Nmap has a database of about 2,200 well-known services. Once the ports are detected to be open, these options can be used to identify the exact type and version of the service running. Nmap does this by querying these ports with specific requests and analyzes the responses received.
- Title Page
- Copyright and Credits
- About Packt
- Contributors
- Preface
- Introduction to Network Vulnerability Scanning
- Understanding Network Scanning Tools
- Port Scanning
- Vulnerability Scanning
- Configuration Audits
- Report Analysis and Confirmation
- Understanding the Customization and Optimization of Nessus and Nmap
- Network Scanning for IoT, SCADA/ICS
- Vulnerability Management Governance
- Setting Up the Assessment Environment
- Security Assessment Prerequisites
- Target scoping and planning
- Gathering requirements
- Deciding upon the type of vulnerability assessment
- Estimating the resources and deliverables
- Preparing a test plan
- Getting approval and signing NDAs
- Summary
- Information Gathering
- Enumeration and Vulnerability Assessment
- Gaining Network Access
- Assessing Web Application Security
- Privilege Escalation
- Maintaining Access and Clearing Tracks
- Vulnerability Scoring
- Threat Modeling
- Patching and Security Hardening
- Vulnerability Reporting and Metrics
- Importance of reporting
- Type of reports
- Reporting tools
- Collaborative vulnerability management with Faraday v2.6
- Metrics
- Mean time to detect
- Mean time to resolve
- Scanner coverage
- Scan frequency by asset group
- Number of open critical/high vulnerabilities
- Average risk by BU, asset group, and so on
- Number of exceptions granted
- Vulnerability reopen rate
- Percentage of systems with no open high/critical vulnerability
- Vulnerability ageing
- Summary
- Other Books You May Enjoy
Service or version detection
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