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Add step 02: Configure firewall with UFW

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robgit21
2026-05-06 15:36:33 +02:00
parent 0b454fb114
commit 2f2cbed5bd
9 changed files with 303 additions and 22 deletions
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LateX/main.toc
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@@ -7,4 +7,15 @@
\contentsline {subsection}{\numberline {1.5}Schritt 5: SSH-Timeout auf 20 Minuten}{6}{subsection.1.5}%
\contentsline {subsection}{\numberline {1.6}Schritt 6: Fail2Ban (Bruteforce-Schutz)}{6}{subsection.1.6}%
\contentsline {subsection}{\numberline {1.7}Zusammenfassung}{7}{subsection.1.7}%
\contentsline {section}{\numberline {2}Firewall mit UFW einrichten}{7}{section.2}%
\contentsline {subsection}{\numberline {2.1}Was ist eine Firewall und warum brauchen wir sie?}{8}{subsection.2.1}%
\contentsline {subsection}{\numberline {2.2}Die 65.535 Ports: Ein kurzer Überblick}{8}{subsection.2.2}%
\contentsline {subsection}{\numberline {2.3}Die drei Ports, die wir öffnen}{8}{subsection.2.3}%
\contentsline {subsection}{\numberline {2.4}Warum HTTPS für PWAs Pflicht ist}{8}{subsection.2.4}%
\contentsline {subsection}{\numberline {2.5}Durchführung}{9}{subsection.2.5}%
\contentsline {subsubsection}{\numberline {2.5.1}Standardrichtlinien setzen}{9}{subsubsection.2.5.1}%
\contentsline {subsubsection}{\numberline {2.5.2}Benötigte Ports öffnen}{10}{subsubsection.2.5.2}%
\contentsline {subsubsection}{\numberline {2.5.3}Firewall aktivieren}{10}{subsubsection.2.5.3}%
\contentsline {subsubsection}{\numberline {2.5.4}Konfiguration überprüfen}{11}{subsubsection.2.5.4}%
\contentsline {subsection}{\numberline {2.6}Zusammenfassung}{11}{subsection.2.6}%
\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file