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Introduction to Web Category Filtering (Applicable to Nusoft MS / UTM / MHG / IDR series)
Web Category Filtering provided by the Nusoft MS/UTM/MHG/IDR series implements CYREN’s GlobalView™ URL Filtering, which categorizes websites into 8 categories namely Anti-Social and Illegal, Pornographic and Abusive, Gaming and Gambling, Society and Commerce, Communication and Technology, Leisure, Information and Education and Other. Its cloud-based approach not only facilitates the database development but also offers end users with instant security. The feature requires no manual intervention to blacklist websites one after another but merely a few clicks on the desired categories based on the network policy. In addition, comprehensive and detailed reports for employee auditing and network management are made available to company supervisors.
Web Category Filtering Features:
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Network Protection: Protects networks and users from malicious and compromised Web sites. |
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Productivity Improvement: Restricts Internet access for work related purposes only, which greatly improves employee productivity. |
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Bandwidth Management: Identifies sites that consume an organization’s bandwidth (e.g., movies, music, etc.). |
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Parental Control: Prevents minors from browsing restricted sites, such as pornography or hate sites. |
Web Category Filtering Highlights:
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Covers 64 categories and 8 out of them are associated with network security. |
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Identifies Web site categories regardless of the language used. |
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Contains hundreds of millions of URL addresses in the data cloud. |
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Processes 50,000 categorization requests per second. |
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Categorizes each URL into up to 5 categories based on its characteristics. |
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CYREN LTD Company Profile
CYREN Ltd., incorporated on February 10, 1991, formerly known as Commtouch, is a cloud-based, Internet security technology company. The corporation currently has its U.S. headquarters in McLean, Virginia, USA with subsidiaries in Herzliya, Israel, Berlin, Germany and Reykjavík, Iceland.
CYREN uses a patented form of anti-spam detection known as Recurrent Pattern Detection (RPD) and GlobalView. CYREN can extract and analyze relevant message patterns, classifying both distribution patterns and structure patterns, regardless of the content or language of the message. CYREN delivers this threat intelligence from the cloud in real time, wherever and whenever it's needed – blocking over 130 million threats and detecting thousands of new, malicious files, URLs, IP addresses, and phishing sites.
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Eight categories provided by Web Category Filtering: |
Category |
Subcategory |
Description |
Anti-Social
and Illegal |
Botnets |
Sites that use bots (zombies) including command-and-control sites. |
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Hacking |
Sites that promote or give advice about how to gain unauthorized access to proprietary computer systems, for the purpose of stealing information, perpetrating fraud, creating viruses, or committing other illegal activity related to theft of digital information.
E.g., www.hackbase.com, www.chinahacker.com. |
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Illegal Software |
Sites that illegally distribute software or copyrighted materials such as movies or music, software cracks, illicit serial numbers, illegal license key generators.
E.g., www.zhaokey.com.cn, www.tiansha.net. |
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School Cheating |
Sites that promote unethical practices such as cheating or plagiarism by providing test answers, written essays, research papers, or term papers.
E.g., www.zydk788.com, www.huafengksw.com. |
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Violence |
Sites that contain images or text depicting or advocating physical assault against humans, animals, or institutions. Sites of a particularly gruesome nature such as shocking depictions of blood or wounds, or cruel animal treatment.
E.g., crimescene.com, deathnet.com, michiganmilitia.com. |
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Hate & Intolerance |
Sites that promote a supremacist political agenda, encouraging oppression of people or groups of people based on their race, religion, gender, age, disability, sexual orientation or nationality.
E.g., www.racist-jokes.com, aryan-nations.org, whitepower.com. |
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Compromised |
Sites that have been compromised by someone other than the site owner in order to install malicious programs without the user's knowledge. Includes sites that may be vulnerable to a particular high-risk attack.
E.g., www.wokoo.net, movie.sx.zj.cn. |
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Malware |
Sites that install unwanted software on a user's computer with the intent to enable third-party monitoring or make system changes without the user's consent.
E.g., www.tqlkg.com, aladel.net. |
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Spam Sites |
Sites that have been promoted through spam techniques.
E.g., img.tongji.linezing.com, banner.chinesegamer.net. |
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Weapons |
Sites that depict, sell, review or describe guns and weapons, including for sport.
