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## iptables.md

      
        
          
            
              
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                webpepper
                / iptables.md
            
            
              Last active
              January 15, 2020 14:53
            
              
                Block an IP with iptables
              
          
        
      
        
  
      
    Block an IP

Use a real IPv4 instead of x.x.x.x
This will add the block rule to the beginning of the list moving (not overwriting) everything else down.
sudo /sbin/iptables -I INPUT 1 -s x.x.x.x -j DROP