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Kali Linux Interview Questions and Answers

'tcpdump' is a command-line packet analyzer that captures and displays network traffic for analysis or debugging purposes.

Example:

Capturing packets on interface eth0 with 'tcpdump'.

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'iptables' is a user-space utility that allows a system administrator to configure IP packet filter rules to control network traffic.

Example:

Creating a rule to allow incoming traffic on port 22: iptables -A INPUT -p tcp --dport 22 -j ACCEPT

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Using 'John the Ripper' to crack Unix passwords involves providing the password hashes from the '/etc/shadow' file.

Example:

Cracking Unix password hashes: unshadow /etc/passwd /etc/shadow > passwordfile.txt
john passwordfile.txt

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'GPG' is a cryptographic software tool used for secure communication and data integrity verification through the use of public and private keys.

Example:

Encrypting a file with 'GPG': gpg --output encrypted_file.gpg --encrypt --recipient recipient_key file_to_encrypt

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