{"id":212,"date":"2010-06-20T05:13:33","date_gmt":"2010-06-19T18:13:33","guid":{"rendered":"http:\/\/xhva.net\/log\/?p=212"},"modified":"2010-06-20T05:15:55","modified_gmt":"2010-06-19T18:15:55","slug":"filtering","status":"publish","type":"post","link":"https:\/\/xhva.net\/log\/2010\/06\/filtering\/","title":{"rendered":"Filtering"},"content":{"rendered":"<p>Are you a <a href=\"http:\/\/www.minister.dbcde.gov.au\/\">pub\u00adlic ser\u00advice fig\u00adure<\/a> advo\u00adcat\u00ading <a href=\"http:\/\/en.wikipedia.org\/wiki\/Stephen_Conroy\">Inter\u00adnet Fil\u00adter\u00ading<\/a>? Hold your hors\u00ades! Before you rush off on a nev\u00ader-end\u00ading quest to save the chil\u00addren from stuff they\u2019re not look\u00ading at we require <a href=\"http:\/\/en.wikipedia.org\/wiki\/Stephen_Conroy\">you<\/a> first study in the fol\u00adlow\u00ading fields:<\/p>\n<ul>\n<li>\n\t\tLanguage:\n<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Natural_language\">Nat\u00adur\u00adal evolution<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Constructed_language\">Con\u00adstruct\u00aded or planned<\/a> (<a href=\"http:\/\/en.wikipedia.org\/wiki\/Esperanto\">Esperan\u00adto<\/a>, <a href=\"http:\/\/www.kafejo.com\/rgaskell\/\">Glosa<\/a>)<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/International_auxiliary_language\">Proxy and auxiliary<\/a><\/li>\n<li>Alter\u00adnate forms, expres\u00adsions and encoding:&nbsp;<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/List_of_dialects_of_the_English_language\">Region\u00adal and spo\u00adken variants<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Accent_(linguistics)\">Accent\u00ading<\/a> and inher\u00adit\u00aded shaping<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Pidgin\">Pid\u00adgin<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/Creole_language\">vari\u00adants<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Flag_semaphore\">Sem\u00ada\u00adphore<\/a> and oth\u00ader phys\u00adi\u00adcal-form expression<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Smoke_signal\">Smoke sig\u00adnals<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Polyrhythm\">Polyrhyth\u00admics<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n\t\tEncryption\n<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/ROT13\">ROT-13<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/Substitution_cipher\">sub\u00adsti\u00adtu\u00adtion\u00adal<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/Caesar_cipher\">rota\u00adtion\u00adal<\/a> algorithms<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Public-key_cryptography\">Pub\u00adlic key encryption<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Codebook\">Code books<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/One-time_pad\">one-time cyphers<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Steganography\">Steganog\u00adra\u00adphy<\/a><\/li>\n<\/ul>\n<\/li>\n<li>\n\t\tFile formats\n<ul>\n<li>\n\t\t\t\tCom\u00admon (web)\n<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/HTML\">HTML<\/a> and variants<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Cascading_Style_Sheets\">CSS<\/a> and vari\u00adants (includ\u00ading <a href=\"http:\/\/en.wikipedia.org\/wiki\/Extensible_Stylesheet_Language\">XSL<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/XSL_Formatting_Objects\">XSL:FO<\/a>)<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/JPEG\">JPEG<\/a>, <a href=\"http:\/\/en.wikipedia.org\/wiki\/Portable_Network_Graphics\">PNG<\/a>, <a href=\"http:\/\/en.wikipedia.org\/wiki\/Graphics_Interchange_Format\">GIF<\/a> (+ com\u00adpres\u00adsion variants)<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/XML\">XML<\/a><\/li>\n<\/ul>\n<\/li>\n<li>\n\t\t\t\tCom\u00admon (non-web) (see also <a href=\"http:\/\/www.wotsit.org\/\">Wot\u00adsit<\/a>)\n<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Image_file_formats\">Image<\/a>: bmp, eps, exif, odg, pdf, ppm, pgm, pbm, pnm, psd, swf, tga, tiff, wmf &amp; emf,&nbsp;xps<\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Audio_file_format\">Sound<\/a>: wav, ogg, mpc, flac, aiff, au, gsm, dct, vox, aac, mp4\/m4a, mmf, mp3, wma, ra,&nbsp;m4p<\/li>\n<li><a href=\"http:\/\/www.wotsit.org\/list.asp?fc=10\">Doc\u00adu\u00adment<\/a>: txt, doc (all 13 ver\u00adsions), wps, rtf, pdf, xps, ppt, pub (arguably