Type Settings 30 Loading Paper 31 ...
Page 34: ...Placing Originals Placing Originals 35 Originals that are not Supported by the ADF 36 ...
Page 456: ...Where to Get Help Technical Support Web Site 457 Contacting Epson Support 457 ...