{"id":128,"date":"2008-06-10T10:46:46","date_gmt":"2008-06-10T08:46:46","guid":{"rendered":"http:\/\/michauko.org\/blog\/?p=128"},"modified":"2009-10-21T15:53:03","modified_gmt":"2009-10-21T13:53:03","slug":"proxy-pac-locaux-et-ie","status":"publish","type":"post","link":"https:\/\/michauko.org\/blog\/proxy-pac-locaux-et-ie-128\/","title":{"rendered":"Proxy PAC locaux (et IE)"},"content":{"rendered":"

Les fichiers PAC (Proxy Auto Configuration) sont des mini-javascript limit\u00e9s (en terme de fonctions) utilis\u00e9s pour indiquer \u00e0 un navigateur quel est le proxy de la soci\u00e9t\u00e9 pour sortir sur le web.
\nPar extension, on peut l’utiliser pour faire une sorte de load-balancing, de r\u00e9partition suivant l’IP, court-circuiter le proxy pour tel ou tel site etc. Bref, peu de fonctions, mais pas mal d’utilisation d\u00e9tourn\u00e9es. Google vous expliquera \u00e7a mieux que moi.
\nCe format de fichier vient de chez Netscape, il y a une 12aine d’ann\u00e9es, on n’a pas encore fait mieux. Sa syntaxe compl\u00e8te est d\u00e9crite ici<\/a>.<\/p>\n

Il y a un truc bien merdique (sous IE :O) avec les fichiers PAC. Je vous en fais part car pour le coup, j’ai trouv\u00e9 beaucoup de monde sur google se posant une question et personne n’y r\u00e9pondant correctement.<\/p>\n

Une fois votre \u00ab\u00a0proxy.pac\u00a0\u00bb cr\u00e9\u00e9, il s’agit de le mettre \u00e0 dispo des utilisateurs. Deux solutions :
\n– le publier sur un serveur web (interne)
\n– le copier d’une mani\u00e8re ou d’une autre sur le PC des utilisateurs, localement<\/p>\n

La premi\u00e8re m\u00e9thode est bien pour une utilisation interne (serveur web interne toujours accessible), mais pour les personnes mobiles, c’est naze : quel que soit le serveur web utilis\u00e9, il faudra pouvoir l’atteindre, ce qui n’est pas n\u00e9cessairement possible depuis un site quelconque de connexion \u00e0 Internet.<\/p>\n

La deuxi\u00e8me m\u00e9thode est bonne pour tout le monde, du moment que vous avez moyen d’injecter le fichier sur le PC des utilisateurs.
\nEnsuite, dans ce cas, vous indiquez dans votre navigateur un chemin du genre c:\\mon repertoire\\monproxy.pac<\/code>
\nEt c’est l\u00e0 le d\u00e9but des ennuis.
\n– Firefox va convertir l’adresse en file:\/\/\/c:\/mon%20repertoire\/monproxy.pac<\/code>
\n– IE ne convertit rien et ne trouve pas le fichier. Bref, \u00e7a-marche-pas (c) MS<\/p>\n

Comment faire ? j’ai vu plein de fois la question sur le web, jamais la r\u00e9ponse.
\nPour que \u00e7a marche sous IE, il faudra donc :
\n– commencer par file:\/\/c:\/<\/code>
\n– ne pas mettre d’espace ni de %20. Comment faire ? nommer les r\u00e9pertoires \u00e0 l’ancienne, fa\u00e7on Windows 95. C’est pas beau \u00e7a ? c’est pas un navigateur g\u00e9nial IE ? Exemple : file:\/\/c:\/docume~1\/mon_id\/mon_proxy.pac<\/code><\/p>\n

Et voil\u00e0. La clef, c’est le \u00ab\u00a0~1\u00a0\u00bb des familles.<\/p>\n

J’entends dans le fond de la salle une question : \u00ab\u00a0pourquoi ne pas mettre le fichier sur C:\\ ou C:\\Windows directement ?\u00a0\u00bb. Parce-que j’ai des utilisateurs non admin de leur poste et le script de logon au domaine n’a pas les droits d’\u00e9crire l\u00e0-dedans. Par contre dans %USERPROFILE% (ie, C:\\Documents and settings\/mon_id\/) c’est bon.<\/p>\n

Simple, mais de quoi perdre des heures.
\nMerci Microsoft.<\/p>\n","protected":false},"excerpt":{"rendered":"

Les fichiers PAC (Proxy Auto Configuration) sont des mini-javascript limit\u00e9s (en terme de fonctions) utilis\u00e9s pour indiquer \u00e0 un navigateur quel est le proxy de la soci\u00e9t\u00e9 pour sortir sur le web. Par extension, on …<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[9,389,4],"tags":[209,211,210,208,27],"class_list":["post-128","post","type-post","status-publish","format-standard","hentry","category-bugs","category-reseau-secu","category-windows","tag-auto","tag-documents-and-settings","tag-ie","tag-pac","tag-proxy"],"yoast_head":"\nProxy PAC locaux (et IE) - Le blog de Michauko<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/michauko.org\/blog\/proxy-pac-locaux-et-ie-128\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Proxy PAC locaux (et IE) - Le blog de Michauko\" \/>\n<meta property=\"og:description\" content=\"Les fichiers PAC (Proxy Auto Configuration) sont des mini-javascript limit\u00e9s (en terme de fonctions) utilis\u00e9s pour indiquer \u00e0 un navigateur quel est le proxy de la soci\u00e9t\u00e9 pour sortir sur le web. 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