Definition
Firewall
A firewall filters communications between networks according to rules, allowing only the traffic that is needed and blocking the rest.
In practice
In a business, it protects internet access, separates internal networks and handles the VPNs for remote access and links between sites.
Further reading (in French)
- Qu'est-ce que la maintenance informatique en entreprise ?
- Quelles sont les meilleures pratiques pour sécuriser son réseau informatique ?
See also
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