UCF STIG Viewer Logo
Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

The system must not respond to ICMPv4 echoes sent to a broadcast address.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22410 GEN003603 SV-26622r1_rule ECSC-1 Medium
Description
Responding to broadcast Internet Control Message Protocol (ICMP) echoes facilitates network mapping and provides a vector for amplification attacks.
STIG Date
Solaris 9 X86 Security Technical Implementation Guide 2013-07-02

Details

Check Text ( C-27660r1_chk )
Verify the system does not respond to ICMP ECHO_REQUESTs set to broadcast addresses.
# ndd /dev/ip ip_respond_to_echo_broadcast
If the result is not 0, this is a finding.
Fix Text (F-23865r1_fix)
Configure the system to not respond to ICMP ECHO_REQUESTs sent to broadcast addresses.
# ndd -set /dev/ip ip_respond_to_echo_broadcast 0
Also add this command to a system startup script.