The system must set maximum number of incoming connections to 1024.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| low | V-216379 | SRG-OS-000480 | SOL-11.1-050120 | SV-216379r959010_rule | 2024-11-25 | 3 |
| 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. |
| ℹ️ Check |
|---|
| 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 |
|---|
| The Network Management profile is required. Configure maximum number of incoming connections. # pfexec ipadm set-prop -p _conn_req_max_q=1024 tcp |