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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Default file (MiMe types) for Apache httpd and Apache Tomcat

Apache Tomcat web server default MIME type

What file extension maps to what "Mime Type" in Apache Tomcat? It's important to know, since the Mime type is sent out by the server to the browser to tell the browser how to handle the following data stream.

a) There is a long list of extensions and their mappings in the conf/web.xml file - for example it contains
<mime-mapping>
<extension>html</extension>
<mime-type>text/html</mime-type>
</mime-mapping>


b) Within the source code of Servlets, an appropriate method call is used to set the type, for example
outgoing.setContentType("text/html");

c) If you have enabled CGI, you'll generate a Mime header in your script

d) And if none of these apply ... the default Apache Tomcat Mime Type is text/plain. Here's an example using a .duck extension ...



Apache httpd web server default MIME type

a) Most extensions are mapped according to instructions in the TypesConfig directive in httpd.conf, which may read something like:
TypesConfig conf/mime.types

b) Perl scripts (CGI) can generate a mime header, and if you're using PHP you can use the header section to change the type.

c) If the mime_magic module is loaded, the contents of the file itdelf will be examined for clues as to the return type. The configuration directive is

<IfModule mod_mime_magic.c>
MIMEMagicFile conf/magic
<IfModule>


d) If the httpd server still hasn't been able to work out the type it will use the value specified in the DefaultType setting in httpd.conf:
DefaultType text/plain
(written 2008-03-04, updated 2008-03-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
A653 - Web Application Deployment - Tomcat - Configuring Web Applications
  [465] Changing Tomcat's web.xml and reloading a web application - (2005-10-15)
  [479] New servlet from old - (2005-10-28)
  [754] tar, jar, war, ear, sar files - (2006-06-10)
  [1006] Apache httpd and Apache Tomcat together tips - (2006-12-24)
  [1074] Java beans and classes, .war and .jar files - (2007-02-10)
  [1082] Straight from the .jar - (2007-02-16)
  [1192] What are WEB-INF and META-INF directories? - (2007-05-18)
  [1552] Extra public classes in deploying Apache httpd and Tomcat - (2008-02-24)
  [1909] javax.servlet cannot be resolved - how to solve - (2008-11-26)
  [2088] Changing the 404 - file not found - page in Tomcat - (2009-03-18)
  [3044] Changing a Servlet - more that just editing and compiling - (2010-11-12)
  [3996] Tips on Tomcat - moving applications around - (2013-02-05)

A603 - Web Application Deployment - Further httpd Configuration
  [345] Spotting a denial of service attack - (2005-06-12)
  [466] Separating 'per instance' data from binaries and web sites - (2005-10-16)
  [526] Apache httpd - serving web documents from different directories - (2005-12-12)
  [550] 2006 - Making business a pleasure - (2006-01-01)
  [631] Apache httpd to Tomcat - jk v proxy - (2006-03-03)
  [649] Denial of Service ''attack'' - (2006-03-17)
  [662] An unhelpful error message from Apache httpd - (2006-03-30)
  [755] Using different URLs to navigate around a single script - (2006-06-11)
  [853] To list a directory under httpd on a web server, or not? - (2006-09-02)
  [934] Clustering, load balancing, mod_rewrite and mod_proxy - (2006-11-21)
  [1009] Passing GET parameters through Apache mod_rewrite - (2006-12-27)
  [1080] httpd.conf or .htaccess? - (2007-02-14)
  [1121] Sharing the load with Apache httpd and perhaps Tomcat - (2007-03-29)
  [1207] Simple but effective use of mod_rewrite (Apache httpd) - (2007-05-27)
  [1351] Compressing web pages sent out from server. Is it worth it? - (2007-09-14)
  [1355] .php or .html extension? Morally Static Pages - (2007-09-17)
  [1377] Load Balancing with Apache mod_jk (httpd/Tomcat) - (2007-10-02)
  [1381] Using a MySQL database to control mod_rewrite via PHP - (2007-10-06)
  [1551] Which modules are loaded in my Apache httpd - (2008-02-23)
  [1554] Online hotel reservations - Melksham, Wiltshire (near Bath) - (2008-02-24)
  [1566] Strange behaviour of web directory requests without a trailing slash - (2008-03-06)
  [1619] User and Group settings for Apache httpd web server - (2008-04-22)
  [1636] What to do if the Home Page is missing - (2008-05-08)
  [1707] Configuring Apache httpd - (2008-07-12)
  [1762] WEB-INF (Tomcat) and .htaccess (httpd) - (2008-08-20)
  [1767] mod_proxy and mod_proxy_ajp - httpd - (2008-08-22)
  [1778] Pointing all the web pages in a directory at a database - (2008-08-30)
  [1939] mod_proxy_ajp and mod_proxy_balancer examples - (2008-12-13)
  [1954] mod_rewrite for newcomers - (2008-12-20)
  [1955] How to avoid duplicating web page maintainance - (2008-12-20)
  [1974] Moving a directory on your web site - (2009-01-03)
  [2060] Database connection Pooling, SSL, and command line deployment - httpd and Tomcat - (2009-03-01)
  [2272] Monitoring and loading tools for testing Apache Tomcat - (2009-07-07)
  [2478] How did I do THAT? - (2009-10-26)
  [2900] Redirecting a page - silent, temporary or permanent? - (2010-08-03)
  [3133] An image from a website that occasionally comes out as hyroglyphics - (2011-01-14)
  [3449] Apache Internal Dummy Connection - what is it and what should I do with it? - (2011-09-19)
  [3635] Parse error: parse error, unexpected T_STRING on brand new web site - why? - (2012-03-03)
  [3862] Forwarding a whole domain, except for a few directories - Apache http server - (2012-09-17)
  [3955] Building up from a small PHP setup to an enterprise one - (2012-12-16)
  [4001] Helping search engines with appropriate 400 error codes - (2013-02-11)
  [4307] Identifying and clearing denial of service attacks on your Apache server - (2014-09-27)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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