The system must set maximum number of incoming connections to 1024.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-216142 | SOL-11.1-050120 | SV-216142r959010_rule | Low |
| Description |
| This setting controls the maximum number of incoming connections that can be accepted on a TCP port limiting exposure to denial of service attacks. |
| STIG | Date |
| Solaris 11 X86 Security Technical Implementation Guide | 2025-05-05 |
Details
| Check Text (C-17380r372808_chk) |
| Determine if the maximum number of incoming connections is set to 1024. # ipadm show-prop -p _conn_req_max_q -co current tcp If the value returned is smaller than "1024", this is a finding. In environments where connection numbers are high, such as a busy web server, this value may need to be increased. |
| Fix Text (F-17378r372809_fix) |
| The Network Management profile is required. Configure maximum number of incoming connections. # pfexec ipadm set-prop -p _conn_req_max_q=1024 tcp |