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Nmap is used for network reconnaissance and exploitation of the slum tower network. It is even seen briefly in the movie's trailer. The command Nmap is widely used in the video game Hacknet, allowing to probe the network ports of a target system to hack it. In Snowden, Nmap is used in the aptitude test scene about 14 minutes into the movie.
Banner grabbing is a technique used to gain information about a computer system on a network and the services running on its open ports. Administrators can use this to take inventory of the systems and services on their network.
A port scanner is an application designed to probe a server or host for open ports.Such an application may be used by administrators to verify security policies of their networks and by attackers to identify network services running on a host and exploit vulnerabilities.
hping is an open-source packet generator and analyzer for the TCP/IP protocol created by Salvatore Sanfilippo (also known as Antirez). It is one of the common tools used for security auditing and testing of firewalls and networks, and was used to exploit the idle scan scanning technique (also invented by the hping author), and now implemented in the Nmap Security Scanner.
In computing, a ping sweep is a method that can establish a range of IP addresses which map to live hosts.. The classic tool used for ping sweeps is fping, [1] [2] [3] which traditionally was accompanied by gping to generate the list of hosts for large subnets, [4] although more recent versions of fping include that functionality. [1]
The RFC specifies this code should be returned by teapots requested to brew coffee. [18] This HTTP status is used as an Easter egg in some websites, such as Google.com's "I'm a teapot" easter egg. [19] [20] [21] Sometimes, this status code is also used as a response to a blocked request, instead of the more appropriate 403 Forbidden. [22] [23]
There was hardly any movement at the top of the College Football Playoff rankings after Week 13.. The top four teams remained the same as Notre Dame moved up a spot to No. 5. The Fighting Irish ...
Network administratively prohibited 10: Host administratively prohibited 11: Network unreachable for ToS: 12: Host unreachable for ToS: 13: Communication administratively prohibited 14: Host Precedence Violation 15: Precedence cutoff in effect 4 – Source Quench 0: deprecated [11] Source quench (congestion control) 5 – Redirect Message 0