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Pip's command-line interface allows the install of Python software packages by issuing a command: pip install some-package-name. Users can also remove the package by issuing a command: pip uninstall some-package-name. pip has a feature to manage full lists of packages and corresponding version numbers, possible through a "requirements" file. [14]
Official port is 1812. TCP port 1645 must not be used for RADIUS. [150] 1646: No: Unofficial: Old radacct port, [when?] RADIUS accounting protocol. Enabled for compatibility reasons by default on Cisco [citation needed] and Juniper Networks RADIUS servers. [149] Official port is 1813. TCP port 1646 must not be used for RADIUS. [150] 1666 ...
Windows Vista, Windows 7, and Server 2008 use the IANA range by default. [4] 32768–60999: used by many Linux kernels. [note 1] [5] 32768–65535: used by Solaris OS [citation needed] and AIX OS. [citation needed] 1024–65535: RFC 6056 [6] 1025–60000: default of Windows Server 2008 with Exchange Server 2007 installed. [7]
In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).
A port scan or portscan is a process that sends client requests to a range of server port addresses on a host, with the goal of finding an active port; this is not a nefarious process in and of itself. [1] The majority of uses of a port scan are not attacks, but rather simple probes to determine services available on a remote machine.
4xx: The request cannot be completed at the server for a variety of reasons, including bad request syntax (code 400). 5xx: The server failed to fulfill an apparently valid request, including server internal errors (code 500). 6xx: The request cannot be fulfilled at any server. It indicates a global failure, including call rejection by the ...
Port forwarding via NAT router. In computer networking, port forwarding or port mapping is an application of network address translation (NAT) that redirects a communication request from one address and port number combination to another while the packets are traversing a network gateway, such as a router or firewall.
A server for the LPD protocol listens for requests on TCP port 515. [1] A request begins with a byte containing the request code, followed by the arguments to the request, and is terminated by an ASCII LF character. An LPD printer is identified by the IP address of the server machine and the queue name on that machine. Many different queue ...