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rotaris357

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Product Comparison and Research.

1. What is URI ? What is the difference between URI and URL ? and HOW ?

2. Have any website that has the report about security such as the statistic of possibility of intruding of hackers counting by Percentage and if firewall is used how about the percentage will be ??

3. For ISA comparing with Checkpoint and other firewalls such as PIX , NETSCREEN , What is the best ? and What is the difference between them such ISA and CHECKPOINT. ??
Have any report can I download ???
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FlamingSword

1) check out web documentation, for free, http, html etc

This has nothing to do with security, just names, conventions, dictionary type talk.
1) see also URN
2) no

Not reliably.
Note that firewall is not a complete answer to stop intrusion.
Note that companies who have suffered intrusion..
are very reluctant to tell anyone (except for $$$ and fame, but that is also termed inside knowledge that is protected).

If you just have to have a number, to give someone, it should be easy enough to survey a few websites hosted by firewall makers. Try that, and let us know how many are in agreement on the numbers - they will be the ones to brag.
3) Best is always relative

ISA is new, version 1, built by one who is inexperienced in hardware or throughput or security.  You know what THEY say about that...(?)... : "I'll wait at least until SP2 is out before trying..."

Checkpoint is problematic, but it has been around awhile, some bugs shaken out, and there are more users now (for sharing)

For research, try search this very EE website. This question has appeared before in a few different forms, so there should be a variety of comments and answers to you liking.
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SunBow
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1) URL
 
A URL (Uniform Resource Locator) (pronounced YU-AHR-EHL or, in some quarters, UHRL) is the address of a file (resource) accessible on the Internet. The type of resource depends on the Internet application protocol. Using the World Wide Web's protocol, the Hypertext Transfer Protocol (HTTP) , the resource can be an HTML page (like the one you're reading), an image file, a program such as a common gateway interface application or Java applet, or any other file supported by HTTP. The URL contains the name of the protocol required to access the resource, a domain name that identifies a specific computer on the Internet, and a hierarchical description of a file location on the computer.
On the Web (which uses the Hypertext Transfer Protocol), an example of a URL is:

       http://www.mhrcc.org/kingston

which describes a Web page to be accessed with an HTTP (Web browser) application that is located on a computer named www.mhrcc.org. The specific file is in the directory named /kingston and is the default page in that directory (which, on this computer, happens to be named index.html).
An HTTP URL can be for any Web page, not just a home page, or any individual file.

A URL for a program such as a forms-handling common gateway interface script written in Perl might look like this:

      http://whatis.com/cgi-bin/comments.pl

A URL for a file meant to be downloaded would require that the "ftp" protocol be specified like this one:

     ftp://www.somecompany.com/whitepapers/widgets.ps

A URL is a type of URI (Uniform Resource Identifier).  
 
Read more about it at:
>  The World Wide Web Consortium's Introduction to HTML 4.0 includes a good introduction to URIs and URLs.
(don't neglect URN, right?)
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Thanks so much