From Riverbed SteelHead CX v8 NDM Security Technical Implementation Guide
Part of SRG-APP-000411-NDM-000330
Associated with: CCI-002890
This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead of FTP, and HTTPS instead of HTTP. If unsecured protocols (lacking cryptographic mechanisms) are used for sessions, the contents of those sessions will be susceptible to manipulation, potentially allowing alteration and hijacking of maintenance sessions.
Verify that RiOS is configured to implement cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications. Navigate to the device CLI Type: enable Type: show configuration full Verify that "no telnet-server enable" is in the configuration Verify that "ssh server enable" is set in the configuration Verify that "web enable" is in the configuration Verify that "no web http enable" is in the configuration Verify that "web https enable" is in the configuration If any one of the above settings is missing from the configuration, this is a finding.
Configure RiOS to implement cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications. Navigate to the device CLI Type: enable Type: config t Type: no telnet-server enable Type: ssh server enable Type: ssh server allowed-cyphers aes128-cbc, 3des-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr Type: web enable Type: no web http enable Type: web https enable Type: write memory Type: exit Type: exit
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