SLEM 5 must not be performing Internet Protocol version 6 (IPv6) packet forwarding unless the system is a router.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-261325 | SLEM-05-254030 | SV-261325r996445_rule | CCI-000366 | medium |
| Description | ||||
| Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this software is used when not required, system network information may be unnecessarily transmitted across the network. | ||||
| STIG | Date | |||
| SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide | 2025-05-08 | |||
Related Frameworks
4 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
CM-6
1.00
- DISA · 1 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1712 mappings
3.4.1
1.00
- DISA · 1 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
3.4.2
1.00
- DISA · 1 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000366
1.00
- DISA · 1 · disa_xccdf · related
Details
Check Text (C-261325r996445_chk)
Verify SLEM 5 is not performing IPv6 packet forwarding, unless the system is a router with the following command:
> sudo sysctl net.ipv6.conf.all.forwarding
net.ipv6.conf.all.forwarding = 0
If the network parameter "ipv6.conf.all.forwarding" is not equal to "0", or nothing is returned, this is a finding.
Fix Text (F-64962r996444_fix)
Configure SLEM 5 to not performing IPv6 packet forwarding by running the following command as an administrator:
> sudo sysctl -w net.ipv6.conf.all.forwarding=0
If "0" is not the system's default value, add or update the following line in "/etc/sysctl.d/99-stig.conf":
> sudo sh -c 'echo "net.ipv6.conf.all.forwarding=0" >> /etc/sysctl.d/99-stig.conf'
> sudo sysctl --system