BASTION HOST Meaning and
Definition
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A bastion host is a specialized computer system or network device that is placed on the edge of a network and serves as the primary line of defense against unauthorized access or attacks from external sources. It acts as a fortified stronghold, providing a secure and controlled gateway between an internal network and the outside world.
The main function of a bastion host is to ensure the security and integrity of a network by monitoring and filtering all incoming and outgoing network traffic. It typically employs a variety of security mechanisms like firewalls, intrusion detection systems (IDS), and access control lists (ACLs) to protect the network from malicious activities.
As the first point of contact for external connections, a bastion host is responsible for authenticating and authorizing all incoming requests while scrutinizing the content for any signs of malicious intent. It can also provide additional services such as virtual private network (VPN) connectivity, secure shell (SSH) access, or proxy server functionalities.
In addition to protecting against external threats, a bastion host can also enforce security policies within the internal network by controlling access to specific resources, segments, or services. It enables administrators to establish strict inbound and outbound traffic rules, limiting the exposure of sensitive data and ensuring the confidentiality, availability, and integrity of the network.
Overall, a bastion host plays a vital role in safeguarding the network infrastructure and is considered an essential component of a robust security strategy.
Common Misspellings for BASTION HOST
- vastion host
- nastion host
- hastion host
- gastion host
- bzstion host
- bsstion host
- bwstion host
- bqstion host
- baation host
- baztion host
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- baetion host
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- bas5ion host
Etymology of BASTION HOST
The word "bastion" originated from the Old French word "bastillon", which meant "small fortification". It further derives from the Italian word "bastione", which referred to a rampart or bulwark. The term "host" in this context refers to a computer or a network/device that provides services to other computers or networks. Combining these two words, "bastion host" thus became a metaphorical term used in computer networking to refer to a fortified or secure host that acts as a front-line defense, protecting a network from external attacks.
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