Fundamentals of InfoSecintermediate
Order the standard steps for conducting an authorized Nmap network assessment from first to last.
Answer
Verify authorization and scope boundaries, Select the scan technique appropriate to the assessment objective, Execute the Nmap scan and save the output, Analyze and interpret the resulting port states
Explanation
### Why this is right
Authorization must be established before sending probes. The assessor then chooses a method that fits the permitted objective, runs it, and interprets the observed responses. This sequence prevents scanning an out-of-scope target and discourages treating raw output as a conclusion without analysis.
### The concept
Nmap scanning is active because it sends network traffic. Scope defines which systems and methods have been approved. Choosing between host discovery, TCP scanning, and UDP probing depends on the assessment goal. Saving results can support review, but the output still needs context about filtering and network conditions.
### The order
1. **Confirm that the target and requested scan are within the authorized scope.** Permission sets the boundary for all testing.
2. **Choose a discovery or scan method appropriate to the assessment.** The method should match the approved question.
3. **Run the scan and save results if required.** This produces evidence for analysis.
4. **Interpret the results, including open, closed, or filtered states.** The observations must be assessed in context.
### Terms
- **Nmap**: Network Mapper. A tool for active host and service discovery.
- **TCP**: Transmission Control Protocol. A transport protocol used for reliable connections.
- **UDP**: User Datagram Protocol. A transport protocol used by network services.
### Remember
For active scans, authorization comes before target selection and probing.
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