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Duty of firewalls
2007-08-28 15:36:19
PEM counters the threat of onterception or tampering with amessage stream in electronic mail. Although that is a significant concern, there is limited use of electronic mail for sensitive communication. More significant is the threat that an untruder would penetrate a ststem turm connected to the Internet. This threat is more significant for two reasons: an electronic message contains very little data, usuallt only hundreds or thousands of bytea. whereas a network. may be unaware of the threat to all stored data. Thus, protection of network conected resources is very important.The simplest from of protection of sensitive resources is not to connect them to any system accessible from outside the organization's security perimeter, Physical isplation is totally effectibe against outside attack,but manyusers need, and more want, access to the outside.in the worst case, a user woll buy an indezpensive modem and connect it to a LAN-connected workstation to link to the outside. This practice


Symmetric-Key Encryption
2007-08-28 15:35:02
Symmetric-Key encryption (also some times called bulk encryption) is what most people think of as a secret code. The essence of a symmetric-key system is that both parties must know a shared secret. The sending party performs some predefined manipulation of the data, using the shared secret as a key. The result is a scrambled message which can only be interpreted by reversing the encryption process, using the same secret key. A good example of a symmetric-key encryption mechanism was the Enigma system used in World War II. In that case the manipulation was performed by an electro-mechanical machine and the key was a series of patch panel connections. The key was changed at regular intervals, so there was a fresh challenge for the code breakers every few weeks.Using modern computer systems, symmetric-key encryption is very fast and secure. Its ef
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Java in the World Wide Web
2007-08-28 15:34:24
Java on its own would be just another, rather interesting, programming language. It is when it is combined with the Hot Java Web browser that it really comes into its own. Hot Java is Sun Microsystems browser that contains the Java run-time environment combined with conventional Web browser function. The Java code has been licensed by several other browser manufacturers, including IBM, Netscape and Microsoft (note that Netscape also provides another client-side execution language named JavaScipt, which despite its name is not directly related to Java).Special new HTML tags allow you to specify in a document a small Java program, called an applet to be sent to the browser and executed. The Hot Java run-time environment provides access to the client machine’s facilities, such as graphics, sound and network access. The Java language itself provides object
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What Is Java?
2007-08-28 15:33:08
Java itself is a programming language, developed by Sun Microsystems. It is object-oriented, and was designed to be a close cousin of C and C++, but easier to program, more portable and more robust. The authors have done an excellent job of removing the features in C++ that give programmers sleepless nights, yet retaining good functionality.The features of Java that are especially important in the Web environment are:Portability Java is a compiled language, but unlike other languages it does not compile into machine instructions, but into architecture-neutral byte codes. This means that the same program will run on any system that has the Java run-time environment, regardless of the operating system or hardware type.Thread Support Java has multithread support built in to it, making it very effective for dynamic applications and multimedia.Memory Managemen


How Secure Is HTTP Basic Authentication?
2007-08-28 15:32:24
With basic authentication, your server has identified who the client user is by means of a user ID and password. How sure can you be that the user really is who he claims to be? To answer this you have to consider the ways in which the ID and password may have been compromised:The user may have voluntarily given the ID to another person.The user may have written down the ID, and someone may be using it without his knowledge.Someone may have guessed the password.Someone may have intercepted the user ID and password between client and server systems.The first three possibilities are problems which occur in any password-based system. The normal response to such issues is to suggest better user education and password rules. This is quite reasonable, and can be effective within a single enterprise, where you have some control over the users of the
Read more: Secure , Basic , Authentication

Using Access Control List Files
2007-08-28 15:30:26
Another method of controlling access to the server is to use access control list (ACL) files. These are files named .www_acl which reside in the directory of the files to be protected. ACL files can be used in two ways:As a secondary form of access control, on top of the protection offered by protection directives in the http.conf file.As the sole form of access control. You still need Protection and Protect directives, because they define the password file to use and the directory to protect. However if you code the following line in the Protection directive, the Mask entries in it will be ignored, so long as there is an ACL file in the target directory:ACLOverride OnAn ACL file consists of a series of lines of the form:file : method : user_or_groupThe file specification can contain wildcards (*) in the same way as the definitions in th
Read more: Access , Control

