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V-216372

CAT II (Medium)

The system must not respond to broadcast ICMP echo requests.

Rule ID

SV-216372r959010_rule

STIG

Solaris 11 SPARC Security Technical Implementation Guide

Version

V3R5

CCIs

CCI-000366

Discussion

ICMP echo requests can be useful for reconnaissance of systems and for denial of service attacks.

Check Content

Determine if ICMP echo requests response is disabled.

# ipadm show-prop -p _respond_to_echo_broadcast -co current ip

If the output of this command is not "0", this is a finding.

Fix Text

The Network Management profile is required.

Disable respond to echo broadcast.

# pfexec ipadm set-prop -p _respond_to_echo_broadcast=0 ip