NETGEAR AV Line M4250 GSM4210PX 8-Port Gigabit PoE+ Compliant Managed AV Switch with SFP (220W) - Manual (Page 527)

The value must be in the range from 0 to 60 minutes. The default value is 5 minutes.
After the session is inactive and times out, you are automatically logged out and
must reenter the password to access the device UI. A value of zero means that the
session does not time out.
9. In the HTTPS Session Hard Timeout (Hours) field, specify the hard time-out for
HTTPS sessions.
This time-out is unaffected by the activity level of the session. The value must be in
the range from 0 to 168 hours. A value of zero means that the session does not time
out. The default value is 24 hours.
10. In the Maximum Number of HTTPS Sessions field, specify the maximum number
of HTTPS sessions that can exist at the same time.
The value must be in the range of 0 to 16. The default value is 16.
11. Click the Apply button.
Your settings are saved.
The TLS Version field display 1.2, which is the default version for the switch.
The Authentication List field displays HttpsList, which is the default list for HTTPS
access.
12. To save the settings to the running configuration, click the Save icon.
Browser security message with HTTPS access
After you enable HTTPS access (see Configure HTTP access settings on page 524) and
you attempt to access the device UI, your browser might display a security warning
because of the self-signed certificate on the switch. This is expected behavior. You can
proceed, or add an exception for the security warning.
To proceed with a security warning or add an exception for a security warning:
• Google Chrome: Click the ADVANCED link. Then, click the Proceed to x.x.x.x
(unsafe) link, in which x.x.x.x represents the IP address of the switch.
• Apple Safari: Click the Show Details button. Then, click the visit this website link.
If a warning pop-up window displays, click the Visit Website button. If another
pop-up window display to let you confirm changes to your certificate trust settings,
enter your Mac user name and password and click the Update Setting button.
• Mozilla Firefox: Click the ADVANCED button. Then, click the Add Exception button.
In the pop-up window that displays, click the Confirm Security Exception button.
• Microsoft Edge: Select Details > Go on to the webpage.
Main User Manual 527 Manage Switch Security
AV Line of Fully Managed Switches M4250 Series Main User Manual