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The x86 CTRL-ALT-DELETE key sequence must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-4342 GEN000000-LNX00580 SV-37327r1_rule ECSC-1 High
Description
Undesirable reboots can occur if the CTRL-ALT-DELETE key sequence is not disabled. Such reboots may cause a loss of data or loss of access to critical information.
STIG Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide 2014-07-02

Details

Check Text ( None )
None
Fix Text (F-31276r1_fix)
Ensure the CTRL-ALT-DELETE key sequence has been disabled and attempts to use the sequence are logged.
In the /etc/inittab file replace:
ca::ctrlaltdel:/sbin/shutdown -t3 -r now
with
ca:nil:ctrlaltdel:/usr/bin/logger -p security.info "Ctrl-Alt-Del was pressed"