Impotant of computer network security for user
2007-08-28 15:29:05
Memory protection in a multiuser setting has evolved with advances in hardware and system design. Fences,base/bounds register,tagged architecture,paging, and segmentation are all mechanisms cesigned bith for addressing and for protection.File pritection schemes ongeneral--urpose iperating system are offten based on a three or four level format (for example. user group all). This format is reasonably straightforward to implement. but it restricts the granularity of access control to few levels.Access contro; in general is addressed by the access control matrix. or access control lists organized on a per-object or per-user basis. Although very flexible, these mechanisms can be difficult to umplement efficiently.User authentication is a serious isse that becomes evsn more serious when unacquainted users seek to share facilities by means of computer network s. The traditional authentication device is the password. A plaintext password file presents a serious vulnerability for a computing sy
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Xoftspy Scanning Software Computer Security And Protection
2007-08-26 13:36:55
Get Rich Quick Scams RevealedRead this article before you consider paying for a "get rich quick" program.From: Video TutorialEverybody would love to make lots of money quickly, working from home, and only doing a few hours of work per week. I've spent the past two years trying to find a great way of doing this. Only over the course of the past few months have I found any "get rich quick" programs worth buying. I've been trying to make money online for a long time. I had a few small websites, but they never made much more than a few hundred per month. It was easy money and didn't require much work on my part, but I knew there were people out there doing better than I was and I knew I could do as well as them.Now, I've seen a lot of "get rich quick" programs. Most of these people make claims about earning $2000/day with Google or something similarly insane. Almost all of these people are complete liars. Even if they were making $2000/day with Google AdSense, it'd be because they had
Read more: Scanning , Software , Computer , Protection

What is Spyware and Adware?
2007-08-26 13:30:31
Spyware and Adware is software made by publishers that allow them to snoop on your browsing activity, invade your privacy, and flood you with those horrible popups. If you are like most users on the internet, chances are you are probably infected with these applications. That is why we have designed our revolutionary product. Why does Spyware and Adware affect every internet user? All information you enter via the web can be intercepted Unauthorized sites can add themselves to your desktop (icons) Unauthorized sites can add themselves to your internet favorites Your browsing activity can be tracked and monitored Unwanted toolbars and searchbars can attach themselves to your browser without your knowledge or approvalYour personal information can be sold to other parties without your knowledge or c
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Spybot - Search & Destroy .History And Description
2007-08-26 13:24:40
The first known use of the expression "spyware" occurred on October 17th, 1994 in a post that joked about Microsoft's business model. Spyware later came to allude to snoop equipment such as diminutive cameras. In early 2000, the man who started Zone Labs used the term in a press release for a new product. Since then, the computer-community has used the term in its current definition.Spybot - Search & Destroy can detect and remove a multitude of adware files and modules from your computer. Spybot also can clean program and Web-usage tracks from your system, which is especially useful if you share your computer. Modules chosen for removal can be sent directly to the included file shredder, ensuring complete elimination from your system. For advanced users, it allows you to fix Registry inconsistencies related to adware and to malicious program installations. The handy online-update feature ensures that Spybot always has the most current and complete listings of adware, dialers, an
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Avast Virus Cleaner Software Tools To Keep Your Pc Clean
2007-08-26 13:16:12
Spyware and spyware removers are becoming big business in the 21st Century! With all the hype of getting something free on the Internet this has made it almost impossible for someone in today's Internet environment not to get a case of some form of spyware.Avast! Virus Clean er is a free tool that completely removes selected viruses and worms from your computer. It stops viruses that are active in memory, disinfects your files, removes virus registry and start-up items, and even deletes the virus-working files.The Internet has been popularize by it's free resources. The place where you can find information, files and download them to your computer for free and a lot of companies and Internet marketers have taken advantage with this philosophy an have place tons of spyware inside their download products where it's almost certain that your next move will be getting a spyware remover or an anti spyware software of some kind. Before I go any further let me explain exactly what spyware
Read more: Software , Tools

