Reference

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)
  --ipv6          Match IPv6 addresses too
  --regex=...     Perl regular expression to match IP

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 <[email protected]>

Based on the logresolve.pl script by Rob Hartill.

COPYRIGHT

Copyright 1999-2012, Maurice Aubrey <[email protected]>.

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

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