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Thread: Working technique of Application filtering in firewall

  1. #1
    Join Date
    Oct 2010
    Posts
    170

    Working technique of Application filtering in firewall

    How Firewalls in reality filtering out Traffic supported on Applications? Assume that you have installed a firewall that have application filter to make use of Firefox browser in the network. If another user has installed a Firefox application on his PC on the same network and started using internet then how will a firewall can notice the traffic is originated from the fire-fox application? How it distinguishes traffic from 2 diverse browsers? I didn’t able to figure out yet. So please give me some explanations regarding this.

  2. #2
    Join Date
    Feb 2010
    Posts
    678

    Re: Working technique of Application filtering in firewall

    A network-based application coating firewall is a networking firewall usually working at the application layer of a protocol stack. These are also identified as a proxy-based or reverse-proxy firewall.These types of firewalls precise to a fastidious variety of network traffic may be patrician with the service name, as a web application firewall. They may be put into operation throughout software operating on a host or a detached section of network hardware. Frequently, it is a host using a variety of outline of proxy servers to proxy traffic before fleeting it on to the client or server. Because it acts on the application layer, it may check the stuffing of the traffic, jamming precise content, such as convinced websites, viruses, and attempts to utilize notorious logical defects in client software.

  3. #3
    Join Date
    Feb 2010
    Posts
    489

    Re: Working technique of Application filtering in firewall

    Application filters can right to use the information torrent or datagram’s related with a assembly contained by the Firewall service. Application filters are indexed with the Firewall service and effort with several or every application-level protocol tributary or datagrams. An application filter can carry out protocol-specific responsibilities, such as verification and virus inspection. Some of the application filters are as follows: DNS filter, FTP access filter, H.323 filter, Intrusion detection filters, RPC filter, SIP Access Filter, SMTP filter, SOCKS filter, TFTP Access Filter, Streaming media application filters and Web Proxy filter.

  4. #4
    Join Date
    Feb 2010
    Posts
    462

    Re: Working technique of Application filtering in firewall

    Distributed Web Application Firewall is an associate of the web application firewall (WAF). Entirely software-based, the dWAF structural design is premeditated as detach mechanism talented to actually subsist in unusual regions of the network. This progress in construction allows the source expenditure of the dWAF to be stretch transversely a network quite than depend on one machine, while allowing absolute autonomy to scale as wanted. In meticulous, it allows the adding / subtraction of any quantity of machinery autonomously of each other for improved resource organization. This advance is perfect for outsized and dispersed virtualized infrastructures such as personal, unrestricted or fusion cloud models.

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