sorb/axion1337.chat-gitops
1
0
Fork 0
Code Issues Pull Requests Packages Projects 1 Releases 24 Wiki Activity

[MEDIUM] Kernel hardening (sysctl) #27

New Issue
Closed
opened 2026-07-28 14:31:51 +00:00 by sorb · 1 comment
sorb commented 2026-07-28 14:31:51 +00:00
Owner
Copy Link
Copy Source

Apply Lynis-recommended sysctl hardening: kernel.kptr_restrict=2, kernel.dmesg_restrict=1, net.ipv4.tcp_syncookies=1, net.ipv4.conf.all.rp_filter=1, disable ICMP redirects, etc. Persist via /etc/sysctl.d/99-hardening.conf.

Apply Lynis-recommended sysctl hardening: `kernel.kptr_restrict=2`, `kernel.dmesg_restrict=1`, `net.ipv4.tcp_syncookies=1`, `net.ipv4.conf.all.rp_filter=1`, disable ICMP redirects, etc. Persist via `/etc/sysctl.d/99-hardening.conf`.
sorb added the priority:mediumarea:infrastructure labels 2026-07-28 14:31:51 +00:00
sorb commented 2026-08-01 14:26:05 +00:00
Author
Owner
Copy Link
Copy Source

Migriert nach git.lab: axion1337.chat/axion1337.chat-gitops#27 (nur im Lab bzw. via VPN erreichbar — das Lab ist seit 2026-08-01 die Quelle der Wahrheit, siehe gitops#48). Weiterarbeit dort; dieses Gitea-Issue bleibt als Verweis stehen.

**Migriert nach git.lab**: [axion1337.chat/axion1337.chat-gitops#27](https://git.lab/axion1337.chat/axion1337.chat-gitops/-/issues/27) (nur im Lab bzw. via VPN erreichbar — das Lab ist seit 2026-08-01 die Quelle der Wahrheit, siehe gitops#48). Weiterarbeit dort; dieses Gitea-Issue bleibt als Verweis stehen.
sorb closed this issue 2026-08-01 14:26:05 +00:00
Sign in to join this conversation.
No Branch/Tag Specified
Branches Tags
Labels
Clear labels
area:authentik
Authentik Identity Provider
 area:database
Database and backups
 area:element
Element and UI
 area:infrastructure
K3S and infrastructure
 area:security
Security hardening
 priority:critical
Critical - This week
 priority:high
High - 1-2 weeks
 priority:low
Low - nice to have
 priority:medium
Medium - ~1 month
No labels area:infrastructure priority:medium
Milestone
No items
No Milestone
Projects
Clear projects
No projects
Assignees
Clear assignees
sorb (ScrublordMcBad)
No Assignees
1 Participants
Notifications
Due Date
No due date set.
Dependencies

No dependencies set.

Reference: sorb/axion1337.chat-gitops#27