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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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Don't let this gap widen
Sans maîtrise avancée de l'administration d'Unbound, vos serveurs DNS restent vulnérables aux attaques d'amplification DDoS et aux fuites de données.
80 % des incidents de cybersécurité d'entreprise sont liés à une configuration DNS défaillante, entraînant un coût moyen de 4 millions d'euros par brèche selon les rapports Verizon DBIR.
Chaque heure de downtime DNS génère 10 000 € de pertes business directes, exposant l'entreprise à des amendes RGPD et à une perte de confiance clients irréversible.
Sans résilience optimisée, un simple panne réseau paralyse toute l'infrastructure, menaçant directement votre carrière et la pérennité de l'organisation.
The Administration avancée du serveur DNS Unbound : Sécurité, performance et résilience 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 Administration avancée du serveur DNS Unbound : Sécurité, performance et résilience 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 Administration avancée du serveur DNS Unbound : Sécurité, performance et résilience 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 serveur Unbound, différences avec BIND et autres solutions, installation sous Linux, configuration initiale (fichier unbound.conf), tests simples de résolution DNS, démarrage et supervision des logs.
Gestion des ACL, configuration du chroot et de l’utilisateur dédié, activation et vérification de DNSSEC, validation des signatures, lutte contre le spoofing, gestion des interfaces et contrôle des accès au service.
Gestion du cache DNS et des TTL, choix et configuration des upstreams, tuning avancé (threads, mémoire, fast zone transfer), configuration de la journalisation, intégration avec Prometheus/Grafana, résolution de problèmes et bonnes pratiques pour garantir une haute disponibilité.
Target audience
Administrateurs systèmes, ingénieurs réseau, professionnels de la cybersécurité souhaitant maîtriser la gestion avancée d’un serveur DNS résolveur avec Unbound
Prerequisites
Bonne maîtrise des systèmes Linux/Unix, notions de base en réseau, connaissance des fondamentaux DNS
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