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Network service to ensure enhance network security, Specialize device to…
Network service to ensure enhance network security
Firewall Type Descriptions
Host based (server and personal firewall)
PC ord server with firewall software running on it
Hybrid Firewall
combination of the various firewall types
Application gateway firewalls(Proxy firewalls)
filters information at Layer 3,4,5. and 7 of the OSI reference model
Stateful Firewall
allows or blocks traffic based on ports and protocol
Packet filtering (Stateless) firewall
which permits or denies traffic based on Layer 3 and Layer 4 information
Transpareant Firewall
IP traffic between a pair of bridged interfaces
Firewalls
Several benefits of using a firewall
Sanitizes protocol flow
Reduces security management complexity
Some common firewall properties
Firewalls are resistant to network attacks
All traffic flows through the firewal
Firewall also presnt some limitation
Network perfomance can slow down
Users search for ways around the firewall to receive blocked material
Specialize device to enhance
network securit
Cisco Email Security Appliance (ESA)
Defends mission-critical email systems.
Detects and correlates threats using a worldwide
database monitoring system.
Cisco Web Security Appliance (WSA) with Cloud
Web Security (CWS):
WSA
Protect the network by automatically blocking risky sites and testing unknown sitesbefore allowing users to access them.
provides malware protection, application visibility and
control
CWS
enforces secure communication to and from the
Internet
provides remote workers the same level of security as
onsite employees.
Cisco Advanced Malware Protection (AMP)
Provides comprehensive malware proctection for organization before,during and after an attack