22 lines
1.9 KiB
TeX
22 lines
1.9 KiB
TeX
\babel@toc {ngerman}{}\relax
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\contentsline {section}{\numberline {1}Server-Absicherung (Ubuntu 24.04 auf Contabo VPS)}{3}{section.1}%
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\contentsline {subsection}{\numberline {1.1}Schritt 1: SSH-Verbindung testen}{3}{subsection.1.1}%
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\contentsline {subsection}{\numberline {1.2}Schritt 2: System-Updates}{4}{subsection.1.2}%
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\contentsline {subsection}{\numberline {1.3}Schritt 3: SSH-Key-Authentifizierung}{4}{subsection.1.3}%
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\contentsline {subsection}{\numberline {1.4}Schritt 4: SSH-Client-Konfiguration (Alias)}{5}{subsection.1.4}%
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\contentsline {subsection}{\numberline {1.5}Schritt 5: SSH-Timeout auf 20 Minuten}{6}{subsection.1.5}%
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\contentsline {subsection}{\numberline {1.6}Schritt 6: Fail2Ban (Bruteforce-Schutz)}{6}{subsection.1.6}%
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\contentsline {subsection}{\numberline {1.7}Zusammenfassung}{7}{subsection.1.7}%
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\contentsline {section}{\numberline {2}Firewall mit UFW einrichten}{7}{section.2}%
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\contentsline {subsection}{\numberline {2.1}Was ist eine Firewall und warum brauchen wir sie?}{8}{subsection.2.1}%
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\contentsline {subsection}{\numberline {2.2}Die 65.535 Ports: Ein kurzer Überblick}{8}{subsection.2.2}%
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\contentsline {subsection}{\numberline {2.3}Die drei Ports, die wir öffnen}{8}{subsection.2.3}%
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\contentsline {subsection}{\numberline {2.4}Warum HTTPS für PWAs Pflicht ist}{8}{subsection.2.4}%
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\contentsline {subsection}{\numberline {2.5}Durchführung}{9}{subsection.2.5}%
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\contentsline {subsubsection}{\numberline {2.5.1}Standardrichtlinien setzen}{9}{subsubsection.2.5.1}%
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\contentsline {subsubsection}{\numberline {2.5.2}Benötigte Ports öffnen}{10}{subsubsection.2.5.2}%
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\contentsline {subsubsection}{\numberline {2.5.3}Firewall aktivieren}{10}{subsubsection.2.5.3}%
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\contentsline {subsubsection}{\numberline {2.5.4}Konfiguration überprüfen}{11}{subsubsection.2.5.4}%
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\contentsline {subsection}{\numberline {2.6}Zusammenfassung}{11}{subsection.2.6}%
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\providecommand \tocbasic@end@toc@file {}\tocbasic@end@toc@file
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