E.g., www.ak-47.net, warfare.ru. |
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Criminal Activity |
Sites that offer advice on how to commit illegal or criminal activities, or to avoid detection. These can include how to commit murder, build bombs, pick locks, etc. Also includes sites with information about illegal manipulation of electronic devices, hacking, fraud and illegal distribution of software.
E.g., www.hackbase.com, jia.hackbase.com, ad.adver.com.tw. |
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Illegal Drug |
Sites with information on the purchase, manufacture, and use of illegal or recreational drugs and their paraphernalia, and misuse of prescription drugs and other compounds
E.g., www.cannabis.net, www.amphetamines.com. |
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Phishing & Fraud |
Sites that are used for deceptive or fraudulent purposes (e.g. phishing), such as stealing financial or other user account information. These sites are most often designed to appear as legitimate sites in order to mislead users into entering their credentials.
E.g., optimizedby.rmxads.com, 218.1.71.226/.../e3b. |
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Tasteless |
Sites with offensive or tasteless content such as bathroom humor or profanity.
E.g., comedycentral.com, dilbert.com. |
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Pornographic and Abusive
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Child Abuse Images |
Sites that portray or discuss children in sexual or other abusive acts.
E.g., a.uuzhijia.info. |
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Nudity |
Sites that contain full or partial nudity that are not necessarily overtly sexual in intent. Includes sites that advertise or sell lingerie, intimate apparel, or swimwear.
E.g., www.easyshop.com.tw, www.faster-swim.com.tw, image.baidu.com. |
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Pornography/Sexually Explicit |
Sites that contain explicit sexual content. Includes adult products such as sex toys, CD-ROMs, and videos, adult services such as videoconferencing, escort services, and strip clubs, erotic stories and textual descriptions of sexual acts.
E.g., www.dvd888.com, www.18center.com, blog.sina.com.tw. |
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Gaming and Gambling |
Gambling |
Sites that offer or are related to online gambling, lottery, casinos and betting agencies involving chance.
E.g., www.taiwanlottery.com.tw, www.i-win.com.tw, www.hkjc.com. |
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Games |
Sites relating to computer or other games, information about game producers, or how to obtain cheat codes. Game-related publication sites.
E.g., www.gamer.com.tw, www.wowtaiwan.com.tw, tw.lineage.gamania.com. |
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Society and Commerce |
Advertisements & Pop-Ups |
Sites that provide advertising graphics or other ad content files such as banners and pop-ups.
E.g., pagead2.googlesyndication.com, ad.yieldmanager.com. |
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Job Search |
Sites containing job listings, career information, assistance with job searches (such as resume writing, interviewing tips, etc.), employment agencies or head hunters.
E.g., www.104.com.tw, www.1111.com.tw, www.yes123.com.tw. |
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Transportation |
Sites that provide information about motor vehicles such as cars, motorcycles, boats, trucks, RVs and the like. Includes manufacturer sites, dealerships, review sites, pricing, , online purchase sites, enthusiasts clubs, etc.
E.g., www.toyota.com.tw, www.ford.com.tw, www.sym.com.tw. |
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Business |
Sites that provide business related information such as corporate Web sites. Information, services, or products that help businesses of all sizes to do their day-to-day commercial activities.
E.g., www.kinkos.com, www.proctorgamble.com, www.bbb.org. |
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Real Estate |
Sites relating to commercial or residential real estate services, including renting, purchasing, selling or financing homes, offices, etc.
E.g., www.sinyi.com.tw, www.yungching.com.tw, house.focus.cn. |
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Finance |
Sites related to banking, finance, payment or investment, including banks, brokerages, online stock trading, stock quotes, fund management, insurance companies, credit unions, credit card companies, and so on.
E.g., www.concords.com.tw, www.polaris.com.tw, www.bochk.com. |
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Shopping |
Sites for online shopping, catalogs, online ordering, auctions, classified ads. Excludes shopping for products and services exclusively covered by another category such as health & medicine.
E.g., shopping.pchome.com.tw, buy.yahoo.com.tw, www.tkec.com.tw. |
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Communication and
Technology |
Anonymizers |
Sites and proxies that act as an intermediary for surfing to other Web sites in an anonymous fashion, whether to circumvent Web filtering or for other reasons.
