Firewalls – IT Support Bay Area

What is a firewall?

A firewall is a network security device that monitors incoming and outgoing network traffic, and decides whether to allow or block specific traffic based on a defined set of security policies.

What types of things does a firewall protect against?

IP Spoofing

attackers attempting to gain access by impersonating/faking a machine’s IP address to gain entry to the network

Denial of Service Attacks

denial of service is typically accomplished by flooding the targeted machine or resource with superfluous requests in an attempt to overload systems and prevent some or all legitimate requests from being fulfilled

Port Scanning

an attack where attackers scan a host machine for open ports to exploit to their benefit

Intrusion Prevention

proactive approach to security to identify potential threats and rapid response to these threats

How do Firewalls protect Businesses?

  • Firewalls can prevent information from going out, just as much as protect against external threats.
  • Firewalls can be configured to prevent employees from unknowingly, or knowingly, sending confidential or sensitive information.
  • Firewalls can be programmed to prevent access to certain websites (e.g., social networking sites, streaming video or file sharing sites).
  • Additionally, a company can specify one computer within the network for file sharing while restricting all other machines from file sharing.
  • Firewalls can be utilized to prevent outsider access to computers inside the secure corporate network.
  • Firewalls are extremely customizable, with unlimited possibilities for potential configuration to your organization’s needs.
  • For firewalls to be most effective and secure, they are should be configured, managed, and installed by experienced IT specialists.

UIS provides the following:

  • Designing, maintaining, and troubleshooting
  • Logging, monitoring, and reporting
  • Firmware upgrades
  • Security alerts
  • Compliance with federal, state, and company regulations

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