Introduction to the Apache Web Server - ApacheCon

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13 SSI 75 13.1 Configuration for SSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 13.2 XBitHack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 13.3 mod include configuration directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 13.4 SSI directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 13.4.1 config . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 13.4.2 timefmt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 13.4.3 echo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 13.4.4 exec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 13.4.5 fsize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 13.4.6 flastmod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 13.4.7 include . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 13.4.8 printenv . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 13.5 Variables and flow control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 13.6 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 14 Handlers and Filters 81 14.1 Handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 14.1.1 Configuration directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 14.1.2 Standard handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 14.1.3 Custom handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 14.2 Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 14.2.1 Chaining filters - CGI + SSI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 14.2.2 mod deflate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 15 mod perl 89 15.1 Overview - What is mod perl? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 15.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 15.3 mod perl installation caveats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 15.4 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 viii
15.4.1 PerlRequire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 15.5 Connecting to your database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 15.6 CGI under mod perl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 15.6.1 Apache::PerlRun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 15.6.2 Apache::Registry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 15.7 Apache handlers with mod perl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 15.7.1 Installing a mod perl handler from CPAN . . . . . . . . . . . . . . . . . . . . . . . . . 92 15.8 Writing a mod perl handler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 15.8.1 Example mod perl handlers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 15.8.2 Installing the example mod perl handler . . . . . . . . . . . . . . . . . . . . . . . . . . 94 15.8.3 Configuring the mod perl handler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 15.9 Common problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 15.9.1 Don’t exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 15.9.2 Restart the server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 15.9.3 Global values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 15.10Other phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 15.10.1PerlAccessHandler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 15.10.2PerlLogHandler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 15.10.3Perl configuration sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 15.11More information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 16 Logging 97 16.1 Standard log files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 16.1.1 access log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 16.2 Location and format of the log file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 16.3 mod log io . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 16.4 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 16.4.1 Error logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 16.4.2 LogLevel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 ix
Page 1: Introduction to the Apache Web Serv
Page 4 and 5: 3.1 Apache process architecture . .
Page 6 and 7: 8.3 Alias . . . . . . . . . . . . .
Page 10 and 11: 16.5 Typical errors . . . . . . . .
Page 12 and 13: 19.8 Modules . . . . . . . . . . .
Page 14 and 15: 23.1 Caching . . . . . . . . . . .
Page 16 and 17: He wrote the CERN web server, and t
Page 18 and 19: • provide a foundation for open,
Page 20 and 21: This is a good point to encourage d
Page 22 and 23: • htdocs • icons Show the stude
Page 24 and 25: ./configure --help ./configure --pr
Page 26 and 27: 2.6 apxs apxs is a Perl utility for
Page 28 and 29: The “correct” value for these d
Page 30 and 31: • Some modules, like mod php, don
Page 32 and 33: • help apachectl symlink You may
Page 35 and 36: Section 4 Configuration files http:
Page 37 and 38: directory - Can be used in a secti
Page 39 and 40: httpd -DUSESSL Then you could add a
Page 41 and 42: Section 5 .htaccess files 5.1 Confi
Page 43: 5.3 Exercise Create .htaccess file
Page 46 and 47: ServerName www.foo.com DocumentRoot
Page 48 and 49: 3. Verify that they are serving con
Page 51 and 52: Section 7 MIME http://httpd.apache.
Page 53 and 54: AddType application/x-tar tgz Note
Page 55 and 56: 7.4.3 mod gzip More will be said ab
Page 57 and 58: Section 8 URL Mapping http://httpd.
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Equivalent to ... Alias /cgi-bin/ /
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Then /cgi-bin/404.cgi will look lik
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----------------------------- The
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UserDir disabled UserDir enabled rb
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9.2 Negotiation Methods 9.2.1 Multi
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Note, however, that CacheNegotiated
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10.3 IndexOptions The arguments to
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10.4 Additional directives In addit
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Section 11 Performance Tuning http:
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11.5 Tuning configuration settings
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11.5.6 mod mmap static Map static f
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- JSP - etc, etc, etc • Each addr
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#!/usr/bin/perl use CGI; my $cgi =
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Section 13 SSI http://httpd.apache.
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SSIStartTag "" 13.4 SSI directives
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Most commonly, include is used to i
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SetHandler Much like the AddHandler
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advertising a page that has moved,
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AddHandler type-map .var 14.1.3 Cus
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AddOutputFilterByType DEFLATE text/
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15.4 Configuration 15.4.1 PerlRequi
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Wow. 15.6.2 Apache::Registry If you
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15.8.2 Installing the example mod p
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package Acme::Apache::Werewolf; use
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• "GET / HTTP/1.0" Request - Meth
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16.4 Exercises 1. Construct a log f
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• Precisely how many visitors •
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16.9.2 rotatelogs CustomLog "|/usr/
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• Set configuration to use this f
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• mod auth nds (Netware Directory
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110
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• etc • Also, names like ’ema
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114
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19.2 File permissions The overridin
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19.2.6 public html If users have we
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19.3.3 ServerSignature Automaticall
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* Don’t put important things in t
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19.10 mod security http://www.modse
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126
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20.3 Certificates • Generate a ke
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130
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21.1.2 Apache 2.0 modules: [access
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21.6 mod auth Name mod auth On by d
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21.13 mod cgi Name mod cgi On by de
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21.21 mod include Name mod include
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Mapping files into memory to improv
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21.35 mod status Name mod status On
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To enable DAV in a particular direc
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23.2 Proxying The proxy part lets y
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