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Frequently Asked Questions

How does Bro detect intrusions?

Bro Intrusion Detection System - Bro FAQ
Bro analyzes network traffic against rules describing what sort of activity is deemed troublesome. These rules might describe restrictions on activity (e.g., only certain hosts can connect to certain services), policies regarding what activity is worth alerting (e.g., attempts to a given number of different hosts constitutes a "scan"), or signatures describing known attacks or access to known vulnerabilities.
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Will Bro catch all intrusions?

Bro Intrusion Detection System - Bro FAQ
No. Nothing can catch all intrusions. Intrusions are devised and executed by intelligent people who are often actively trying to avoid detection. A skilled attacker might be using little known techniques that are very difficult to detect. However, experience has shown that most intrusions are attempted by intruders who use standard, well-know techniques that they have learned from others. Usually Bro can detect these.
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How does Bro analyze the traffic?

Bro Intrusion Detection System - Bro FAQ
First Bro filters the traffic, discarding elements of minimal important to its analysis. The remaining information is sent to its "event" engine, where Bro interprets the structure of the network packets and abstracts them into higher-level events describing the activity. Finally, Bro executes policy scripts against the stream of events, looking for activity that the rules indicate should generate alerts or actions, such as possible intrusions.
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What is BRO?

BRO - Frequently asked questions
The application is an online, one stop, self serve application that allows a user to register for a new Business Number, as well as for four major CRA programs (Corporate Income Tax, Goods and Services / Harmonized Sales Tax, Payroll Deductions, and Import / Export accounts). One can also register or apply for new Ontario, Nova Scotia and British Columbia program accounts.
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Bro Intrusion Detection System - Bro FAQ
A Unix based network based Intrusion Detection System (IDS) developed by Vern Paxson at Lawrence Berkeley National Lab and the International Computer Science Institute.
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Why does Bro need a special language?

Bro Intrusion Detection System - Bro FAQ
Bro's language is geared towards network analysis in general and security analysis in particular. It understands network notions such as "connections", "IP addresses", "ports", and various network protocols. Its operators and functions are designed to ease the task of expressing different forms of network analysis.
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Why does a colonoscopy detect more cancers than other methods?

Weiss Memorial Hospital - Colon Cancer FAQ
A colonoscopy examines the entire length of the lower bowel, and provides the opportunity to remove and biopsy polyps.
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What does it detect?

Heart & Vascular Institute: Frequently Asked Questions About...
The scan will detect the volume and density of coronary calcium deposits in the patient's coronary arteries.
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If a Malakite resonates a person controlled by a Shedite, who does he detect?

In Nomine Frequently Asked Questions - Celestials
Generally, the controlling personality, which is the Shedite. On a particularly good roll with a particularly good check digit - or a Divine Intervention - the GM may want to give results for both the host and the demon.
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How does ThunderBolt detect lightning?

Frequently Asked Questions
Lightning is the flow of huge amounts of electrical current within a storm. These currents can range from several thousand amps, all the way up to 250,000 amps. (For comparison, a typical household circuit carries 10-20 amps of current.) The ThunderBolt has a high sensitivity receiver/amplifier that captures a specific frequency in the electromagnetic noise produced by these huge flows of electric current.
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How does Smart Bro compare to PLDT myDSL?

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Both Smart Bro and PLDT myDSL are high speed broadband internet services, and offer basically the same experience (for plans at the same speeds). PLDT myDSL utilizes PLDTâ??s telephone lines to deliver internet service, while Smart utilizes its cellular network.
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What is Smart Bro?

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Smart Bro is the amazing wireless broadband service from Smart. It is a high-speed broadband internet connection that uses the nationwide cellular network of Smart to wirelessly deliver internet service to a subscriberâ??s PC. The "wireless" connection is from the nearest Smart Cellular Base Station to the subâ??s location where a Smart Bro antenna will be installed. There will still be in-house cabling from the antenna to the subâ??s PC.
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What are the benefits of BRO?

BRO - Frequently asked questions
One Stop Service - Businesses can register on-line for key programs with more than one level of government in the same session. This saves time and duplicated effort. Convenient - Service available from your home and office anywhere in Canada well past normal business hours, and on Saturdays. Easy-to-Use - Businesses answer questions that guide them through the registration process. Helpful features, such as pop-up messages are displayed when missing or incorrect information is entered.
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How does DTMF Detect mode work?

