{"id":3265,"date":"2014-07-10T22:10:32","date_gmt":"2014-07-10T20:10:32","guid":{"rendered":"http:\/\/www.collet-matrat.com\/?p=3265"},"modified":"2014-07-10T22:10:32","modified_gmt":"2014-07-10T20:10:32","slug":"securisez-facilement-votre-navigation-avec-putty-et-un-simple-serveur-ssh","status":"publish","type":"post","link":"https:\/\/www.collet-matrat.com\/?p=3265","title":{"rendered":"S\u00e9curisez facilement votre navigation avec Putty et un simple serveur SSH"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/wifi_zone1.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3274\" src=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/wifi_zone1.jpg?resize=584%2C396&#038;ssl=1\" alt=\"wifi_zone\" width=\"584\" height=\"396\" srcset=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/wifi_zone1.jpg?w=660&amp;ssl=1 660w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/wifi_zone1.jpg?resize=300%2C203&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/wifi_zone1.jpg?resize=442%2C300&amp;ssl=1 442w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Les vacances arrivent et les connexions \u00e0 partir de hot spot publics vont devenir de plus en plus\u00a0 fr\u00e9quentes. Si vous \u00eates sensibles aux probl\u00e8mes de s\u00e9curit\u00e9 vous redoutez certainement ce mode de connexion. Bien s\u00fbr vous pouvez utiliser un VPN (en optant pour\u00a0 une solution commerciale ou bien en <a href=\"http:\/\/www.collet-matrat.com\/?p=2957\" target=\"_blank\">installant votre propre syst\u00e8me<\/a>).<\/p>\n<p style=\"text-align: justify;\">Mais si vous n'avez pas envie de vous prendre la t\u00eate il existe une m\u00e9thode beaucoup plus simple bas\u00e9e sur l'utilisation de <a href=\"http:\/\/www.chiark.greenend.org.uk\/~sgtatham\/putty\/download.html\" target=\"_blank\">Putty <\/a>(ou <a href=\"http:\/\/www.9bis.net\/kitty\/\" target=\"_blank\">Kitty<\/a>) et d'un simple serveur SSH (aucune configuration sp\u00e9cifique n'est n\u00e9cessaire sur ce serveur).<\/p>\n<p style=\"text-align: justify;\"><strong>Attention<\/strong> : cette technique ne remplace pas totalement un \"vrai\" VPN car seule la navigation sur le web (\u00e0 partir de votre navigateur) sera s\u00e9curis\u00e9e. Mais c'est peut \u00eatre suffisant !<\/p>\n<p>Voici comment proc\u00e9der :<\/p>\n<ul>\n<li style=\"text-align: justify;\">vous devez disposer d'un serveur SSH. Ce dernier peut \u00eatre h\u00e9berg\u00e9 sur un serveur d\u00e9di\u00e9 mais aussi sur tous types d'offres de VPS (<a href=\"http:\/\/www.ovh.com\/fr\/vps\/\" target=\"_blank\">OVH Classic\/Cloud<\/a>, <a href=\"https:\/\/www.digitalocean.com\" target=\"_blank\">DigitalOcean<\/a>, <a href=\"https:\/\/www.linode.com\/\" target=\"_blank\">Linode<\/a>, <a href=\"http:\/\/aws.amazon.com\/\" target=\"_blank\">Amazon AWS<\/a> ...). Encore une fois aucun param\u00e9trage sp\u00e9cifique n'est n\u00e9cessaire pour ce serveur. Au passage vous pouvez choisir d'opter pour un serveur h\u00e9berg\u00e9 \u00e0 l\u2019\u00e9tranger pour utiliser cette m\u00e9thode afin de contourner les limitations g\u00e9ographiques impos\u00e9es par certains services (regarder des vid\u00e9os r\u00e9serv\u00e9es exclusivement aux internautes US par exemple ...).<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify;\">Vous devez param\u00e9trer Putty de la mani\u00e8re suivante<\/li>\n<\/ul>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3267 aligncenter\" src=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy1.jpg?resize=442%2C405&#038;ssl=1\" alt=\"putty_proxy1\" width=\"442\" height=\"405\" srcset=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy1.jpg?w=442&amp;ssl=1 442w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy1.jpg?resize=300%2C274&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy1.jpg?resize=327%2C300&amp;ssl=1 327w\" sizes=\"auto, (max-width: 442px) 100vw, 442px\" \/><\/p>\n<ul>\n<li style=\"text-align: justify;\">il faut ensuite param\u00e9trer l'utilisation d'un proxy sur votre navigateur de la mani\u00e8re suivante (l'exemple est donn\u00e9 pour Firefox mais vous devriez pourvoir facilement trouver l'\u00e9quivalent pour votre navigateur favori). En effet une fois lanc\u00e9\/connect\u00e9 Putty se comporte comme un serveur proxy Socks r\u00e9pondant sur le port 12345 (vous pouvez bien entendu modifier ce num\u00e9ro de port...)