{"id":99,"date":"2026-09-13T20:56:40","date_gmt":"2026-09-13T20:56:40","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=99"},"modified":"2026-09-13T20:56:40","modified_gmt":"2026-09-13T20:56:40","slug":"deploiement-et-migration-de-firewalls-de-nouvelle-generation-dans-les-reseaux-palo-alto","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/next-generation-firewall-deployment-and-migration-palo-alto-networks\/","title":{"rendered":"D\u00e9ploiement et migration de pare-feu de nouvelle g\u00e9n\u00e9ration \u2014 Palo Alto Networks"},"content":{"rendered":"<section class=\"wp-block-group nrn2-section nrn2-page-hero is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-breadcrumb wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/\">Accueil<\/a> <span aria-hidden=\"true\">\/<\/span> <a href=\"https:\/\/neranis.com\/fr\/expertise\/\">Expertise<\/a> \/ <a href=\"https:\/\/neranis.com\/fr\/expertise\/securite-des-reseaux\/\">S\u00e9curit\u00e9 des r\u00e9seaux<\/a><\/p>\n\n\n<div class=\"wp-block-group nrn2-service-top nrn2-hero-layout-r3 is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-hero-split-copy is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"nrn2-kicker wp-block-paragraph\">NET \/ NET-01<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">D\u00e9ploiement et migration de pare-feu de nouvelle g\u00e9n\u00e9ration \u2014 Palo Alto Networks<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">Installer ou remplacer un pare-feu qui contr\u00f4le le trafic r\u00e9seau et applique des politiques de s\u00e9curit\u00e9 adapt\u00e9es aux applications et aux utilisateurs. Le projet couvre l'architecture, la migration des r\u00e8gles et la pr\u00e9paration op\u00e9rationnelle.<\/p>\n\n<\/div>\n\n\n<figure class=\"wp-block-image size-full nrn2-context-image nrn2-visual-asset-service-family-net\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"500\" src=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-net.webp\" alt=\"\" class=\"wp-image-246\" srcset=\"https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-net.webp 1600w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-net-300x94.webp 300w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-net-1024x320.webp 1024w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-net-768x240.webp 768w, https:\/\/neranis.com\/wp-content\/uploads\/2026\/09\/service-family-net-1536x480.webp 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-service-top is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-service-intro is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">QUAND C'EST UTILE<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Une r\u00e9ponse cibl\u00e9e<br>\u00e0 un besoin d\u00e9fini.<\/h2>\n\n\n<p class=\"nrn2-body-lg wp-block-paragraph\">Le CIO ou le responsable r\u00e9seau est confront\u00e9 \u00e0 un \u00e9quipement vieillissant, \u00e0 des r\u00e8gles non lisibles, \u00e0 un changement de fournisseur d'acc\u00e8s, \u00e0 un nouveau site ou \u00e0 une visibilit\u00e9 insuffisante du trafic.<\/p>\n\n\n<div class=\"wp-block-buttons nrn2-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neranis.com\/fr\/contact\/\">Discutez de ce service<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-facts is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">EN UN COUP D'\u0152IL<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Famille<\/strong><br><a href=\"https:\/\/neranis.com\/fr\/expertise\/securite-des-reseaux\/\">S\u00e9curit\u00e9 des r\u00e9seaux<\/a><\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>Engagement<\/strong><br>Mise en \u0153uvre<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9f\u00e9rence<\/strong><br>NET-01<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section nrn2-canvas is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">PORT\u00c9E ET R\u00c9SULTATS<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Ce que couvre la mission.<\/h2>\n\n<\/div>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-delivery-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-delivery-card is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Port\u00e9e<\/h3>\n\n\n<ul class=\"wp-block-list nrn2-list\">\n<li>Dimensionnement avec les fonctionnalit\u00e9s activ\u00e9es<\/li>\n\n\n<li>ZONES et routage<\/li>\n\n\n<li>Nettoyage des r\u00e8gles<\/li>\n\n\n<li>profils de s\u00e9curit\u00e9<\/li>\n\n\n<li>acc\u00e8s administratif<\/li>\n\n\n<li>journalisation<\/li>\n\n\n<li>migration et rollback<\/li>\n\n\n<li>Haute disponibilit\u00e9 lorsque cette option est activ\u00e9e<\/li>\n\n<\/ul>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-delivery-card is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Livrables<\/h3>\n\n\n<ul class=\"wp-block-list nrn2-list\">\n<li>Document d'architecture<\/li>\n\n\n<li>matrice de trafic<\/li>\n\n\n<li>Ressources de configuration<\/li>\n\n\n<li>Plan de transition<\/li>\n\n\n<li>tests applicatifs<\/li>\n\n\n<li>guide d'utilisation<\/li>\n\n\n<li>inventaire des abonnements et d\u00e9pendances<\/li>\n\n<\/ul>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-delivery-card nrn2-evidence is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Preuve de r\u00e9ception<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Travaux de circulation autoris\u00e9s ; circulation interdite bloqu\u00e9e ; \u00e9v\u00e9nements collect\u00e9s ; restauration de la configuration test\u00e9e ; failover v\u00e9rifi\u00e9 lors de la conclusion d\u2019un contrat.