Introduction to the Apache Web Server - ApacheCon

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package Acme::Apache::Werewolf; use strict; use Astro::MoonPhase; use Apache::Constants qw(:common); use vars qw($VERSION); $VERSION = ’1.00’; sub handler { my $r = shift; my $moonlength = $r->dir config(’MoonLength’); warn "Moon length is $moonlength"; my ( $MoonPhase, $MoonIllum, $MoonAge, $MoonDist, $MoonAng, $SunDist, $SunAng ) = phase(time); } return FORBIDDEN unless abs(14 - $MoonAge) > ($moonlength/2); return OK; All the hard work in this module is done by Astro::MoonPhase, which calculates the phase that the moon is in currently. Given the MoonAge value, the module returns FORBIDDEN if this value is inside the window defined by the value that you provided for MoonLength. 15.10.2 PerlLogHandler A PerlLogHandler handler will let you handle the logging phase from within Perl. 15.10.3 Perl configuration sections 15.11 More information http://perl.apache.org/ mod perl Developer’s Cookbook (Geoff Young) Practical mod perl (Stas Bekman and Eric Cholet) 96
Section 16 Logging Every request to your server results in an entry in a log file. If something goes wrong, it will also result in an entry in the error log file. This means that you always have a “paper trail” for everything that goes on on your server, so that you can look back and find out what happened. This is primarily useful for two purposes - troubleshooting, and statistics gathering. In this chapter, we look at the standard log files, as well as at the custom log files which you can create to fit non-standard needs. 16.1 Standard log files /usr/local/apache/logs/access log First we look at a standard default access log, in Common log format (CLF). While many third-party bundlings of Apache ship with the Combined log format instead, this is still the most common log format, and the Combined is just an extension of it. 16.1.1 access log Format ... 216.35.116.91 - - [19/Aug/2000:14:47:37 -0400] "GET / HTTP/1.0" 200 654 • 216.35.116.91 Client address (See HostNameLookups) • - (placeholder) Ident (always blank) • - (placeholder) Username • [19/Aug/2000:14:47:37 -0400] - Date/time 97
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Introduction to the Apache Web Serv
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3.1 Apache process architecture . .
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8.3 Alias . . . . . . . . . . . . .
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13 SSI 75 13.1 Configuration for SS
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16.5 Typical errors . . . . . . . .
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19.8 Modules . . . . . . . . . . .
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23.1 Caching . . . . . . . . . . .
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He wrote the CERN web server, and t
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• provide a foundation for open,
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This is a good point to encourage d
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• htdocs • icons Show the stude
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./configure --help ./configure --pr
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2.6 apxs apxs is a Perl utility for
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The “correct” value for these d
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• Some modules, like mod php, don
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• help apachectl symlink You may
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Section 4 Configuration files http:
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directory - Can be used in a secti
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httpd -DUSESSL Then you could add a
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Section 5 .htaccess files 5.1 Confi
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5.3 Exercise Create .htaccess file
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ServerName www.foo.com DocumentRoot
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3. Verify that they are serving con
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Section 7 MIME http://httpd.apache.
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AddType application/x-tar tgz Note
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7.4.3 mod gzip More will be said ab
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Section 8 URL Mapping http://httpd.
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23.2 Proxying The proxy part lets y
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