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post 1 COLLAPSE How is an application layer firewall different from a packet-filtering firewall? A packet-filtering firewall only allows “a particular packet with a particular…

post 1
COLLAPSE

How is an application layer firewall different from a packet-filtering firewall?
A packet-filtering firewall only allows “a particular packet with a particular source, destination, and port address to enter”. Packet filtering firewall allows only a particular packet with a particular source, destination, and port address to enter through the firewall. It does this by opening and closing “doors” in the firewall based on the information contained in the packet header, which makes dynamic packet filters an intermediate form, between traditional static packet filters and application proxies. It is called a proxy server since it runs special software that acts as proxy for a service request.
Why is an application layer firewall sometimes called a proxy server?
An application layer firewall is sometimes called a proxy server because it “runs special software that acts as a proxy for a service request” It is more to deal with outgoing connections and making connections within the DMZ zone of an organization.
What is stateful inspection?Stateful inspection keeps track of each network connection between internal and external system using a state table. A state table track the context and state of each packet in the conversation by recording which station sent the packet and when it was dent.
What is a VPN? Why is it becoming more widely used?
A Virtual Private Network is a connection method used to add security and privacy to private and public networks, like WiFi Hotspots and the Internet. Virtual Private Networks are most often used by corporations to protect sensitive data. However, using a personal VPN is increasingly becoming more popular as more interactions that were previously face-to-face transition to the Internet. Privacy is increased with a Virtual Private Network because the user’s initial IP address is replaced with one from the Virtual Private Network provider. Subscribers can obtain an IP address from any gateway city the VPN service provides. For instance, you may live in San Francisco, but with a Virtual Private Network, you can appear to live in Amsterdam, New York, or any number of gateway cities.
What is content filtering, and should it be leveraged on a corporate network? Backup your statement with 2 or 3 facts.
content filtering (also known as information filtering) is the use of a program to screen and exclude from access or availability Web pages or e-mail that is deemed objectionable. Content filtering is used by corporations as part of Internet firewall computers and also by home computer owners, especially by parents to screen the content their children have access to from a computer.Content filtering usually works by specifying character strings that, if matched, indicate undesirable content that is to be screened out. Content is typically screened for pornographic content and sometimes also for violence- or hate-oriented content. Critics of content filtering programs point out that it is not difficult to unintentionally exclude desirable content.
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Discussion post 2
COLLAPSE

How is an application layer firewall different from a packet-filtering firewall?
A packet-filtering firewall only allows “a particular packet with a particular source, destination, and port address to enter”. Packet filtering firewall allows only a particular packet with a particular source, destination, and port address to enter through the firewall. It does this by opening and closing “doors” in the firewall based on the information contained in the packet header, which makes dynamic packet filters an intermediate form, between traditional static packet filters and application proxies. It is called a proxy server since it runs special software that acts as proxy for a service request.
Why is an application layer firewall sometimes called a proxy server?
An application layer firewall is sometimes called a proxy server because it “runs special software that acts as a proxy for a service request” It is more to deal with outgoing connections and making connections within the DMZ zone of an organization.
What is stateful inspection?Stateful inspection keeps track of each network connection between internal and external system using a state table. A state table track the context and state of each packet in the conversation by recording which station sent the packet and when it was dent.
What is a VPN? Why is it becoming more widely used?
A Virtual Private Network is a connection method used to add security and privacy to private and public networks, like WiFi Hotspots and the Internet. Virtual Private Networks are most often used by corporations to protect sensitive data. However, using a personal VPN is increasingly becoming more popular as more interactions that were previously face-to-face transition to the Internet. Privacy is increased with a Virtual Private Network because the user’s initial IP address is replaced with one from the Virtual Private Network provider. Subscribers can obtain an IP address from any gateway city the VPN service provides. For instance, you may live in San Francisco, but with a Virtual Private Network, you can appear to live in Amsterdam, New York, or any number of gateway cities.
What is content filtering, and should it be leveraged on a corporate network? Backup your statement with 2 or 3 facts.
content filtering (also known as information filtering) is the use of a program to screen and exclude from access or availability Web pages or e-mail that is deemed objectionable. Content filtering is used by corporations as part of Internet firewall computers and also by home computer owners, especially by parents to screen the content their children have access to from a computer.Content filtering usually works by specifying character strings that, if matched, indicate undesirable content that is to be screened out. Content is typically screened for pornographic content and sometimes also for violence- or hate-oriented content. Critics of content filtering programs point out that it is not difficult to unintentionally exclude desirable content.
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