All posts by Tuna Peyo

Discover hosts with a TCP SYN ping scan

Mar 13,16

Many network administrators today block ICMP ping messages, so the ordinary Nmap ping sweep which uses ICMP will not be …

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Discover if a host is online

Mar 13,16

Sometimes, you need only to find out whether a host is online and not run a a full port scan. …

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Specify IP address range

Mar 13,16

Sometimes, you need to scan not a single machine but a whole range of hosts. There are several ways to specify …

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Specify port ranges

Mar 13,16

By default, Nmap scans the most common 1,000 ports for each protocol. However, there are 65535 ports that can be …

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Determine service version

Mar 13,16

You can use Nmap to determine the version of the software the target is running. This is particulary useful when …

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Start Nmap

Mar 13,16

Nmap is usually used through a command-line interface. To verify if Nmap is already installed in Linux, run the nmap …

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