Here are a selection of documents that I've written. None should be considered 'official' Computing Service documents. Beware that some are incomplete, and some may be out-of-date - take note of the last revision date at the bottom of (some) files.

 Name                       Description
 Parent Directory           
 CA_and_cert_notes          
 HEADER.html                Index of ~jw35/docs/
 ISOLatin1.html             ISO Latin-1 Character Set
 ISOLatin1.pdf              ISO Latin-1 Character Set in pdf format
 README.html                
 alt-tag-test.html          Alt tag test
 ansible/                   
 browser-config-tester.html The Cambridge Browser Config tester
 camcard-linux.html         Accessing the Cambridge University Smartcard from Linux
 cross-site-demo.html       Cross-site scripting/character encoding demo
 doing_ssl.html             Doing https: (http over SSL)
 fonts.alias                ... see ms-fonts.html
 gif_patent.html            The Unisys LZW Patent and GIF files
 globalsign.html            Globalsign Webserver Certificates
 google_search.html         Google search tips
 img/                       Assorted images used by the docs
 it-liaison-20030618.sxi    
 little-boxes1.html         Little Boxes 1
 little-boxes2.html         Little Boxes 2
 ms-fonts.html              Microsoft Fonts and RedHat Linux
 netmask-table.html         Jon's Netmask Table
 netmask-table.pdf          Jon's Netmask Table in pdf format
 one-click-validate.html    One Click HTML Validation
 perl-modules.html          Jon's farourate Perl modules
 perl_advent.html           The Perl Advent Calendar
 php-mail.html              Sending e-mail from PHP - in Cambridge
 pwd_example.html           Example of a Password Form
 requisition_form_3.0.pdf   
 requisition_form_3.0.ps    
 requisition_form_3.0.xls   
 rpm_config.html            RPM, %config, and (noreplace)
 ss-tuesday.png             
 ssl_slides.html            Slides from a talk on SSL
 temporary-nets-in-cam.html Temporary 'nets-in-cam' definition
 test-dos.txt               DOS format text file <cr><lf> line ends
 test-mac.txt               Mac format text file <cr> line ends
 test-unix.txt              Unix format text file <lf> line ends
 ucs-uis-mail-diff.pdf      
 zz.txt