During a penetration testing engagement, a tester notices several open ports on a server that is inadvertently exposed to the internet. Which tool would most effectively allow the penetration tester to determine the services running on these open ports and potentially identify vulnerabilities associated with them?
Nmap is the correct tool in this scenario because it is designed to conduct network discovery and security auditing. It can be used to scan for open ports and identify the services running on those ports along with their version information, which can help to discover known vulnerabilities. Exploit DB is a repository of known exploits and would not be used to identify what services are running. Wireshark is primarily a network protocol analyzer and would not specifically identify services based on open ports. Metasploit is an exploitation framework used after the identification of vulnerabilities, not for the initial discovery of services.
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What specific features of Nmap help in identifying services on open ports?
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How does Nmap compare to other tools like Wireshark and Metasploit?
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What are some common vulnerabilities that Nmap can help identify?