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port scanning

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Sending queries to servers on the Internet in order to obtain information about their services and level of security. On Internet hosts (TCP/IP hosts), there are standard port numbers for each type of service. Port scanning is also widely used to find out if a network can be compromised. See well-known port. See also port mirroring.

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well-known port

These include an integral Stateful Inspection Firewall with NAT, as well as blockage of Denial of Service, port scanning, and web spoofing attacks.

Allied Telesis Unveils New Range of Multiservice Residential Gateways by Business Wire

Enhanced Information Gathering--IMPACT's unique Rapid Penetration Test (RPT) now leverages IMPACT's fast port scanning engine to perform network discovery utilizing a variety of TCP ports, improving the chances of successful host detection in situations where network filtering is in place.

Core Security Technologies Further Simplifies Client-Side Penetration ... by Business Wire

Abington also uses ReporterAnalyzer's Flow Forensics feature, which tracks 100 percent of all flow traffic on the network to identify denial of service attacks, port scanning, or unauthorized server activity.

Abington Memorial Hospital Engages NetQoS to Improve Network Health; ... by Business Wire

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