<\/li>\n<\/ul>\n<p><a href=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy3.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3269 aligncenter\" src=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy2.jpg?resize=584%2C553&#038;ssl=1\" alt=\"putty_proxy2\" width=\"584\" height=\"553\" srcset=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy2.jpg?w=604&amp;ssl=1 604w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy2.jpg?resize=300%2C284&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy2.jpg?resize=316%2C300&amp;ssl=1 316w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3270 aligncenter\" src=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy3.jpg?resize=568%2C559&#038;ssl=1\" alt=\"putty_proxy3\" width=\"568\" height=\"559\" srcset=\"https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy3.jpg?w=568&amp;ssl=1 568w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy3.jpg?resize=300%2C295&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.collet-matrat.com\/wp-content\/uploads\/2014\/07\/putty_proxy3.jpg?resize=304%2C300&amp;ssl=1 304w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/a><\/p>\n<ul>\n<li style=\"text-align: justify;\">Il ne vous reste plus qu'\u00e0 lancer la connexion sur votre serveur SSH avec Putty (en utilisant la configuration illustr\u00e9e ci-dessus) et de naviguer \u00e0 l'aide de votre navigateur. C'est tout ! Vous pouvez v\u00e9rifier que votre IP de connexion ( http:\/\/ippub.org ) correspond bien \u00e0 celle de votre serveur. L'int\u00e9gralit\u00e9 du trafic g\u00e9n\u00e9r\u00e9 par votre navigation sur le net est d\u00e9sormais chiffr\u00e9e au travers de la connexion SSH. Attention toutefois, seul le trafic g\u00e9n\u00e9r\u00e9 par votre navigateur va b\u00e9n\u00e9ficier de ce chiffrement.<\/li>\n<\/ul>\n<p>Cr\u00e9dit photo : <a href=\"https:\/\/www.flickr.com\/photos\/qiaomeng\/\" target=\"_blank\">Simon A<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les vacances arrivent et les connexions \u00e0 partir de hot spot publics vont devenir de plus en plus\u00a0 fr\u00e9quentes. Si vous \u00eates sensibles aux probl\u00e8mes de s\u00e9curit\u00e9 vous redoutez certainement ce mode de connexion. Bien s\u00fbr vous pouvez utiliser un &hellip; <a href=\"https:\/\/www.collet-matrat.com\/?p=3265\">Lire la suite <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Sur le blog : \"S\u00e9curisez facilement votre navigation avec Putty et un simple serveur SSH\"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[91,80,86,11,10],"tags":[],"class_list":["post-3265","post","type-post","status-publish","format-standard","hentry","category-howto","category-navigateurs","category-securite","category-utile","category-wifi"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=\/wp\/v2\/posts\/3265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3265"}],"version-history":[{"count":8,"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=\/wp\/v2\/posts\/3265\/revisions"}],"predecessor-version":[{"id":3278,"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=\/wp\/v2\/posts\/3265\/revisions\/3278"}],"wp:attachment":[{"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.collet-matrat.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}