nmap
http://nmap.org/
- Closed Port: If you send
a SYN to a closed port, it will respondback witha RST .
Open Port: If you send
http://www.madhur.co.in/blog/2011/09/18/filteredclosed.html
- The six port states recognized by
Nmap
open
An application is actively accepting TCP connections, UDP
closed
A closed port is accessible (it receives and responds to
filtered
https://nmap.org/book/man-port-scanning-basics.html
- Metasploit integrates with
Nexpose to verify vulnerabilities
https://www.metasploit.com/
misconfigurations .,
https://docs.microsoft.com/en-us/windows/security/threat-protection/mbsa-removal-and-guidance
https://cisofy.com/lynis/
- Microsoft Baseline Security Analyzer 2.3
https://docs.microsoft.com/en-us/windows/security/threat-protection/mbsa-removal-and-guidance
- Nessus is the most trusted vulnerability scanning platform for auditors and security analysts. Users can schedule scans across multiple scanners, use wizards to easily and quickly create policies, schedule scans and send results via email.
Lynis is an open source security auditing tool. Used by system administrators, security professionals, and auditors, toevaluate the security defenses of their Linux/Unix-based systems.
https://cisofy.com/lynis/