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The system must ignore ICMP redirect messages.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-48189 | SOL-11.1-050070 | SV-61061r1_rule | Low |
| Description |
|---|
| Ignoring ICMP redirect messages reduces the likelihood of denial of service attacks. |
| STIG | Date |
|---|---|
| Solaris 11 SPARC Security Technical Implementation Guide | 2017-01-05 |
Details
| Check Text ( C-50621r1_chk ) |
|---|
| Determine if ICMP redirect messages are ignored. # ipadm show-prop -p _ignore_redirect -co current ipv4 # ipadm show-prop -p _ignore_redirect -co current ipv6 If the output of all commands is not "1", this is a finding. |
| Fix Text (F-51797r1_fix) |
|---|
| 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 |