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Network interfaces must not be configured to allow user control.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22408 | GEN003581 | SV-26620r1_rule | ECLP-1 | Medium |
| Description |
|---|
| Configuration of network interfaces should be limited to privileged users. Manipulation of network interfaces may result in a Denial of Service or bypass of network security mechanisms. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2015-03-12 |
Details
| Check Text ( C-27658r1_chk ) |
|---|
| Check the system for user-controlled network interfaces. # grep -l '^USERCTL=yes' /etc/sysconfig/network-scripts/ifcfg* If any results are returned, this is a finding. |
| Fix Text (F-23863r1_fix) |
|---|
| Edit the configuration for the user-controlled interface and remove the "USERCTL=yes" configuration line or set to "USERCTL=no". |