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Appendix G: Secure Protocols
Overview
Secured protocols are only supported by controllers identified with the Secured Protocols “S” in their
model number - see Table 1.
Secured protocols include support for the SNMPv3, IPv6, HTTPS/SSL, SSH, and SFTP protocols.
Configuration
Reboot Required
Configuration changes involving IP addresses and protocol operational mode variable items require a
reboot. Allow the controller to run for at least a minute and a half following a saved change to ensure
the change has been saved to non- volatile memory before powering the unit down or any rebooting
operation.
Security
Security related settings are found in Settings ▶Communication ▶ Security. Administrative level log-in
is required to edit these settings. The network related items are:
• Port behavior on failed login attempts (number of failed attempts allowed value of 3-10 attempts, time to lock the
port value 0 to 5 minutes 1 minute increments).
• Password rules to encourage the use of strong passwords. These include minimum password length (3 to 15
characters) and requirements for the inclusion of different types of characters (≥ one upper case, ≥ one lower case,
≥ one number, and ≥ one special character).
• Individual protocol (network ports) enables to allow the blocking of non-secure protocols
Figure 27: Security Configuration
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