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Author SHA1 Message Date
Administrator
5e3c9cbc29 docs: update linux/linux-firewall 2026-03-16 00:20:03 +00:00
Administrator
379484de22 docs: update linux/linux-firewall 2026-03-16 00:18:23 +00:00
Administrator
0205a08a0c docs: update linux/linux-firewall 2026-03-16 00:16:51 +00:00
Administrator
4e4aea28ec docs: update linux/linux-firewall 2026-03-16 00:15:48 +00:00
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linux/linux-firewall.md
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@@ -2,7 +2,7 @@
title: Firewall Linux
description: Firewall Konfiguration unter Linux
published: true
date: 2026-03-16T00:13:44.032Z
date: 2026-03-16T00:20:01.180Z
tags: firewall, linux
editor: markdown
dateCreated: 2026-03-15T23:56:44.726Z
@@ -38,4 +38,18 @@ ufw allow 21115:21119/udp
Mit diesem Befehl schaltet man die Firewall ein:
```bash
sudo ufw enable
```
```
Die Maschine neustarten und danach prüfen:
```bash
sudo ufw status numbered
```
## Empfehlungen Firewall Einstellungen
1) SSH Bruteforce Schutz
```bash
ufw limit 22/tcp
```
2) Das blockiert automatisch IPs bei Login-Angriffen
```bash
apt install fail2ban
```