AVG Anti-Virus Software Tools To Keep Your Pc Clean
2007-08-26 13:12:58
AVG Free Edition is the well-known antivirus protection tool. AVG Free is available free of charge to home users for the life of the product. Rapid virus database updates are available for the lifetime of the product, thereby providing the high level of detection capability that millions of users around the world trust to protect their computers. AVG Free is easy to use and will not slow your system down (low system resource requirements). Highlights include automatic update functionality, the AVG Resident Shield, which provides real-time protection as files are opened and programs are run, free Virus Database Updates for the lifetime of the product, and AVG Virus Vault for safe handling of infected files.With simply a computer and an Internet connection you can access an infinite number of Web servers, Web pages, individuals from across the globe and other digital entities from around the world but it also endangers your PC and the confidential data it contains about you.Every
Read more: Software , Tools , Clean

Avira AntiVir PersonalEdition Premium The Best Anti-virus Software Tools To Keep Your Pc Clean
2007-08-26 13:10:47
Avira AntiVir PersonalEdition Premium – The company, AntiVir, has long been recognized as one of the leaders in the antivirus field. AntiVir PersonalEdition Premium is an easy to use virus scanner which includes rootkit detection plus phishing protection. If you do decide to you the AntiVir PersonalEdition Premium be sure to set it up in conjunction with your firewall.The AntiVir Personal Edition offers the effective protection against computer viruses for the individual and private use on a single PC-workstation. In order to make possible an easy operation, the AntiVir Personal Edition is developed to the essential points. You'll be amazed how thoroughly AntiVir protects: detects and removes more than 150,000 viruses always among the winners of comparison test featured in computer journals the resident Virus Guard serves to monitor file movements automatically, e.g. downloading of data from the internet scanning and repair of macro viruses protection against previously unkno
Read more: Software , Tools , Clean , Avira

Firewalls Work To Keep Your PC Safe
2007-08-26 12:37:57
To get and keep our computers safe from hackers,or anyone wanting to have a look in our computers,we need the aid and assistance of something commonly called Firewalls.A Firewall can be hardware or software that acts as a gatekeeper to your computer. It does this by monitoring all internet traffic coming in and going out of our computers.They not only allow the passage of this traffic but inspects all,making sure it is safe and do not contain viruses,any spyware,or other malicious software.Firewalls control internet traffic in two methods: Packet filtering and stateful inspection. A Packet is a chunk of data and it contains the address of the computer it comes from and a destination address.Ok,so you're wondering what on earth is an IP Address.Well, it is an idenifier for your computer device.The format of an IP address is a 32-bit numeric address written as four numbers separated by periods. If the Firewall recognizes the Packet and its IP Address,or its Internet Protocol Address,it


F-PROT Anti-virus Software Tools To Keep Your Pc Clean
2007-08-26 12:08:18
I am starting to think that it is safer to walk down a dark alley than it is to surf the internet. Everyday, there are more and more stories of identity theft through spyware, Trojans, worms, and other malicious virus programs. At least, there is a better chance of catching the thief if it is a physical robbery. Most internet criminals are never apprehended.Let’s face facts. It’s getting harder and harder to protect your computer and yourself from the dangers posed by computer viruses. They can be contracted through a variety of ways, including opening email attachments, clicking on spam or by visiting corrupt websites.Fortunately, just as viruses have grown in strength and complexity over the years, so have the tools we have available to combat them with. The latest generation of anti-virus software gives your computer a level of protection never before possible. Here are some of the best selling and most dependable anti-virus software for sale.The free F-PROT antivirus software f
Read more: Software , Tools , Clean

McAfee VirusScan The Best Anti-virus Software Tools To Keep Your Pc Clean
2007-08-26 12:05:24
McAfee is an industry leader in computer protection and VirusScan is their #1 defense against virus es. This software comes with a ScriptStopper, to prevent virus to propagate from one computer to another via email, and WormStopper.Some downsides to the program are it doesn't provide instant message protection, P2P/file sharing protection or registry startup protection. Check out the Gold product if you're looking for these features.Let’s face facts. It’s getting harder and harder to protect your computer and yourself from the dangers posed by computer viruses. They can be contracted through a variety of ways, including opening email attachments, clicking on spam or by visiting corrupt websites. Fortunately, just as viruses have grown in strength and complexity over the years, so have the tools we have available to combat them with. The latest generation of anti-virus software gives your computer a level of protection never before possible. Here are some of the best selling and mo
Read more: Software , Tools , Clean , McAfee

