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USING NMAP TO PERFORM AN XMAS SCAN

USING NMAP TO PERFORM AN XMAS SCAN

XMAS SCAN: In the computer world, a request for comments (RFC) is a document that contains either notes or the technical specifications covering a given technology or standard. RFCs can provide us with a tremendous amount of details about the inner workings of a particular system. Because RFCs describe the technical details of how a system should work, attackers and …

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USING NMAP TO PERFORM NULL SCANS

USING NMAP TO PERFORM NULL SCANS

USING NMAP TO PERFORM NULL SCANS: Null scans, Xmas tree scans, are probes made with packets that violate traditional TCP communication. In many ways, the null scan is the exact opposite of a Xmas tree scan because the null scan utilizes packets that are devoid of any flags (completely empty). Target system will respond to null scans in the exact …

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NMAP SCRIPTING ENGINE: FROM CATERPILLAR TO BUTTERFLY

THE NMAP SCRIPTING ENGINE: FROM CATERPILLAR TO BUTTERFLY

THE NMAP SCRIPTING ENGINE: FROM CATERPILLAR TO BUTTERFLY: Make no mistake. Nmap is an awesome tool. It is mature, robust, well documented, and supported by an active community. However, the NSE provides Nmap with an entirely new skill set and dimension. The NSE is a powerful addition to the classic tool that transforms its functionality and capability well beyond its …

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PORT SCANNING WRAP UP

PORT SCANNING WRAP UP

Port Scanning Wrap Up: Now that we have covered the basics of port scanning, there are a few additional switches that need to be covered. These switches provide extended functionality that may be useful to you as you progress in your penetration testing career. PORT SCANNING WRAP UP As mentioned earlier, the “sV” switch is used to version scanning. When …

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USING NMAP TO PERFORM AN SYN SCAN

USING NMAP TO PERFORM AN SYN SCAN: The SYN Scan is arguably the most popular Nmap port scan. There are many reasons for its popularity, including the fact that it happens to be the default Nmap scan. If you run the Nmap command without specifying a scan type (using the –s switch), Nmap will use the SYN scan by default. …

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USING NMAP TO PERFORM A TCP CONNECT SCAN

USING NMAP TO PERFORM A TCP CONNECT SCAN USING NMAP TO PERFORM A TCP CONNECT SCAN: The first scan we will look at is called the TCP connect scan. This scan is often considered the most basic and stable of all the port scans because Nmap attempts to complete the three-way handshake on each port specified in the Nmap command. …

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