hun\u00addreds&nbsp;more)<\/li>\n<\/ul>\n<\/li>\n<li>\n\t\t\t\tCom\u00adpres\u00adsion and text encoding\n<ul>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Unicode\">Uni\u00adcode<\/a>: <a href=\"http:\/\/en.wikipedia.org\/wiki\/UTF-8\">UTF\u20118<\/a>, <a href=\"http:\/\/en.wikipedia.org\/wiki\/UTF-16\">UTF-16<\/a> and to a less\u00ader extent <a href=\"http:\/\/en.wikipedia.org\/wiki\/UTF-32\">UTF-32<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/Character_encoding\">Char\u00adac\u00adter encod\u00adings<\/a> and <a href=\"http:\/\/en.wikipedia.org\/wiki\/Character_encodings_in_HTML\">HTML vari\u00adants<\/a><\/li>\n<li><a href=\"http:\/\/en.wikipedia.org\/wiki\/ZIP_(file_format)\">ZIP<\/a> (+ vari\u00adants), <a href=\"http:\/\/en.wikipedia.org\/wiki\/RAR\">RAR<\/a>, <a href=\"http:\/\/en.wikipedia.org\/wiki\/7z\">7zip<\/a>, and <a href=\"http:\/\/en.wikipedia.org\/wiki\/List_of_archive_formats\">oth\u00aders<\/a> (+ encryption\/password sys\u00adtem for each format)<\/li>\n<li>Imagery and doc\u00adu\u00adment for\u00admats with cus\u00adtom compression\/encryption routines<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<p>Fail\u00ading that, maybe you should, you know, ask some peo\u00adple who <em>have<\/em> stud\u00adied in those fields for some input. They may give you a hint on whether your grand plan is achiev\u00adable. A tip for the wise: try gath\u00ader\u00ading this before spend\u00ading mil\u00adlions of dol\u00adlars on devel\u00adop\u00adment. Addi\u00adtion\u00adal tip: try lis\u00adten\u00ading to feedback.<\/p>\n<p>With pro\u00adfes\u00adsion\u00adal feed\u00adback in hand you may unintentionally\/unfortunately dis\u00adcov\u00ader that many tech\u00adni\u00adcal and\/or log\u00adi\u00adcal prob\u00adlems have sur\u00adfaced, includ\u00ading the issue that the pro\u00adto\u00adcol you\u2019re fil\u00adter\u00ading (the web) does\u00adn\u2019t actu\u00adal\u00adly con\u00adtain much of what it is you\u2019re intend\u00ading to fil\u00adter out (child pornog\u00adra\u00adphy). While this may present a chal\u00adlenge tech\u00adni\u00adcal\u00adly, it won\u2019t real\u00adly make a dif\u00adfer\u00adence! The chil\u00addren will still be saved from some\u00adthing, so don\u2019t let it affect your qual\u00adi\u00adty mar\u00adket\u00ading message.<\/p>\n<p>Now that you\u2019ve got an idea of the almost-per\u00adpen\u00addic\u00adu\u00adlar uphill tech\u00adni\u00adcal bat\u00adtle you face you may like to soft\u00adly lay your pre\u00advi\u00adous plans down and back away slow\u00adly. If you fail to make the clever choice that would result in not imple\u00adment\u00ading a sys\u00adtem with a one-thou\u00adsandth per\u00adcent suc\u00adcess rate at actu\u00adal\u00adly pro\u00adtect\u00ading a child from some\u00adthing they\u2019re not doing, at least you\u2019ll know what you\u2019re talk\u00ading about instead of blow\u00ading large gaseous clouds of moral fibre where pre\u00adcise tech\u00adni\u00adcal dis\u00adcus\u00adsion is required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are you a pub\u00adlic ser\u00advice fig\u00adure advo\u00adcat\u00ading Inter\u00adnet Fil\u00adter\u00ading? Hold your hors\u00ades! Before you rush off on a nev\u00ader-end\u00ading quest to save the chil\u00addren from stuff they\u2019re not look\u00ading at we require you first study in the fol\u00adlow\u00ading fields: Lan\u00adguage: Nat\u00adur\u00adal evo\u00adlu\u00adtion Con\u00adstruct\u00aded or planned (Esperan\u00adto, Glosa) Proxy and aux\u00adil\u00adiary Alter\u00adnate forms, expres\u00adsions and encoding:&nbsp;[\u2026]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wp_typography_post_enhancements_disabled":false,"ngg_post_thumbnail":0},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/posts\/212"}],"collection":[{"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/comments?post=212"}],"version-history":[{"count":5,"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/posts\/212\/revisions"}],"predecessor-version":[{"id":217,"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/posts\/212\/revisions\/217"}],"wp:attachment":[{"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/media?parent=212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/categories?post=212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xhva.net\/log\/wp-json\/wp\/v2\/tags?post=212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}