<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">LIVRAISON<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Comment le travail est structur\u00e9.<\/h2>\n\n<\/div>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-two-col is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-prose is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Approche<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Cartographier le trafic ; concevoir et dimensionner ; piloter ; migrer progressivement avec possibilit\u00e9 de retour arri\u00e8re ; tester et documenter les op\u00e9rations.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9requis et responsabilit\u00e9s<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Client : r\u00e9seau, applications, op\u00e9rateurs, fen\u00eatres de changement et acceptation m\u00e9tier. Fournisseur : conception, migration et tests. L'acc\u00e8s des tiers et l'inspection TLS n\u00e9cessitent des approbations appropri\u00e9es.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-prose is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Facteurs de port\u00e9e<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Sites, d\u00e9bit r\u00e9el inspect\u00e9, trafic, r\u00e8gles, utilisateurs distants, disponibilit\u00e9 et int\u00e9grations. Le mat\u00e9riel, les abonnements de s\u00e9curit\u00e9 et les op\u00e9rations r\u00e9currentes sont distincts.<\/p>\n\n\n<h3 class=\"wp-block-heading\">Questions \u00e0 clarifier<\/h3>\n\n\n<p class=\"wp-block-paragraph\">Quelle capacit\u00e9 de traitement et quelles applications doivent \u00eatre conserv\u00e9es ? Quelles interruptions de service sont acceptables ? Quelles fonctionnalit\u00e9s et licences sont v\u00e9ritablement n\u00e9cessaires ?<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section nrn2-compact is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-boundaries is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">LIMITES IMPORTANTES<\/p>\n\n\n<p class=\"nrn2-body-lg wp-block-paragraph\">La capacit\u00e9 de transmission sans inspection n'est pas suffisante pour le dimensionnement. Le d\u00e9chiffrement TLS, la haute disponibilit\u00e9 et la protection avanc\u00e9e n\u00e9cessitent une \u00e9valuation technique, juridique et de licence distincte.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Les modifications pr\u00e9servent les services essentiels et les parcours de r\u00e9tablissement. Le dimensionnement, les licences et les tests de recette refl\u00e8tent les fonctionnalit\u00e9s qui seront r\u00e9ellement activ\u00e9es.<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">EN PRATIQUE<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Situations illustratives.<\/h2>\n\n<\/div>\n\n\n<p class=\"nrn2-section-lead wp-block-paragraph\">Ces exemples d\u00e9crivent des engagements possibles et des r\u00e9sultats cibles. Il ne s'agit pas de r\u00e9f\u00e9rences clients ni de r\u00e9sultats obtenus.<\/p>\n\n<\/div>\n\n\n<details class=\"wp-block-details nrn2-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Sc\u00e9nario 01<\/summary>\n<p class=\"wp-block-paragraph\">Une entreprise multi-sites remplace les pare-feux inadapt\u00e9s. Projet : cartographier le trafic des entreprises, supprimer les r\u00e8gles inutiles et migrer site par site. Objectif : une politique coh\u00e9rente et des op\u00e9rations document\u00e9es, sans que l\u2019exposition \u00e0 des anciennes vuln\u00e9rabilit\u00e9s ne se reproduise automatiquement.<\/p>\n\n<\/details>\n\n\n<details class=\"wp-block-details nrn2-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Sc\u00e9nario 02<\/summary>\n<p class=\"wp-block-paragraph\">Un fournisseur de services d\u2019h\u00e9bergement ouvre une nouvelle zone d\u2019application. Projet : concevoir des zones s\u00e9par\u00e9es, tester les services de protection et connecter les logs au SOC. Objectif \u00e0 atteindre : une exposition contr\u00f4l\u00e9e ; une faible capacit\u00e9 de pilotage d\u00e9clenche une restructuration avant la production.<\/p>\n\n<\/details>\n\n\n<details class=\"wp-block-details nrn2-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Contexte technologique et de r\u00e9f\u00e9rence<\/summary>\n<p class=\"wp-block-paragraph\">Exemples : mat\u00e9riels ou pare-feux virtuels de Palo Alto Networks et profils de s\u00e9curit\u00e9 compatibles ; veuillez confirmer les caract\u00e9ristiques exactes et les abonnements.