AVG Anti-Malware The Best Anti-virus Software Tools To Keep Your Pc Clean
2007-08-26 12:00:28
I am starting to think that it is safer to walk down a dark alley than it is to surf the internet. Everyday, there are more and more stories of identity theft through spyware, Trojans, worms, and other malicious virus programs. At least, there is a better chance of catching the thief if it is a physical robbery. Most internet criminals are never apprehended.Let’s face facts. It’s getting harder and harder to protect your computer and yourself from the dangers posed by computer viruses. They can be contracted through a variety of ways, including opening email attachments, clicking on spam or by visiting corrupt websites.Fortunately, just as viruses have grown in strength and complexity over the years, so have the tools we have available to combat them with. The latest generation of anti-virus software gives your computer a level of protection never before possible. Here are some of the best selling and most dependable anti-virus software for sale.AVG Anti-Malware – The AVG Anti-Ma
Read more: Software , Tools , Clean

Panda Antivirus 2007 The Best Anti-virus Software Tools To Keep Your Pc Clean
2007-08-26 11:44:28
Panda Antivirus 2007's middle-of-the-road malware detection results, inadequate default settings, and poor disinfection performance offset its useful features and attractive pricing to produce an unimpressive fifth-place ranking in "Virus Stoppers," our roundup of eight stand-alone antivirus programs.I am starting to think that it is safer to walk down a dark alley than it is to surf the internet. Everyday, there are more and more stories of identity theft through spyware, Trojans, worms, and other malicious virus programs. At least, there is a better chance of catching the thief if it is a physical robbery. Most internet criminals are never apprehended.Let’s face facts. It’s getting harder and harder to protect your computer and yourself from the dangers posed by computer viruses. They can be contracted through a variety of ways, including opening email attachments, clicking on spam or by visiting corrupt websites.Fortunately, just as viruses have grown in strength and complexity
Read more: Software , Tools , Clean , Panda , Panda Antivirus

Computer Security Software for Your PC
2007-08-26 11:33:54
Computer security software should be at the top of any new computer owner's shopping list. Although the protection offered by the built in computer firewalls and privacy settings on all new Windows based computers is reasonably adequate, third party computer security software is strongly recommended as a supplement. Computer security software is available in many forms. What you need depends on how you plan to use your computer.For anyone who plans to connect to the internet, antivirus software is essential. Antivirus software scans files that are sent or received from the internet to check for known viruses. Two of the most popular providers of antivirus software are Norton and McAfee. Both are large PC security software providers with strong reputations. However, many smaller companies offer antivirus software as well at a lower fee. When choosing a product and provider, make sure that regular updates are available at little or no additional charge. New viruses are released daily, s
Read more: Software , Computer

Security On Your Computer Awareness You Need to Know
2007-08-26 11:32:49
If we were to take a conversation about security, such as this one, and place in the context of a social setting twenty years ago, people would have thought that you were crazy. The issue of security awareness in our society has, by necessity , reached a higher level than ever. Everything from credit card fraud to computer spyware has consumers wondering what they need to do to protect themselves. While much of the worry is well founded the truth about what we need to do protect our assets can be a little cloudy. It's hard to differentiate between rumor and fact and most of us aren't technologically proficient enough to really understand how computer firewalls work or what they do for us.Start with the software changes. Your goal is to prevent others from accessing your data remotely. A combination of computer firewalls and antivirus PC security software can take your sensitive information from unprotected to secure with very little effort. A firewall can be considered your first lin
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How to Stop Blog Spammers.
2007-08-26 11:21:56
Now anyone can make comments on a particular blog posting. As blog commenting has grown more popular, so has spam commenting. In this newsletter, we’ll go over why comments are a great form of feedback for your blog, how they help the credibility of your content, what spam comments are and how to prevent them from happening.Comments – A great form of feedbackWhen blogs first came around, they were simply online journals. No one could post comments on a blog posting. That all changed in 1998 with OpenDiary, a site which allowed people to comment on blog postings. Now every blog, whether it is remotely or self-hosted, includes this option to comment.Commenting is great because it allows real people to tell you what they think about your form. It gives you feedback on what you are doing right and what you may need to improve. Comments can be encouraging to you and motivate you to post more quality blog messages. Or they can be constructive criticism to make you work harder to get bet


