fix(azurelinux-release): persist CIS sysctl defaults - #18633
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Lynsey Rydberg (corvus-callidus) wants to merge 1 commit into
Open
fix(azurelinux-release): persist CIS sysctl defaults#18633Lynsey Rydberg (corvus-callidus) wants to merge 1 commit into
Lynsey Rydberg (corvus-callidus) wants to merge 1 commit into
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Set the secure redirect and router advertisement controls to 0 in the common hardening policy so they are applied at boot and explicitly satisfy the CIS requirements.
Lynsey Rydberg (corvus-callidus)
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August 26, 2026 20:37
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Lynsey Rydberg (corvus-callidus)
August 26, 2026 20:37
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Pull request overview
Persists four CIS network sysctl defaults in azurelinux-release.
Changes:
- Disables secure redirects and IPv6 router advertisements.
- Bumps package release to 28.
- Refreshes rendered files and component lock.
Reviewed changes
Copilot reviewed 4 out of 5 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
base/comps/azurelinux-release/70-azurelinux-hardening.conf |
Adds persistent CIS sysctl defaults. |
base/comps/azurelinux-release/azurelinux-release.spec |
Bumps release and changelog. |
specs/a/azurelinux-release/70-azurelinux-hardening.conf |
Updates rendered sysctl configuration. |
specs/a/azurelinux-release/azurelinux-release.spec |
Updates rendered package metadata. |
locks/azurelinux-release.lock |
Refreshes the input fingerprint. |
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Contributor
|
/azp run |
|
Azure Pipelines: 2 pipeline(s) were filtered out due to trigger conditions. |
Tobias Brick (tobiasb-ms)
approved these changes
Aug 26, 2026
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Summary
Persist CIS network sysctl settings in
70-azurelinux-hardening.conf:net.ipv4.conf.all.secure_redirects = 0net.ipv4.conf.default.secure_redirects = 0net.ipv6.conf.all.accept_ra = 0net.ipv6.conf.default.accept_ra = 0Resolves:
Testing
Built
azurelinux-release, installed on an AZL4 VM, applied the sysctl policy, and ran CIS-CAT Level 1 Server. All four controls pass.