<\/p>\n\n\n<p class=\"wp-block-paragraph\">L'ensemble final des technologies est convenu lors du cadrage, sur la base de l'interop\u00e9rabilit\u00e9, des licences, des droits d'acc\u00e8s et des exigences op\u00e9rationnelles.<\/p>\n\n<\/details>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-section-heading is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">SERVICES CONNECT\u00c9S<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Construisez l'\u00e9tape suivante.<\/h2>\n\n<\/div>\n\n\n<p class=\"nrn2-section-lead wp-block-paragraph\">Ces services peuvent compl\u00e9ter la mission. Ils ne sont pas inclus automatiquement.<\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-related-grid is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-service-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-ref wp-block-paragraph\">PEN-02<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/internal-and-assumed-breach-penetration-testing\/\">Tests d'intrusion internes et bas\u00e9s sur une compromission suppos\u00e9e<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Une \u00e9valuation de ce qu'un attaquant pourrait atteindre apr\u00e8s avoir obtenu un point d'ancrage interne initial, examinant les privil\u00e8ges excessifs et la faible s\u00e9paration.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/internal-and-assumed-breach-penetration-testing\/\">D\u00e9couvrir ce service <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-service-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-ref wp-block-paragraph\">NET-03<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/detection-et-prevention-des-intrusions-dans-les-reseaux-ids-ip\/\">D\u00e9tection et pr\u00e9vention des intrusions sur le r\u00e9seau \u2014 IDS\/IPS<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Un IDS observe et alerte en cas d'activit\u00e9 suspecte ; un IPS peut \u00e9galement bloquer le trafic lorsqu'il est d\u00e9ploy\u00e9 en position de filtrage. Le service d\u00e9ploie, ajuste et connecte ces contr\u00f4les \u00e0 un processus de traitement.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/detection-et-prevention-des-intrusions-dans-les-reseaux-ids-ip\/\">D\u00e9couvrir ce service <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p>\n\n<\/div>\n\n\n<div class=\"wp-block-group nrn2-service-card is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-ref wp-block-paragraph\">SOC-03<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/neranis.com\/fr\/services\/collecte-de-journaux-et-deploiement-du-siem\/\">Collecte des journaux et d\u00e9ploiement du SIEM<\/a><\/h3>\n\n\n<p class=\"nrn2-card-desc wp-block-paragraph\">Centraliser les \u00e9v\u00e9nements de s\u00e9curit\u00e9 utiles et les rendre exploitables pour la recherche, les alertes et les investigations. Le projet aborde la qualit\u00e9, les horodatages, la r\u00e9tention et le co\u00fbt tout autant que l'installation de la plateforme.<\/p>\n\n\n<p class=\"nrn2-text-link wp-block-paragraph\"><a href=\"https:\/\/neranis.com\/fr\/services\/collecte-de-journaux-et-deploiement-du-siem\/\">D\u00e9couvrir ce service <span aria-hidden=\"true\">\u2197<\/span><\/a><\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>\n\n\n<section class=\"wp-block-group nrn2-section is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-wrap is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group nrn2-cta is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-kicker wp-block-paragraph\">Commencer une conversation<\/p>\n\n\n<h2 class=\"wp-block-heading nrn2-h2\">Clarifiez la port\u00e9e.<\/h2>\n\n<\/div>\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"nrn2-body-lg wp-block-paragraph\">Nous clarifierons l'objectif, les d\u00e9pendances et les responsabilit\u00e9s de ce service avant de proposer la livraison.<\/p>\n\n\n<div class=\"wp-block-buttons nrn2-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neranis.com\/fr\/contact\/\">Discutez de vos priorit\u00e9s<\/a><\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Installer ou remplacer un pare-feu qui contr\u00f4le le trafic r\u00e9seau et applique des politiques de s\u00e9curit\u00e9 adapt\u00e9es aux applications et aux utilisateurs. Le projet couvre l'architecture, la migration des r\u00e8gles et la pr\u00e9paration op\u00e9rationnelle.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[10],"class_list":["post-99","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/99","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service"}],"about":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/types\/nrn_service"}],"version-history":[{"count":2,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/99\/revisions"}],"predecessor-version":[{"id":494,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/99\/revisions\/494"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=99"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=99"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}