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feat: upgrade ALB SSL policy to TLS 1.3 with post-quantum support#57

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guidev wants to merge 2 commits into
langfuse:mainfrom
guidev:feat/alb-tls13-pq-policy
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feat: upgrade ALB SSL policy to TLS 1.3 with post-quantum support#57
guidev wants to merge 2 commits into
langfuse:mainfrom
guidev:feat/alb-tls13-pq-policy

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@guidev guidev commented Mar 21, 2026

Summary

  • Adds alb.ingress.kubernetes.io/ssl-policy: ELBSecurityPolicy-TLS13-1-3-PQ-2025-09 to the ALB ingress annotations
  • Enforces TLS 1.3 only with post-quantum key exchange support
  • Addresses the "Load Balancers should use the latest security policy" security finding

Test plan

  • Verify terraform plan shows the expected annotation change
  • Confirm ALB listener updates to the new SSL policy after apply
  • Validate TLS 1.3 connectivity with openssl s_client -connect <domain>:443
  • Confirm TLS 1.2 clients are correctly rejected

🤖 Generated with Claude Code

guidev and others added 2 commits March 22, 2026 00:02
Use ELBSecurityPolicy-TLS13-1-3-PQ-2025-09 to enforce TLS 1.3 only
with post-quantum key exchange, addressing the "Load Balancers should
use the latest security policy" finding.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Comment thread langfuse.tf
alb.ingress.kubernetes.io/scheme: ${var.alb_scheme}
alb.ingress.kubernetes.io/target-type: 'ip'
alb.ingress.kubernetes.io/ssl-redirect: '443'
alb.ingress.kubernetes.io/ssl-policy: ELBSecurityPolicy-TLS13-1-3-PQ-2025-09
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@guidev Can you make this configurable? I think we should pass this in from the variables instead.

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2 participants