Epson DS-790WN

❏ 80bit: AES256/AES128/3DES
❏ 112bit: AES256/AES128/3DES
❏ 128bit: AES256/AES128
❏ 192bit: AES256
❏ 256bit: AES256
CA-signed Certicate is expired.
Solutions
If there is a problem with the expiration date of the certicate, "e certicate has expired" is displayed
when connecting to Web Cong with SSL/TLS communication (https). If the message appears before its
expiration date, make sure that the scanner's date is
congured
correctly.
The common name of the certicate and the scanner do not match.
Solutions
If the common name of the certicate and the scanner do not match, the message "e name of the
security certicate does not match···" is displayed when accessing Web Cong using SSL/TLS
communication (https). is happens because the following IP addresses do not match.
❏ e scanner's IP address entered to common name for creating a Self-signed Certicate or CSR
❏ IP address entered to web browser when running Web
Cong
For Self-signed Certicate, update the certicate.
For CA-signed Certicate, take the certicate again for the scanner.
The proxy server setting of local address is not set to web browser.
Solutions
When the scanner is set to use a proxy server,
congure
the web browser not to connect to the local
address via the proxy server.
❏ Windows:
Select Control Panel > Network and Internet > Internet Options > Connections > LAN settings >
Proxy server, and then congure not to use the proxy server for LAN (local addresses).
❏ Mac OS:
Select System Preferences > Network > Advanced > Proxies, and then register the local address for
Bypass proxy settings for these Hosts & Domains.
Example:
192.168.1.*: Local address 192.168.1.XXX, subnet mask 255.255.255.0
192.168.*.*: Local address 192.168.XXX.XXX, subnet mask 255.255.0.0
DHCP is disabled in the computer's settings.
Solutions
If the DHCP for obtaining an IP address automatically is disabled on the computer, you may not be able
to access Web
Cong
. Enable DHCP.
Example for Windows 10:
Solving Problems > Problems when Preparing Network Scanning > Hints to Solving Problems
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