256
• Make sure your browser supports the Encryption Strength for SSL/TLS. If you selected High as the
Encryption Strength setting in Web Config, your browser must support AES (256-bit) or 3DES (168-
bit) encryption. Check your browser's encryption support or select a different Encryption Strength
option.
• Check to see if your CA-signed Certificate is expired. If there is a problem with the expiration date of
the certificate, "The certificate has expired" is displayed when connecting to Web Config with SSL/TLS
communication (https). If the message appears before its expiration date, make sure that the
scanner's date is configured correctly.
• If the common name of the certificate and the scanner do not match, the message "The name of the
security certificate does not match" is displayed when accessing Web Config using SSL/TLS
communication (https). For Self-signed Certificate, update the certificate. For CA-signed Certificate,
take the certificate again for the scanner.
• If you are using a proxy server with your product, configure the browser's proxy settings as follows:
• Windows 11: Click , then search for Proxy Settings. Scroll down and set Use a proxy server to
On.
• Windows 10: Click > Settings > Network and Internet > Proxy. Scroll down and set Use a
proxy server to On. Select Don't use proxy server for local (Intranet) addresses.
• Windows 8.x: Navigate to the Apps screen and select PC Settings > Network > Proxy. Scroll
down and set Use a proxy server to On. Select Don't use proxy server for local (Intranet)
addresses.
• Windows (other versions): Click or Start and select Control Panel > Network and Internet >
Internet Options > Connections > LAN settings > Proxy server > Bypass proxy server for
local addresses.
• Mac: Select System Preferences > Network > Advanced > Proxies. Register the local address
under Bypass proxy settings for these Hosts & Domains. For example, 192.168.1.*: Local
address 192.168.1.XXX, subnet mask 255.255.255.0.
Parent topic: Solving Network Scanning Problems
Network Software Cannot Find Product on a Network
If EpsonNet Setup cannot find your product on a network, try these solutions:
• Make sure your product is turned on and connected to your network. Verify the connection using your
product control panel.
• Check if your network name (SSID) contains non-ASCII characters. Your product cannot display non-
ASCII characters.
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