get host name by IP address Post: 302381428

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LEARN ABOUT DEBIAN

socket_getnameinfo

SOCKET_GETNAMEINFO(1p)					User Contributed Perl Documentation				    SOCKET_GETNAMEINFO(1p)

NAME

       "socket_getnameinfo" - command-line tool to "getnameinfo(3)" resolver

SYNOPSIS

       socket_getnameinfo [options...] address port

DESCRIPTION

       This tool provides a convenient command-line wrapper around the getnameinfo(3) resolver function. It will perform a single reverse lookup
       to convert an address and port number into its host and service names. This is mainly useful when debugging names resolution problems,
       because it allows inspection of the getnameinfo(3) behaviour itself, outside of any real program that is trying to use it.

OPTIONS

       --address, -A ADDR
	       Numerical form of address to look up. If not supplied, will use the first positional argument.

       --port, -P PORT
	       Port number to look up. If not supplied, will use the second positional argument.

       --dgram Sets the "NI_DGRAM" flag; looks up a "SOCK_DGRAM" (udp) port allocation rather than "SOCK_STREAM" (tcp).

       --help  Display a help summary and exit

NOTE

       Upstream this script is known as "getnameinfo", but was renamed on Debian.

AUTHOR

       Paul Evans <leonerd@leonerd.org.uk>

perl v5.14.2							    2012-06-08						    SOCKET_GETNAMEINFO(1p)

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Server name + IP address removed from host table after rebooting

Discussion started by: FIRE

2. UNIX for Advanced & Expert Users

Host IP address for a telnet session

Discussion started by: shauche

3. Solaris

Host ID vs MAC Address

Discussion started by: TheBlueSky

4. Programming

host name to IP address

Discussion started by: cleopard