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Modem phone lines are not restricted to single-line operation.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-7990 | DSN18.05 | SV-8476r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Requirement: The IAO will ensure that all modem phone lines are restricted to single-line operation without any special features such as the call forwarding capability. By restricting modem phone lines to single-line operation, the risk of unauthorized access is limited by preventing the added functions of a multi-line to be used by an unauthorized person to gain access. |
| STIG | Date |
|---|---|
| Defense Switched Network (DSN) STIG | 2017-01-19 |
Details
| Check Text ( C-7302r1_chk ) |
|---|
| Interview the IAO and/or SA to confirm compliance through discussion, review of site policy and procedures, diagrams, documentation, configuration files, logs, records, DAA/other approvals, etc as applicable |
| Fix Text (F-7565r1_fix) |
|---|
| Ensure that only single-line phone lines are used for modem access. |