Firewalls Glossary
Browse 11 firewalls terms defined in plain English, from the cultural dictionary of computing.
11 Firewalls Terms
- Endpoint Firewall
- A firewall running on an individual host that controls inbound and outbound network connections for that device rather than for the whole network perimeter....
- Firewall Log
- A record produced by a firewall showing traffic decisions, connection details, rule matches, and other network events. Firewall logs are critical for...
- Firewall Policy
- The overall set of rules, principles, and management decisions that define what network traffic should be permitted, denied, logged, or inspected by a...
- Firewall Rule Set
- The concrete ordered collection of firewall rules that controls traffic based on addresses, ports, protocols, applications, or identities. The quality of a...
- Host Firewall
- A firewall running directly on a server, workstation, or endpoint that filters network traffic for that specific host. Host firewalls add local enforcement...
- IP Block
- A range of IP addresses grouped by prefix or allocation boundary, often treated as a unit in routing, allowlists, or blocklists. Security teams use IP blocks...
- Network Perimeter Security
- The controls placed at network boundaries to monitor, filter, or restrict traffic entering and leaving an environment, such as firewalls, gateways, DDoS...
- OPNsense
- An open-source firewall and routing platform used for network security and gateway management.
- Outbound Filtering
- The inspection and restriction of traffic leaving a network or system to prevent data exfiltration, malware callbacks, and unauthorized external communication....
- Packet Filter
- A filtering mechanism that makes allow-or-deny decisions based on packet-level properties such as source, destination, protocol, and port rather than full...
- Personal Firewall
- A firewall running on an individual user's computer or device to control inbound and outbound network traffic for that specific system. Personal firewalls were...
Related Topics
- Endpoints (3 terms in common)
- Host Security (3 terms in common)
- Networking (2 terms in common)
- Egress Control (1 terms in common)
- Perimeter (1 terms in common)
- Blocking (1 terms in common)
- Network Monitoring (1 terms in common)
- Data Loss Prevention (1 terms in common)
- Logs (1 terms in common)
- Ip Addressing (1 terms in common)
- Network Policy (1 terms in common)
- Network Segmentation (1 terms in common)
- Filtering (1 terms in common)
- Security (1 terms in common)
- Network Security (1 terms in common)
- Access Control (1 terms in common)
- Rules (1 terms in common)