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Managed CPE

Available to CRT managed customers, this solution is ideal for companies with remote offices who wish to avoid the high cost of sending a technician or for companies who cannot afford to employ an Internet specialist to configure and support their solution. As a Managed CPE customer, you will gain from numerous program benefits, such as: router configuration; log-on and password maintenance; remote management of your router; and, on-site router installation and replacement. Not only will we replace your router, we promise to do so within 24 hours. This is in addition to the standard services you receive from CRT's customer support that includes a designated remote install engineer, 24 x 7 monitoring, and CPE testing and router configuration.

CRT Firewall

This is a value-added managed security service for customers using our Dedicated connectivity service. It provides a perimeter defense for your company's computer network without complicated, costly changes to the equipment or systems on your network. Firewall may be configured to provide a range of detection and blocking functions, including:

Scan Detection (probes): The System automatically detects and blocks port scanning tools to deny information to hostile outsiders. Address space scanning, used to map internal networks, can also be automatically detected and blocked. Event logfiles then trigger notification of such probes to system administrators.

Spoofing Detection: The System fully protects internal hosts against spoofing by hostile external hosts. Anti-spoofing rules are derived from the local network configuration.

Site Blocking: The System maintains a database of blocked IP and network addresses. This is used to prohibit certain Internet addresses from ever appearing or to completely cut-off contact from "hacker sites."

Port Blocking: The System can block dangerous ports in TCP and UDP services. Default ports blocked include NFS (port 2049) and X-Windows (ports 6000-6005). Other ports can be specified and blocked as desired.


This service provides traveling employees or telecommuters with a secure connection to the corporate network. Because it uses the Internet to eliminate expensive long-distance charges, this solution is extremely cost-effective. Remote User VPN also eliminates the need for you to maintain dedicated modem banks and costly remote access servers. CRT VPN relies on Point-to-Point Tunneling Protocol (PPTP), a widely accepted standard. A "tunnel" created between the remote host and the main office allows all traffic to flow securely across the Internet. Windows NT and Windows XP workstations come equipped with PPTP or are PPTP-ready. The PPTP tunnel is established using the Dial-Up Networking dialogue on a Windows workstation. Remote users are authenticated using MS-CHAP against a user/password list maintained at CRT. MS-CHAP relies on a challenge-response mechanism that ensures the client's password is never passed across the Internet. Once the tunnel has been established, all data exchanged between the main office and remote client is encrypted using RSA RC4 encryption standards. CRT decrypts and filters each packet received from the remote client according to the configured rules of the Firewall.

CRT Monitoring

This service makes sure that your connection to the Internet is available and responsive at all times. CRT does this by regularly monitoring the state of configured resources, without the use of agents. When failures occur, CRT will notify administrators in any combination of pagers, beepers, digital phones, e-mail, and network broadcasts. CRT Monitoring will help you to maximize your investment in network hardware and connectivity by constantly ensuring the highest levels of performance and reliability possible.


The Domain Name System (DNS) is a distributed Internet directory service. DNS is used primarily to translate between domain names and IP addresses, and to control Internet email delivery CRT DNS Service is a value-added service for organizations that need Primary and Secondary DNS for their domains.

CRT Content Control

Internet content filtering allows businesses to create and enforce Internet access policies tailored to the needs of the organization. The administrator selects categories to block, such as pornography or racial intolerance from a pre-defined list. CRT also supports customization of the Content Filter List, so sites may be added to the list to be blocked, or access to blocked sites granted. CRT utilizes a Filter List that is managed by Microsystems' CyberNOT Oversight Committee to block access to sites which have been classified to fall within the following categories

Violence/Profanity (graphics or text)
Pictures or text exposing extreme cruelty, or physical or emotional acts against any animal or person which are primarily intended to hurt or inflict pain. Obscene words, phrases, and profanity is defined as text that uses, but is not limited to, George Carlin's 7 censored words more often than once every 50 messages (Newsgroups) or once a page (Web sites).

Partial Nudity
Pictures exposing the female breast or full exposure of either male or female buttocks except when exposing genitalia. (Excludes all swimsuits, including thongs.)

Full Nudity
Pictures exposing any or all portions of the human genitalia. Excluded from the Partial Nudity and Full Nudity categories are sites containing nudity or partial nudity of a wholesome nature. For example: Web sites containing publications such as National Geographic or Smithsonian Magazine. Or sites hosted by museums such as the Guggenheim, the Louvre, or the Museum of Modern Art.

Sexual Acts (graphics or text)
Pictures or text exposing anyone or anything involved in explicit sexual acts and or lewd and lascivious behavior, including masturbation, copulation, pedophilia, and intimacy involving nude or partially nude people in heterosexual, bisexual, lesbian or homosexual encounters. Also includes phone sex ads, dating services, and adult personals, CD-ROM's, and videos.

Gross Depictions (graphics or text)
Pictures or descriptive text of anyone or anything which are crudely vulgar or grossly deficient in civility or behavior, or which show scatological impropriety. Includes such depictions as maiming, bloody figures, or indecent depiction of bodily functions.

Intolerance (graphics or text)
Pictures or text advocating prejudice or discrimination against any race, color, national origin, religion, disability or handicap, gender, or sexual orientation. Any picture or text that elevates one group over another. Also includes intolerant jokes or slurs.

Satanic/Cult (graphics or text)
Pictures or text advocating devil worship, an affinity for evil or wickedness, or the advocacy to join a cult. A cult is defined as: A closed society that is headed by a single individual where loyalty is demanded and leaving is punishable.

Drugs/Drug Culture (graphics or text)
Pictures or text advocating the illegal use of drugs for entertainment. Includes substances used for other than their primary purpose to alter the individual's state of mind, such as glue sniffing. This would exclude currently illegal drugs legally prescribed for medicinal purposes (e.g., drugs used to treat glaucoma or cancer).

Militant/Extremist (graphics or text)
Pictures or text advocating extremely aggressive and combative behaviors, or advocacy of unlawful political measures. Topics include groups that advocate violence as a means to achieve their goals. Includes "how to" information on weapons making, ammunition making, or the making or use of pyrotechnics materials. Also includes the use of weapons for unlawful reasons.

Sex Education (graphics or text)
Pictures or text advocating the proper use of contraceptives. This topic would include condom use, the correct way to wear a condom and how to put a condom in place. Also included are sites relating to discussion about the use of the Pill, IUD's, and other types of contraceptives. In addition to the above, this category will include discussion sites on discussing diseases with a partner, pregnancy, and respecting boundaries. Excluded from this category are commercial sites wishing to sell sexual paraphernalia.

Questionable/Illegal Gambling (graphics or text)
Pictures or text advocating materials or activities of a dubious nature which may be illegal in any or all jurisdictions, such as illegal business schemes, chain letters, copyright infringement, computer hacking, phreaking (using someone's phone lines without permission), and software piracy. Also includes text advocating gambling relating to lotteries, casinos, betting, numbers games, on-line sports, or financial betting, including non-monetary dares.

Alcohol & Tobacco (graphics or text)
Pictures or text advocating the sale, consumption, or production of alcoholic beverages and tobacco products.

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