{"id":104,"date":"2026-09-13T20:56:41","date_gmt":"2026-09-13T20:56:41","guid":{"rendered":"https:\/\/neranis.com\/?post_type=nrn_service&#038;p=104"},"modified":"2026-09-13T20:56:41","modified_gmt":"2026-09-13T20:56:41","slug":"protection-des-applications-publiee-par-waf-et-api-gateway","status":"publish","type":"nrn_service","link":"https:\/\/neranis.com\/fr\/services\/published-application-protection-waf-and-api-gateway\/","title":{"rendered":"Protection des applications publi\u00e9es \u2014 WAF et passerelle d'API"},"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-06<\/p>\n\n\n<h1 class=\"wp-block-heading nrn2-title\">Protection des applications publi\u00e9es \u2014 WAF et passerelle d'API<\/h1>\n\n\n<p class=\"nrn2-lead wp-block-paragraph\">Ajoutez des contr\u00f4les en amont des applications et des API expos\u00e9es : filtrage des requ\u00eates, restrictions d'acc\u00e8s et limites d'utilisation. Cela compl\u00e8te le code s\u00e9curis\u00e9 sans corriger automatiquement les failles de logique m\u00e9tier.<\/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\">Une application web expos\u00e9e, le lancement d\u2019un portail client, une API destin\u00e9e aux partenaires ou la n\u00e9cessit\u00e9 de contr\u00f4les provisoires avant que la vuln\u00e9rabilit\u00e9 ne soit corrig\u00e9e.<\/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-06<\/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>Mappage des points d\u2019extr\u00e9mit\u00e9<\/li>\n\n\n<li>Terminologie TLS<\/li>\n\n\n<li>R\u00e8gles WAF<\/li>\n\n\n<li>Authentification par API et quotas en fonction de l'architecture<\/li>\n\n\n<li>journalisation<\/li>\n\n\n<li>mode d'observation<\/li>\n\n\n<li>exceptions<\/li>\n\n\n<li>Test de fonctionnalit\u00e9 et de s\u00e9curit\u00e9<\/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>Publier de l\u2019architecture<\/li>\n\n\n<li>politiques de protection<\/li>\n\n\n<li>Processus de d\u00e9livrance de certificats<\/li>\n\n\n<li>R\u00e8gles document\u00e9es<\/li>\n\n\n<li>sc\u00e9narios d'essai<\/li>\n\n\n<li>tableau de bord faux positif<\/li>\n\n\n<li>guide d'utilisation<\/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\">Les flux de travail m\u00e9tier et de collaboration fonctionnent ; les demandes de tests convenues sont bloqu\u00e9es ou signal\u00e9es ; les exceptions sont enregistr\u00e9es ; les journaux permettent d\u2019analyser les \u00e9v\u00e9nements.<\/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\">Quelles applications sont essentielles ? Qui poss\u00e8de le code et les API ? Quels flux de trafic l\u00e9gitimes pourrait-il bloquer une r\u00e8gle trop g\u00e9n\u00e9rale ?<\/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\">Un WAF n\u2019apporte ni la protection contre les p\u00e9n\u00e9tration ni la correction des vuln\u00e9rabilit\u00e9s. La protection DDoS volum\u00e9trique est un service distinct, dont le prix d\u00e9pend du fournisseur concern\u00e9.<\/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\">Un d\u00e9taillant en ligne lance un nouveau service. Probl\u00e8me : d\u00e9ployer un WAF en mode d\u2019observation, ajuster les r\u00e8gles et activer la protection. Objectif : filtrage compatible avec les commandes et les paiements sans pr\u00e9tendre \u00e0 l\u2019inn\u00e9f\u00e9riabilit\u00e9.<\/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\">Une API partenaire pr\u00e9sente une consommation excessive. Probl\u00e8me : authentification par client, quotas et alertes. Objectif \u00e0 atteindre : une utilisation imputable et contr\u00f4l\u00e9e ; une faille d\u2019autorisation des donn\u00e9es reste attribu\u00e9e aux d\u00e9veloppeurs pour une correction.<\/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 : WAFs ou passerelles applicatives pour les clouds et les API ; choisissez en fonction des protocoles, de l\u2019h\u00e9bergement, des capacit\u00e9s de stockage et de log.<\/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>Ajoutez des contr\u00f4les en amont des applications et des API expos\u00e9es : filtrage des requ\u00eates, restrictions d'acc\u00e8s et limites d'utilisation. Cela compl\u00e8te le code s\u00e9curis\u00e9 sans corriger automatiquement les failles de logique m\u00e9tier.<\/p>","protected":false},"featured_media":0,"template":"single-nrn_service","meta":{"footnotes":""},"nrn_family":[10],"class_list":["post-104","nrn_service","type-nrn_service","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/104","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\/104\/revisions"}],"predecessor-version":[{"id":499,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_service\/104\/revisions\/499"}],"wp:attachment":[{"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/media?parent=104"}],"wp:term":[{"taxonomy":"nrn_family","embeddable":true,"href":"https:\/\/neranis.com\/fr\/wp-json\/wp\/v2\/nrn_family?post=104"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}