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55 lines
1.5 KiB
Markdown
55 lines
1.5 KiB
Markdown
# SSL Certificate Lifecycle Management Template
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## Certificate Inventory Template
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| Domain | Type | CA | Issued | Expires | Days Left | Status |
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|--------|------|-----|--------|---------|-----------|--------|
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| example.com | DV | Let's Encrypt | 2024-01-01 | 2024-04-01 | 90 | OK |
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| api.example.com | DV | DigiCert | 2024-01-01 | 2025-01-01 | 365 | OK |
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## Monitoring Thresholds
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```yaml
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monitoring:
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ok_threshold: 30 # days
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warning_threshold: 15 # days
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critical_threshold: 7 # days
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check_interval: 86400 # seconds (daily)
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notification:
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email: security@example.com
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slack: "#cert-alerts"
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```
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## CSR Generation Command
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```bash
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# ECDSA (recommended)
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openssl ecparam -genkey -name prime256v1 -out server.key
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openssl req -new -key server.key -out server.csr -subj "/CN=example.com"
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# RSA 4096
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openssl genrsa -out server.key 4096
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openssl req -new -key server.key -out server.csr -subj "/CN=example.com"
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```
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## Renewal Automation (certbot)
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```bash
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# Initial issuance
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certbot certonly --nginx -d example.com -d www.example.com
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# Auto-renewal (cron)
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0 0 * * * certbot renew --quiet --deploy-hook "systemctl reload nginx"
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```
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## Revocation Checklist
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- [ ] Identify affected certificate(s)
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- [ ] Contact CA to initiate revocation
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- [ ] Provide revocation reason (key compromise, cessation, etc.)
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- [ ] Verify revocation in CRL/OCSP
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- [ ] Issue replacement certificate
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- [ ] Deploy replacement to all affected servers
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- [ ] Update certificate inventory
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- [ ] Document incident
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