Web Filtering 4.5

Question 1

Content Filtering

Answer 1

• Filtering the data of an application.

Question 2

What is Managed by Content Filtering

Answer 2

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

Question 3

URL Scanning

Answer 3

• 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.

Question 4

Agent Based

Answer 4

• 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.

Question 5

Proxies

Answer 5

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

Question 6

Explicit Proxy

Answer 6

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

Question 7

Transparent Proxy

Answer 7

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

Question 8

Forward Proxy

Answer 8

• 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.

Question 9

Block Rules

Answer 9

• 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.

Question 10

Reputation

Answer 10

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

Question 11

Levels of Reputation

Answer 11

• Trusthworthy
• Low Risk
• Medium risk
• Suspicious
• High risk

Question 12

Automated Reputation

Answer 12

• 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

Question 13

Manual Reputation

Answer 13

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

Question 14

Domain Name System (DNS) Filtering

Answer 14

• 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

Question 15

Process of DNS Filtering

Answer 15

• 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