{"id":273,"date":"2025-03-06T16:15:27","date_gmt":"2025-03-06T15:15:27","guid":{"rendered":"http:\/\/45.147.97.221\/wordpress\/?p=273"},"modified":"2025-03-21T09:00:08","modified_gmt":"2025-03-21T08:00:08","slug":"mission-3-mise-en-place-dun-firewall","status":"publish","type":"post","link":"https:\/\/mathysviewer.fr\/index.php\/2025\/03\/06\/mission-3-mise-en-place-dun-firewall\/","title":{"rendered":"Mission 3 – Mise en place d’un firewall"},"content":{"rendered":"
cybers\u00e9curit\u00e9<\/a>, <\/span>Mettre \u00e0 disposition des utilisateurs un service informatique<\/a>, <\/span>stage2<\/a><\/div>\n\n\n

Pour des raisons de confidentialit\u00e9, je n’ai pas pu r\u00e9cup\u00e9rais que capture d’\u00e9cran des requ\u00eate et non du SIEM du service au quelle j’ai \u00e9tait int\u00e9gr\u00e9<\/em>.<\/p><\/blockquote><\/figure>\n\n\n\n

\"\"<\/figure>
\n

Firewall (Pare-Feux): <\/strong>C’est une composante majeur, des syst\u00e8mes d’informations, ainsi que de la cybers\u00e9curit\u00e9. Pour faires simples c’est la composantes qui se trouvera entre le Local Area Network (Local) et le Wireless Area Network (internet). Il aura un r\u00f4le de filtrage des communication int\u00e9rieur\/ext\u00e9rieur ou int\u00e9rieur\/int\u00e9rieur. <\/p>\n<\/div><\/div>\n\n\n\n

\n

Au sein du firewall<\/strong>, ont viendra mettre par exemple des Network Policy, soit des r\u00e8gles qui d\u00e9finissent si une connexion est autoris\u00e9 ou non. Ainsi que du NAT, Network Address Translation, qui pour faire simple permet \u00e0 diff\u00e9rent machine avec des IP de communiquer avec d’autre sans \u00eatre forc\u00e9ment dans le m\u00eame r\u00e9seau.<\/p>\n<\/div>

\"\"<\/figure><\/div>\n\n\n\n
\"\"<\/figure>
\n

L’architecture primaire\/secondaire<\/strong>, est dans un grand panel de cas, celle qui est pr\u00e9sente. Car elle repr\u00e9sente deux principaux int\u00e9r\u00eat:<\/p>\n\n\n\n

<\/p>\n<\/div><\/div>\n\n\n\n

Redondance<\/strong><\/td>Am\u00e9lioration des Capacit\u00e9<\/strong><\/td><\/tr>
C\u2019est-\u00e0-dire, que si le master par exemple subit une d\u00e9faillance qui le mets dans un \u00e9tat d’incapacit\u00e9. Le\/Les slave(s) pourrons ainsi prendre le relais naturellement. Cela \u00e9vitera de se faites, une coupure du r\u00e9seau.<\/td>\u00c0 l’image des firewalls, certains constructeurs permettent de r\u00e9partir le flux r\u00e9seau non plus uniquement sur le ma\u00eetre (master), mais aussi sur l’esclave (slave). Au lieu d’avoir un esclave passif, les deux unit\u00e9s deviennent actives et travaillent conjointement pour accro\u00eetre la capacit\u00e9 de traitement.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n

La fibre optique<\/strong> est le successeur du fils de cuivre, avec des performance am\u00e9liorer sur des distance tout simplement colossale (jusqu’\u00e0 la travers\u00e9 de oc\u00e9an pacifique). L’information vas de bout en bout du c\u00e2ble, gr\u00e2ce des signaux lumineux qui effectuent de la r\u00e9fraction de la lumi\u00e8re. <\/p>\n<\/div>

\"\"<\/figure><\/div>\n\n\n\n
\"\"<\/figure>
\n

Il en existe plusieurs type<\/strong>, le multimode, c’est-\u00e0-dire, que plusieurs faisceau lumineux passent jusqu’\u00e0 500\/600 m\u00e8tres. Et le monomode c’est un seule signal, avec une distance maximal de 40 kilom\u00e8tres. Il faut aussi rajouter \u00e0 cela les SFP (Small form-factor pluggable), qui est un module \u00e9metteur r\u00e9cepteur \u00e0 mettre sur la machine, il y en a diff\u00e9rent type:<\/p>\n<\/div><\/div>\n\n\n\n

\n

Tout cela pour donner cela:<\/strong><\/p>\n<\/div>

\"\"<\/figure><\/div>\n\n\n\n
<\/div><\/div>\n\n\n\n\t\t\t
\n\n\t\t\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\"Close-up\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tMission 9 – Versioning<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t

Versionning avec Mercurial, est un syst\u00e8me de sauvegarde visant \u00e0 d\u00e9velopper de site, logicielle etc…..\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tLire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\"Overhead\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tMission 8 – Travail en mode projet<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t

Gantt, est un diagramme de gestion de projet, cr\u00e9e part Herny Laurence Gantt, en 1910….\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tLire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tMission 7: A\u00e9roclub<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t

A\u00e9roclub, c’est notre second projet r\u00e9aliser durent le cursus visant \u00e0 nous faires travailler comme…\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tLire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tMission 6 : Idologis<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t

Idologis, \u00e9tait notre premier de travail en groupe de classe, qui consister \u00e0 la r\u00e9alisions,…\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tLire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\"Red\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tMission 5: IA4Help<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\t

Python, c’est un langage de d\u00e9veloppement tr\u00e8s populaire, cr\u00e9e en 1991 par Guidp van Rossum….\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tLire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t
\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\"A\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t

\n\t\t\t\tMission 4 : Bastion RubyCat<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\t
\n\t\t\t\t\tBastion, c’est un serveur qui vient s’intercaler entre le r\u00e9seau publique et priv\u00e9e pour permettre…\t\t\t\t<\/div>\n\t\t\t\t\t\t
\n\t\t\t\tLire la suite<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\n\n\n
\n
<\/div>\n\n\n\n
\n
<\/div>\n<\/div>\n\n\n\n
<\/div>

mathys<\/p>

IT Student in Dunkirk<\/p><\/div><\/div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Pour des raisons de confidentialit\u00e9, je n’ai pas pu r\u00e9cup\u00e9rais que capture d’\u00e9cran des requ\u00eate et non du SIEM du service au quelle j’ai \u00e9tait int\u00e9gr\u00e9. Firewall (Pare-Feux): C’est une composante majeur, des syst\u00e8mes d’informations, ainsi que de la cybers\u00e9curit\u00e9. Pour faires simples c’est la composantes qui se trouvera entre le Local Area Network (Local) […]<\/p>\n","protected":false},"author":1,"featured_media":277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[12],"tags":[10,23,13],"class_list":["post-273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stage2","tag-cybersecurite","tag-mettre-a-disposition-des-utilisateurs-un-service-informatique","tag-stage2"],"yoast_head":"\nMission 3 - Mise en place d'un firewall - Mathys Martignoni - Portfolio<\/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:\/\/mathysviewer.fr\/index.php\/2025\/03\/06\/mission-3-mise-en-place-dun-firewall\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mission 3 - Mise en place d'un firewall - Mathys Martignoni - Portfolio\" \/>\n<meta property=\"og:description\" content=\"Pour des raisons de confidentialit\u00e9, je n’ai pas pu r\u00e9cup\u00e9rais que capture d’\u00e9cran des requ\u00eate et non du SIEM du service au quelle j’ai \u00e9tait int\u00e9gr\u00e9. 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