Rule sysctl_net_ipv4_conf_default_rp_filter is misaligned with DISA

[ggbecker]

Description of problem:

DISA Misalignment for sysctl_net_ipv4_conf_default_rp_filter

SCAP Security Guide Version:

Current upstream master branch as of 2025-08-28 as of HEAD 2b6628c92d3d6b4cda2d2c7221abbf085f27368e

Operating System Version:

RHEL 9 - RHEL-9.7.0-20250826.5

Steps to Reproduce:

1. /scanning/disa-alignment/anaconda/sysctl_net_ipv4_conf_default_rp_filter
2. /scanning/disa-alignment/ansible/sysctl_net_ipv4_conf_default_rp_filter
3. /scanning/disa-alignment/oscap/sysctl_net_ipv4_conf_default_rp_filter

Actual Results:

SSG result: pass, DISA result(s): SV-257965r1106333_rule:fail

Expected Results:

SSG rule sysctl_net_ipv4_conf_default_rp_filter is aligned with DISA

Additional Information/Debugging Steps:

[ggbecker]

This is the same problem described here: https://github.com/ComplianceAsCode/content/issues/13799#issuecomment-3223935686