Network Security Tools :

Network Security Tools are software or hardware solutions designed to protect, monitor, and analyze computer networks from cyber threats, unauthorized access, and vulnerabilities. These tools help ensure confidentiality, integrity, and availability of network resources.

Nmap (Network Mapper)

🔹 Purpose: Scans networks to discover hosts, open ports, and vulnerabilities.
🔹 Features:

Detects live hosts and running services
Performs OS detection & firewall evasion
Supports large-scale network scanning
🔹 Official Site: https://nmap.org

Snort

🔹 Purpose: Intrusion Detection System (IDS) that monitors network traffic for threats.
🔹 Features:

Uses rule-based packet inspection
Detects and alerts on attacks
Can be used as an Intrusion Prevention System (IPS)
🔹 Official Site: https://www.snort.org

. Tcpdump

🔹 Purpose: Command-line packet analyzer for capturing network traffic.
🔹 Features:

Lightweight and fast
Filters packets using custom rules
Helps troubleshoot network issues
🔹 Official Site: https://www.tcpdump.org

Zeek (Bro)

🔹 Purpose: Network security monitoring and anomaly detection.
🔹 Features:

Extracts metadata from network traffic
Detects unusual behavior and threats
Integrates with other security tools
🔹 Official Site: https://zeek.org

Netcat

🔹 Purpose: A versatile tool for reading, writing, and debugging network connections.
🔹 Features:

Can establish TCP/UDP connections
Used for port scanning and backdoor access
Works as a simple file transfer tool
🔹 Official Site: https://nc110.sourceforge.io

. Kali Linux Networking Tools

🔹 Purpose: A security-focused Linux distribution with built-in network security tools.
🔹 Includes:

Netdiscover (Network scanner)
Ettercap (Man-in-the-middle attacks)
Arpwatch (Monitors ARP traffic)
🔹 Official Site: https://www.kali.org