E.g., blog.go2.tw, anonymizer.com, www.qu365.com. |
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Download Sites |
Sites that contain downloadable software, whether shareware, freeware, or for a charge. Includes peer-to-peer sites.
E.g., www.hotdl.com, toget.pchome.com.tw, www.azroo.com. |
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Image Sharing |
Sites that host digital photographs and images, online photo albums and digital photo exchanges.
E.g., photo.pchome.com.tw, photo.xuite.net, photobucket.com. |
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Peer-to-Peer |
Sites that enable direct exchange of files between users without dependence on a central server.
E.g., www.eyny.com. |
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Streaming Media & Downloads |
Sites that deliver streaming content, such as Internet radio, Internet TV or MP3 and live or archived media download sites. Includes fan sites, or official sites run by musicians, bands, or record labels.
E.g., www.youtube.com, pfp.sina.com.cn, my.xunlei.com. |
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Chat |
Sites that enable web-based exchange of realtime messages through chat services or chat rooms.
E.g., me.sohu.com, blufiles.storage.live.com. |
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Forums & Newsgroups |
Sites for sharing information in the form of newsgroups, forums, bulletin boards.
E.g., ck101.com, my.xuite.net, ptt.cc. |
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Instant Messaging |
Sites that enable logging in to instant messaging services such as ICQ, AOL Instant Messenger, IRC, MSN, Jabber, Yahoo Messenger, and the like.
E.g., www.meebo.com, www.aim.com, www. ebuddy.com. |
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Search Engines & Portals |
Sites enabling the searching of the Web, newsgroups, images, directories, and other online content. Includes portal and directory sites such as white/yellow pages.
E.g., tw.yahoo.com, www.pchome.com.tw, www.google.com.tw. |
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Web-based Email |
Sites that enable users to send and receive email through a web-accessible email account.
E.g., mail.163.com, mail.google.com, mail.yahoo.com.tw. |
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Dating & Personals |
Sites that promote networking for interpersonal relationships such as dating and marriage. Includes sites for match-making, online dating, spousal introduction.
E.g., www.i-part.com.tw, www.imatchi.com, www.imatchi.com. |
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Greeting cards |
Sites that allow people to send and receive greeting cards and postcards.
E.g., www.e-card.com.tw, card.ivy.net.tw. |
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Parked Domains |
Sites that are inactive, typically reserved for later use. They most often do not contain their own content, may simply say "under construction," "purchase this domain," or display advertisements.
E.g., www.moemoon.com, artlin.net, img.sedoparking.com. |
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Social Networking |
Sites that enable social networking for online communities of various topics, for friendship, dating, or professional reasons.
E.g., www.facebook.com, www.flickr.com, www.groups.google.com. |
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Leisure |
Alcohol & Tobacco |
Sites that promote or sell alcohol- or tobacco-related products or services.
E.g., www.drinks.com.tw, www.p9.com.tw, beer.ttl.com.tw. |
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Fashion & Beauty |
Sites concerning fashion, jewelry, glamour, beauty, modeling, cosmetics or related products or services. Includes product reviews, comparisons, and general consumer information.
E.g., women.sohu.com, baodian.women.sohu.com. |
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Restaurants & Dining |
Sites that list, review, promote or advertise food, dining or catering services. Includes sites for recipes, cooking instruction and tips, food products, and wine advisors.
E.g., www.jogoya.com.tw, www.dintaifung.com.tw, www2.pizzahut.com.tw. |
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Arts |
Sites with artistic content or relating to artistic institutions such as theaters, museums, galleries, dance companies, photography, and digital graphic resources.
E.g., www.npm.gov.tw, www.nmh.gov.tw. |
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Leisure & Recreation |
Sites relating to recreational activities and hobbies including zoos, public recreation centers, pools, amusement parks, and hobbies such as gardening, literature, arts & crafts, home improvement, home décor, family, etc.
E.g., tpbg.tfri.gov.tw, tw.fashion.yahoo.com, www.relaxtimes.com.tw. |
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Sports |
Sites relating to sports teams, fan clubs, scores and sports news. Relates to all sports, whether professional or recreational.
