Administrator Guide

Technical support and resources
ID 483
5.6 iDRAC9 Cipher Suite
The Cipher Suite Selection can be used to limit the ciphers the web browser can use to communicate with
iDRAC. Also, it can determine how secure the connection is. These settings can be configured through
iDRAC web interface, RACADM, and Redfish. This functionality is available across several iDRAC releases –
iDRAC7, iDRAC8 (2.60.60.60 and higher), and the current iDRAC9 (3.30.30.30 and higher).
5.7 Commercial National Security Algorithm (CNSA) Support
The supported ciphers available in iDRAC9 with TLS1.2 and 256 Bit Encryption are shown in the screenshot
image below. The ciphers available are inclusive of the ciphers in the CNSA approved set.
5.8 Full Power Cycle
In a Full Power Cycle, the server and all its components are rebooted. It drains main and auxiliary power from
the server and all components. All data in volatile memory is also erased.
A physical Full Power Cycle requires taking out the AC power cable, waiting for 30 seconds, and then putting
the cable back. This process poses a challenge when working with a remote system. A new feature in 14G
and 15G servers performs a Full Power Cycle from iSM, IDRAC UI, BIOS, or a script. Full Power Cycle takes
effect at the next power cycle.
Full Power Cycle feature eliminates the need for anyone to be physically present in the data center, thus
reducing time to troubleshoot. It can also eliminate any malware resident in memory.