Web Filtering 4.5 Flashcards

1
Q

Content Filtering

A
  • Filtering the data of an application.
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2
Q

What is Managed by Content Filtering

A
  • Control of outbound and inbound data such as sensitive materials.
  • Control and management of inappropriate content
  • Protects against anti-viruses and anti-malware.
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3
Q

URL Scanning

A
  • Type of content filtering
  • Also called a Uniform Resource Identifier (URI)
  • Used to create an allow and block list for specific web sites.
  • Manages these sites according to specific categories.
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4
Q

Agent Based

A
  • Addresses security for workers who don’t primarily work at location of the organization.
  • Content filters or the firewalls that are installed on the personal devices or systems.
  • Users can be located anywhere
  • Must have updates on a regular basis.
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5
Q

Proxies

A
  • A device that sits between the internet and the users
  • Controls the flow content
  • Useful for caching information, access control, ULR filtering, content scanning.
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6
Q

Explicit Proxy

A
  • Users needs to tell their application to use a proxy for communication rather than connecting directly to the server.
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7
Q

Transparent Proxy

A
  • Don’t need special configurations on the client when communicating with the server.
  • The user may no be aware that it is there
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8
Q

Forward Proxy

A
  • A centralized “Internal Proxy”
  • The user and the proxy are in the internal network of the organization.
  • The organization has control of the proxy
  • User communicates to the Proxy and the Proxy communicates to the internet using the set up security configurations.
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9
Q

Block Rules

A
  • Content and Web Filters will disallow or allow content based on a qualified domain name
  • Content is also managed based on the category of site content.
  • Provides different dispositions for blocking content.
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10
Q

Reputation

A
  • Content and web filters can evaluate a site based on a websites reputation
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11
Q

Levels of Reputation

A
  • Trusthworthy
  • Low Risk
  • Medium risk
  • Suspicious
  • High risk
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12
Q

Automated Reputation

A
  • A scan will assess a web site and its content
  • Evaluate the information received from that site
  • Determine level of reputation appropriate for that site
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13
Q

Manual Reputation

A
  • Allows managers to administratively assign a reputation to a specific web site.
  • Can add dispositions to specific sites vs relying on the automated system
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14
Q

Domain Name System (DNS) Filtering

A
  • Alternate method for filtering out content instead of using content filtering, proxies, or NGFW
  • Will determine if a site is not safe and not provide the user with the IP address
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15
Q

Process of DNS Filtering

A
  • Information of malicious or not safe websites are updated on the DNS server available on public or commercial lists.
  • If found not safe, the filter will provide the user with a default IP address or no IP address
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