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Add security measures: Fail2ban, NPM access lists

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- Fail2ban on Forgejo (5 retries, 24h ban)
- NPM access list 'home_only' restricts admin UIs to 83.89.248.247
- Applied to: dns.georgsen.dk, dockge.georgsen.dk, pbs.georgsen.dk
- Added home IP to documentation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Mikkel Georgsen 2026-01-14 12:48:15 +00:00
parent 530ef7c6b9
commit 6c48c71a4f
2 changed files with 30 additions and 0 deletions
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11
CLAUDE.md
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@ -89,6 +89,17 @@ ssh root@10.5.0.14 # Forgejo
ssh mikkel@10.5.0.111 # dev container ssh mikkel@10.5.0.111 # dev container
``` ```
## Important IPs
- **Home IP:** 83.89.248.247 (static, used for NPM access lists)
- **Public IP:** 65.108.14.165 (core.georgsen.dk)
## Security
- **NPM Access List "home_only" (ID 1):** Restricts access to home IP only
- Applied to: dns.georgsen.dk, dockge.georgsen.dk, pbs.georgsen.dk
- **Fail2ban:** Running on Forgejo (bans after 5 failed attempts for 24h)
## User Preferences ## User Preferences
- Python and Batch for scripting - Python and Batch for scripting

19
homelab-documentation.md
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@ -480,6 +480,25 @@ Personal company website
- **UI Style:** 256-color terminal retro aesthetic - **UI Style:** 256-color terminal retro aesthetic
- **Development:** Ask clarifying questions, prefer understanding over workarounds - **Development:** Ask clarifying questions, prefer understanding over workarounds
- **Tools:** Claude Code for development projects - **Tools:** Claude Code for development projects
- **Home IP:** 83.89.248.247 (static)
---
## Security
### NPM Access Lists
| ID | Name | IPs | Applied To |
|----|------|-----|------------|
| 1 | home_only | 83.89.248.247 | dns.georgsen.dk, dockge.georgsen.dk, pbs.georgsen.dk |
### Fail2ban
**Forgejo (VMID 114):**
- Config: `/etc/fail2ban/jail.local`
- Max retries: 5
- Ban time: 24 hours
- Log: `/var/lib/forgejo/log/forgejo.log`
--- ---