BNC | FAQ | Model 625/630/632 | Frequently Asked Questions (...
Signals inserted into the External Modulation In connector are interpreted and the results displayed on the 625A"s front panel and sent to the RS232 port.
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What drugs does the device detect?

FAQ
The test device will detect the most commonly used drugs including amphetamines, cocaine, marijuana, methamphetamines, opiates, and PCP. In the future, benzodiazepines will also be available.
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How many viruses does NOD32 detect?

NOD32 antivirus "de beste" FAQ
Since use of heuristics extends the detection capabilities beyond a specific set of known viruses, there is no exact total number of viruses detected by NOD32. Of course, there is no antivirus program that detects absolutely all viruses in the world. To improve detection of not yet known viruses, NOD32 uses a sophisticated heuristic techniques. If you find a suspicious file which is not reported by NOD32 as infected, please send it to samples@eset.com for analysis.
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My counter does not detect referrers, why?

FlowCounter.com - Free customizable web counter with visitor...
Our counter does not support frames, which is probably how your website is built up. You will have to place the counter on a page outside your frame layout, or pop it up in a separate window.
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How does StormTracker detect lightning?

StormTracker - FAQs
StormTracker detects the low frequency radio signals produced by lightning's electrical discharge. This signal is the crackling you hear on an AM radio when thunderstorms are nearby. These signals travel for hundreds of miles and are detected by StormTracker's antenna.
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How does ArrayStat detect outliers?

ArrayStat FAQ: Imaging Research Inc.
ArrayStat's approach to outliers is fine-tuned to whether the user selects a small-sample or a pooled-error approach. To test for outliers in the small-sample approach, each set of replicates within a condition is considered as a separate sample. A spread/deviation statistic (if the number of replicates per condition is 3 or 4) or the sample kurtosis (if the number of replicates per condition is 5 or greater) is used to determine which data points depart significantly from a normal distribution.
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How does WiSentry detect AP's?

WiSentry FAQ
WiSentry has a central control server with distributed detection agents. The detection agents are small (350k) services that run on PC's that are already installed on the wired network. These agents passively monitor network traffic for 'fingerprints' of wireless devices and report back to the central control server to trigger rules-based alerts. No, WiSentry detects devices and does not interfere with or require any specific authentication or encryption.
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What Spyware does NetCop detect?

NetCop Anti Spy Software - Frequently Asked Questions
NetCop currently detects a large number of commercial and free spyware applications. We currently employee 5 full time specialists that continue to add definitions to your detection routine around the clock.
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What does DIMI best detect?

Frequently Asked Questions
The research published in medical journals (www.meditherm.com), suggest DIMI is terrific in clarifying infrared heat emission. Abnormal emission correlates to problems in the sympathetic portion of the autonomic nervous system. These problems often manifest as pain syndromes, or neurological conditions in the torso, arms, legs and, face.
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How does MailWatch detect attachments?

Mailwatch
After receipt, the message is broken down recursively into its component parts. These components may be encoded (i.e. UUENCODE, BinHEX, MIME), compressed (i.e. PKZIP, ARC, CAB, AR),. If the component represents an archive, such as a PKZIP file, MailWatch will extract and process each file until it is recognized as a raw data type. Examples of raw data include text files, bitmaps, binary files and executables.
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How does BioPRYN detect pregnancies?

Sheep and Goat BioPRYN Frequently Asked Questions
BioPRYN? evaluates the blood (more specifically, the serum or plasma) of ruminants for a protein called Pregnancy Specific Protein B (PSPB). PSPB is produced by the placenta, and therefore pregnant animals will have the protein in their blood. This makes the test more accurate than earlier attempts at pregnancy diagnosis that evaluated blood or milk for progesterone or other hormones that can occur in normally cycling animals.
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What does VISTA detect during a scan?

V Asked Questions
The scanner maps your network by running scans and checks on all specified parts of your IP-based networks. The scan maps servers, workstations, routers, firewalls, switchers, printers, hubs, and other network appliances into easy-to-understand tables and charts. Since we are IS auditors, we are available to answer your overall security questions and help you understand the possible exposure to your institution.
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Frequently asked questions - Medick Healthcare
If you would like to know the answer to any of the questions listed here, click on the question to reveal the answer.
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