What Is Spam? Is It Such A Huge Problem? How to Stop spam.
2007-08-26 11:20:36
If you have an email address you probably already know what spam is. Essentially spam is the junk mail of the electronic world, and just as if not more annoying.While the meat of each spam message is different, offering deals from everything from dating sites to pornography to prescription drugs, their goal is to sell you something. Spam is sent out by some type of automatic mailer program, sending the same message to you and millions of other email users.Most people find spam so annoying because of the sheer volume. Most people end up with hundreds of junk emails a week, sometimes a day. If your email program doesn't separate or filter out spam, it can take hours to sift through all the garbage and find the emails you're actually interested in.Spam got its beginnings on USENET, which are newsgroups for various topics of discussion. Spam was being sent to multiple groups via cross-posting. Soon spammers were sending advertisements to thousands of different newsgroups, regardless of t
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What is virus Computer? Virus Of Mass Destruction
2007-08-26 11:15:00
Well, the best definition we have been able to come up with is thefollowing1. A virus is a program that is able to replicate, that is create(possibly modified) copies of itself.2. The replication is intentional, not just a side-effect.3. At least some of replicants in turn are also viruses by the samedefinition.4. A virus has to attach itself to a "host", in the sense thatexecution of the host implies execution of the virus.virus may be modified, either by the original author or someone else, sothat a more harmful version of it appears. It is also possible that themodification produces a less harmful virus, but that has only rarelyhappened.The damage caused by a virus may consist of the deletion of data orprograms, maybe even reformatting of the hard disk, but more subtle damageis also possible. Some viruses may modify data or introduce typing errorsinto text. Other viruses may have no intentional effects other than justreplicating.Finally, remember that some viruses may interfere with
Read more: Computer , Destruction , Mass Destruction

pc cillin internet security 2007 comprehensively safeguards your computers, your home networks and your personal identity
2007-08-25 13:40:45
Trend Micro™ Internet Security 2007 and TrendSecure comprehensively safeguards your computers , your home networks and your personal identity . Email, shop, share pictures, bank, and instant message, confident that this award-winning security software helps prevent malicious attacks and reduces time-consuming interruptions. TrendSecure, a set of online services, provides extended protection, at home or on the go.Threat Protection VirusesSpywareAdwareWormsHackersRootkitsTrojan Horse ProgramsIdentity TheftFile/Information TheftPhishing Fraud Wi-Fi Wireless ProtectionSpam/Pop-ups Personal FirewallVulnerability AssessmentEmail ScanningURL FilteringOutbreak Warning System Protection Points Home and Home Office computerWireless HotspotsEmail and Instant MessagesOnline Commerce In todays modern society, more and more people are now using the internet for cheaper communication, for shopping and also for business. Many people are now taking advantage of the internet technology to transact busin


Look For in Spyware Software With ZoneAlarm
2007-08-25 13:33:50
"Stop Hackers, Data Thieves & Popups PC Mag Editor's Choice. Free Trial!"Protect yourself from Web nasties with this free utility. ZoneAlarm lets you block uninitiated and unwanted traffic, even while your PC is unattended or while you're not using your connection. To further limit your exposure to attack, specify which applications can access the Internet. The program lets you stop e-mail-borne Visual Basic Script worms, too. Huge number of spyware software applications are available in the market, some being offered as shareware while rest as freeware. (Shareware means a software available for download / CD, and can be used for a particular length of time, usually 30 days. Some are disabled as well).Before making a decision to purchase any such software we should check the reliability and should consider various attributes possessed by them and then select the best and the most appropriate one. The various attributes that one should consider to be the most important when purchasin
Read more: Software , Spyware

