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server_rudimentaer_absichern [2021/08/10 13:42] adminserver_rudimentaer_absichern [2021/08/16 08:52] (current) admin
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 ====== VServer mit Debian 10 rudimentär absichern ====== ====== VServer mit Debian 10 rudimentär absichern ======
  
-    mysql_secure_installation+===== MySQLs desaströse Grundinstallation richten =====
  
-    2 useradd -g users -d /home/user user+     mysql_secure_installation 
 + 
 +===== User zufügen, damit man sich im Notfall mit PW einloggen kann ===== 
 + 
 +    useradd -g users -d /home/user user
     passwd user     passwd user
     mkdir /home/user     mkdir /home/user
Line 9: Line 13:
         Check, if user can "su -" before proceeding to next step!!!         Check, if user can "su -" before proceeding to next step!!!
  
-    nano /etc/ssh/sshd_config+===== Rootlogin nur mit SSH-Key zulassen ===== 
 + 
 +     nano /etc/ssh/sshd_config
         PermitRootLogin without-password         PermitRootLogin without-password
  
 +===== Universal Fire Wall installieren und ssh, http und https zulassen =====
 +
 +    apt install ufw
 +    ufw default deny incoming
 +    ufw default allow outgoing
 +    ufw allow ssh
 +    ufw allow http
 +    ufw allow https
 +    ufw enable 
 +
 +===== Failban aktivieren, weil dann logfiles lesbarer werden ;-) =====
 +   
 +    apt install fail2ban
 +    cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
 +    nano /etc/fail2ban/jail.local 
 +        Adjust whatever you like here.
 +    systemctl restart fail2ban.service 
 +    
 +===== Unattended Upgrades, damit immer alles aktuell ist =====
 +
 +    apt-get install unattended-upgrades apt-listchanges
 +    
 +
 +Weiter mit [[Letsencrypt Installation]]
server_rudimentaer_absichern.1628602943.txt.gz · Last modified: 2021/08/10 13:42 by admin

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