The system must ignore ICMP redirect messages.
An XCCDF Rule
Description
Ignoring ICMP redirect messages reduces the likelihood of denial of service attacks.
- ID
- SV-216374r959010_rule
- Version
- SOL-11.1-050070
- Severity
- Low
- References
- Updated
Remediation Templates
A Manual Procedure
The Network Management profile is required.
Disable ignore redirects for IPv4 and IPv6.
# pfexec ipadm set-prop -p _ignore_redirect=1 ipv4
# pfexec ipadm set-prop -p _ignore_redirect=1 ipv6