Pc-cillin Internet Security: Trusted by Millions Worldwide for Protection
2007-09-09 12:09:05
In the modern society d' aujourd' doors, more and more people employ l' now; Internet for the cheaper communication, purchases and also for businesses. Many people benefit maintaining from technology d' Internet to treat businesses. Some even considered to employ l' Internet to pay their factures.Pour this reason, the life is easier. By having the capacity to make shopping for your grocer in l' Internet, you more owe really n' to go to the supermarket to buy the goods which you have need. You can easily make shopping for your grocer on line and to pay it by employing your chart of crédit.Il has as well suitabilities there as l' Internet can bring to your life. However, because more and more people employ l' now; Internet for financial transactions, there are also some which would benefit from l' Internet to fly of toi.Ces people s' the intruders call. They are the new race of the criminals who will benefit from l' Internet to steal d' others for personal profits. They dev
Read more: Worldwide , Protection

Why Uninstall Your Norton Internet Security
2007-09-09 12:05:18
To populate l' l' use; Internet daily to communicate, and treat the companies. Some populate even very make their purchases on line because his much more convenient than outgoing with the email and make shopping there. Because of the purchases on line, you can buy something which you want well maison.Cependant in comforts of your characteristic, the fact that l' Internet is employed by people for financial transactions, there are also people would benefit from this marvellous technology to steal d' other people employing l' Internet. They can do this by simply employing a program of spyware.Quel program of spyware is qu' it would extract n' import which d' kind; information in your computer including/understanding your personal and financial information. With this information, the realizer of program of spyware will be able l' to employ to fly of you making some the flight d' identité.Il also has viruses d' there; circulating computer l' Internet and is aimed to destroy or
Read more: Uninstall , Norton , Internet Security , Norton Internet Security

Introduction into digitally a right management.
2007-09-09 12:01:50
IntroductionLa majority of the people intended to speak about the authorizing software and pay by television of sight, but probably not connected him to a development in technology the management of DIGITAL Rights (DRM) called. To include/understand what DRM tries to carry out you d' access of all the need to include/understand the property intellectuelle.Propriété intellectuellePour to include/understand numerical lines that you must remember that books, plays, images, the films and so on (this paper including) are prone on lines of copyright or intellectual property. By international agreements such that the convention of Bern the countries identify these lines and provide a framework which allows supports of copyright d' to have uniform rights in various countries and of being able to impose them. All times that you buy a book, to hear a modern recording played on television or to see qu' a film a payment is made with the supports of copyright of the travail.Vous will find appr
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Internet Filtering Solutions for Business
2007-09-06 15:57:24
Internet Filtering Solutions for Business ContentProtect Internet Filtering Software provides top rated internet filtering and protection for businesses. Find out why thousands of businesses including Disney™ have chosen ContentProtect as their Internet Filter of choice.ContentWatch Releases New Internet Filtering ApplianceThursday, November 16, 2006-- New Internet filtering appliance enforces organizations' Internet Usage Policies, increases employee productivity, reduces liability and preserves bandwidth ---- Customers can now place orders for the ContentProtect Professional Appliance --SALT LAKE CITY-Nov. 16, 2006 - ContentWatch, the leading provider of Internet protection solutions for homes, businesses, education, and government organizations, today announced the release of the ContentProtect Professional Appliance. The new ContentProtect Professional Appliance is an Internet filtering appliance that helps businesses and organizations enforce their Internet Usage Policy through
Read more: Internet

SONAR is the only all-in-one solution
2007-09-06 15:53:40
SONAR is the only all-in-one solutionWhether you're trying to increase employee productivity, protect yourself from internal threats as well as external, or simply increase your ROI, SONAR is the ideal solution for your company. capable of both enterprise level monitoring and enterprise level Internet filtering, SONAR's Employee Monitoring Solution does what no one else can do by allowing you to see and control ALL of your employees' communications and computer activity.With SONAR, you'll be able to: * Monitor and Read all Employee Communications - Email (including Webmail) & Instant Message Conversations * Monitor PCs that never connect to a Network (even laptops) * Take Screenshots of any computer activity * Capture all keystrokes typed * Monitor and filter Internet use * Monitor and block software application use on a scheduled basis SONAR is offered as a total solution, or a la carte by module.Communications ModuleNot monitoring employee communicati


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