Netcat is useful for issuing requests to mail servers, web servers, software or hardware control ports, or almost any network-exposed service. I now get to use all the tools Linux has to offer on a daily basis, but I still miss the rich metadata PowerShell passes along the pipe. Another tool is nmap which again, I find easy to use.I have been a long time Windows user and a PowerShell fan since it was introduced. You can setup it easily to listen to a specific port. Even if it seems otherwise, Wireshark is easy to use. You may also want to download a current version, which is called ncat and can be found in the nmap distribution. A friend recently introduced it to me and it made certain tasks so much easier for me. Sorry if this sounds like an advertisement I don't work for nor am I affiliated with MobaXterm. For me, there was nothing to install it's just one executable that opens a terminal window in Windows that accepts many Unix commands. The above example will connect you to the hostname on port I discovered that MobaXterm for Windows has the nc netcat command, as well as many other Unix commands, like lspsand kill. While the netcat on this page was removed and quarantined when run, the 'rodneybeede' version linked to near the end of the page tried to connect to the desired port, and wasn't quarantined. I downloaded and extracted these on two systems running 'Symantec Endpoint Protection'. This person ran into the exact same problem read till the end for the version compiled without remote execution. The original nc contained a simple port scanner, but we omitted that from Ncat because we have a preferred tool for that function.
Ncat adds many capabilities not found in Hobbit's original nc, including SSL support, proxy connections, IPv6, and connection brokering. Compatibility with the original Netcat and some well known variants is maintained where it doesn't conflict with Ncat's enhancements or cause usability problems.
Instead, Ncat makes use of Nmap's well optimized and tested networking libraries. Ncat is our modern reinvention of the venerable Netcat nc tool released by Hobbit in While Ncat is similar to Netcat in spirit, they don't share any source code.
It's an implementation of netcat available on the official Nmap site with the port scanning feature removed. I don't need the 'advanced' features which are possibly the reason for the quarantining such as port scanning or remote execution. However these days my anti-virus software Symantec - but I understand others display similar behaviour quarantines netcat. I used to use netcat for Windows to help track down network connectivity issues. Super User is a question and answer site for computer enthusiasts and power users.
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