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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.
Which format do you prefer?
30 free minutes with a training advisor — no commitment.
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Professional Training training in Dallas in July 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Cybersecurity training in Oklahoma City in December 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Cybersecurity training in Sheffield in November 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Discover the best warehouse management and logistics training options scheduled for March 2026, focusing on emerging trends like AI automation, sustainability, and supply chain resilience to boost your career.
Don't let this gap widen
Sans une maîtrise d'iptables, 75 % des incidents de sécurité sur réseaux Linux proviennent de configurations firewall défaillantes, exposant vos systèmes à des attaques DDoS ou intrusions massives.
Une seule brèche coûte en moyenne 4 millions d'euros en pertes directes, amendes RGPD et temps d'arrêt opérationnel, paralysant l'activité pendant des semaines.
Les administrateurs système non formés voient leur carrière menacée par des audits internes critiques, tandis que les entreprises risquent la faillite face à la concurrence impitoyable.
Chaque mois sans sécurisation efficace multiplie par 3 les vulnérabilités critiques.
The Maîtriser iptables : Sécuriser efficacement vos réseaux Linux 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 Maîtriser iptables : Sécuriser efficacement vos réseaux Linux 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 Maîtriser iptables : Sécuriser efficacement vos réseaux Linux 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.
Présentation du fonctionnement d’iptables dans le noyau Linux, structures des tables et des chaînes, états des connexions, introduction à Netfilter. Installation, sauvegarde et restauration des configurations.
Écriture des règles de filtrage simples et complexes, gestion du trafic entrant, sortant et transféré, contrôles des ports, protocoles et adresses IP, blocage des attaques basiques. Étude de cas : sécurisation d’un serveur SSH, serveur web, etc.
Politique de sécurité granulaire, journalisation et monitoring, scripts d’automatisation, gestion des modules complémentaires (conntrack, recent, etc.), debug et résolution d’incidents, gestion des logs et analyse. Bonnes pratiques et audit de la sécurité.
Target audience
Administrateurs système, responsables sécurité, ingénieurs réseau, professionnels IT souhaitant sécuriser des systèmes Linux.
Prerequisites
Connaissances de base en administration Linux, notions fondamentales des réseaux TCP/IP.
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