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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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30 free minutes with a training advisor — no commitment.
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Cybersecurity training in Oklahoma City in December 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Professional Training training in New York in September 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in Cardiff in May 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in San Francisco in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Don't let this gap widen
Sans maîtrise d'iptables pour sécuriser vos serveurs Linux, 80% des attaques réseau courantes pénètrent les firewalls mal configurés, exposant données et systèmes critiques.
Une seule brèche coûte en moyenne 4 millions d'euros à une entreprise, avec 20 jours de downtime et des amendes RGPD jusqu'à 4% du CA.
Les administrateurs responsables risquent le licenciement, tandis que l'entreprise perd clients et réputation irrémédiablement.
Chaque mois sans cette expertise multiplie par 3 les incidents, compromettant la viabilité business.
The Sécuriser ses Serveurs Linux : Maîtriser iptables pour la Protection Réseau training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Sécuriser ses Serveurs Linux : Maîtriser iptables pour la Protection Réseau training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Sécuriser ses Serveurs Linux : Maîtriser iptables pour la Protection Réseau training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Principes de base de la sécurité réseau ; Présentation des menaces courantes ; Architecture du Netfilter et rôle d’iptables ; Concepts essentiels (tables, chaînes, politiques par défaut) ; Installation, activation et vérification d’iptables ; Premiers tests sur maquettes
Syntaxe des commandes iptables ; Chaînes INPUT, OUTPUT, FORWARD ; Ciblage par adresses IP, ports, protocoles ; Connexions entrantes/sortantes et gestion fine du trafic ; Mise en place de politiques par défaut strictes ; Scénarios pratiques : blocage d’applications, autorisation de services spécifiques
Gestion des logs et surveillance avec iptables ; Détection d’intrusions et réactions automatiques ; Scripts de sauvegarde/restauration des règles ; Maintenance et persistances après redémarrage ; Audits réguliers, bonnes pratiques et gestion des incidents ; Études de cas réels et méthodes de renforcement structurel de la politique de sécurité
Target audience
Administrateurs systèmes, ingénieurs réseaux, techniciens informatiques souhaitant renforcer la sécurité de serveurs sous Linux
Prerequisites
Connaissances de base de l'administration système sous Linux et notions fondamentales en réseau informatique
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