STIGQter STIGQter: STIG Summary: Red Hat Enterprise Linux 10 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

RHEL 10 must enforce that network interfaces not be in promiscuous mode.

DISA Rule

SV-281334r1167152_rule

Vulnerability Number

V-281334

Group Title

SRG-OS-000423-GPOS-00187

Rule Version

RHEL-10-800020

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure RHEL 10 network interfaces to turn off promiscuous mode unless approved by the ISSO and documented.

Set the promiscuous mode of an interface to "off" with the following command:

$ sudo ip link set dev <devicename> multicast off promisc off

Check Contents

Verify RHEL 10 network interfaces are not in promiscuous mode with the following command:

$ sudo ip link | grep -i promisc

If network interfaces are found on the system in promiscuous mode and their use has not been approved by the ISSO and documented, this is a finding.

Vulnerability Number

V-281334

Documentable

False

Rule Version

RHEL-10-800020

Severity Override Guidance

Verify RHEL 10 network interfaces are not in promiscuous mode with the following command:

$ sudo ip link | grep -i promisc

If network interfaces are found on the system in promiscuous mode and their use has not been approved by the ISSO and documented, this is a finding.

Check Content Reference

M

Target Key

5733