E.g., www.yankees.com, www.nba.com, mlb.mlb.com. |
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Entertainment |
Sites related to television, movies, music and video (including video on demand), such as program guides, celebrity sites, and entertainment news.
E.g., www.ctitv.com.tw, www.hboasia.com, www.startv.com.tw. |
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Personal Sites |
Sites about or hosted by personal individuals, including those hosted on commercial sites.
E.g., blog.yam.com, www.wretch.cc, blog.xuite.net. |
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Travel |
Sites that provide travel and tourism information or online booking of travel services such as airlines, accommodations, car rentals. Includes regional or city information sites.
E.g., www.startravel.com.tw, taipei.grand.hyatt.com.tw, www.car-plus.com.tw. |
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Information
and Education |
Computers & Technology |
Sites that contain information about computers, software, hardware, IT, peripheral and computer services, such as product reviews, discussions, and IT news.
E.g., www.informationsecurity.com.tw, blog.ithome.com.tw. |
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Government |
Sites run by governmental organizations, departments, or agencies, including police departments, fire departments, customs bureaus, emergency services, civil defense, counterterrorism organizations, military and hospitals.
E.g., www.ey.gov.tw, www.whitehouse.gov, www.npa.gov.tw. |
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News |
Sites covering news and current events such as newspapers, newswire services, personalized news services, broadcasting sites, and magazines.
E.g., www.tvbs.com.tw,www.ebc.net.tw,www.iset.com.tw. |
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Religion |
Sites that deal with faith, human spirituality or religious beliefs, including sites of churches, synagogues, mosques and other houses of worship.
E.g., www.fgs.org.tw, www.twtaoism.net, www.fhl.net. |
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Cults |
Sites relating to non-traditional religious practice typically known as "cults," that is, considered to be false, unorthodox, extremist, or coercive, with members often living under the direction of a charismatic leader.
E.g., www.churchofsatan.com, www.ccya.org.tw. |
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Health & Medicine |
Sites containing information pertaining to health, healthcare services, fitness and well-being, including information about medical equipment, hospitals, drugstores, nursing, medicine, procedures, prescription medications, etc.
E.g., www.lksf.org, www.ohayo.com.tw. |
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Non-profits & NGOs |
Sites devoted to clubs, communities, unions, and non-profit organizations. Many of these groups exist for educational or charitable purposes.
E.g., www.tzuchi.org.tw, web.redcross.org.tw, www.lksf.org. |
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Sex Education |
Sites relating to sex education, including subjects such as respect for partner, abortion, gay and lesbian lifestyle, contraceptives, sexually transmitted diseases, and pregnancy.
E.g., apps.rockyou.com, www.howmama.com.tw, www.mombaby.com.tw. |
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Education |
Sites sponsored by educational institutions and schools of all types including distance education. Includes general educational and reference materials such as dictionaries, encyclopedias, online courses, teaching aids and discussion guides.
E.g., www.tfam.museum, www.lksf.org, www.1980.org.tw.. |
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Information Security |
Sites that provide legitimate information about data protection, including newly discovered vulnerabilities and how to block them.
E.g., www.informationsecurity.com.tw, www.itis.tw. |
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Politics |
Sites that promote political parties or political advocacy, or provide information about political parties, interest groups, elections, legislation or lobbying. Also includes sites that offer legal information and advice.
E.g., www.kmt.org.tw, www.dpp.org.tw, cpc.people.com.cn. |
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Translators |
Sites that translate Web pages or phrases from one language to another. These sites may be used to attempt to bypass a filtering system.
E.g., translate.google.com.tw, www.smartlinkcorp.com, translation.paralink.com. |
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Other
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General |
Sites that do not clearly fall into other categories, for example, blank Web pages.
E.g., bs.serving-sys.com, simg.sinajs.cn, i0.itc.cn. |
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Network Errors |
Sites that do not resolve to any IP address. |
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Private IP Addresses |
Sites that are private IP addresses as defined in RFC 1918, that is, hosts that do not require access to hosts in other enterprises (or require just limited access) and whose IP address may be ambiguous between enterprises but are well defined within a certain enterprise.
E.g., 172.21.20.123, 192.168.35.62. |
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Unknown |
Unknown
E.g., www.669.com.tw, www.appleballoon.com.tw, www.uimco.com.tw. |
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