NetCat is a network exploration application that is not only popular among those in the security industry, but also in the network and system administration fields.

While it’s primarily used for outbound/inbound network checking and port exploration, it’s also valuable when used in conjunction with programming languages like Perl or C, or with bash scripts.

Netcat’s main features include:

  • TCP and UDP port analysis

  • Inbound and outbound network sniffing

  • Reverse and forward DNS analysis

  • Scan local and remote ports

  • Fully integrated with terminal standard input

  • UDP and TCP tunnelling mode

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