04-28-2010
Is that really on loopback and internal IPs, or have you sanitized the addresses? Right now you're telling me your server has several IPs on the same subnet, which is a little odd.
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LEARN ABOUT DEBIAN
ip2host
IP2HOST(1) User Contributed Perl Documentation IP2HOST(1)
NAME
ip2host - Resolves IPs to hostnames in web server logs
SYNOPSIS
ip2host [OPTIONS] [cache_file] < infile > outfile
infile - Web server log file.
outfile - Same as input file, but with IPs resolved to hostnames.
Options:
--children=... Number of child processes to spawn (default: 40)
--timeout=... Seconds to wait on DNS response (default: 20)
--buffer=... Maximum number of log lines to keep in
memory (default: 50000)
--flush=... Number of lines to process before flushing
output buffer (default: 500)
--cache=... Filename to use as disk cache (default: none)
--ttl=... Number of seconds before IPs cached on disk are expired
(default: 604800 - One week)
DESCRIPTION
This is a faster, drop-in replacement for the logresolve utility distributed with the Apache web server.
It's been reported to work under Linux, FreeBSD, Solaris, Tru64, and IRIX.
AUTHOR
Maurice Aubrey <maurice.aubrey+ip2host@gmail.com>
Based on the logresolve.pl script by Rob Hartill.
COPYRIGHT
Copyright 1999-2007, Maurice Aubrey <maurice.aubrey+ip2host@gmail.com>.
This module is free software; you may redistribute it and/or modify it under the same terms as Perl itself.
README
Resolves IPs to hostnames in web server logs. This is a faster, drop-in replacement for the logresolve utility distributed with the Apache
web server.
SCRIPT CATEGORIES
Web
perl v5.14.2 2012-02-15 IP2HOST(1)