Top Receivers with the Most Failed Connections

Top Receivers with the Most Failed Connections report reveals devices that received the highest number of unsuccessful TCP connection attempts, or SYN packets.

Unsuccessful connections (incomplete TCP handshakes) can imply port scanning, penetration testing, and methods used by security testers or hackers to find potential intrusion points on a network. Large numbers of these half-open or incomplete connections can also denote an attempt at a denial of service (DoS) attack.

Several report columns do not appear by default and can be configured to display in this report. You can display the following additional report columns:

Tip: To show reports in full screen with most if not all possible columns, click on report options (Report_Options ) menu and choose Expand (Full_Screen_Transparent).

Generate a report

Choose source. , Choose a networking device or single physical or virtual interface you want to see Top Receivers with the Most Failed Connections measurements for. Choose traffic direction across an interface.

Choose time constraints. DateRange Choose times for the Top Receivers with the Most Failed Connections. (Subject to NTA collection interval and retention policies.)

Choose, filter, and reorder columns. Choose and hide columns, reorder columns, and apply advanced filters to customize your data view.

Chart, adjust output, and visualize. WUG17.0N-SP2-REPORTS-SETTINGS-IMG Apply chart, geo mapping (World Map), and display options in Report Settings WUG17.0N-SP2-REPORTS-SETTINGS-IMG dialog (optional).

Export report data

Report data can be exported from WhatsUp Gold, reused, and distributed in multiple formats. Select Expand (Full_Screen_Transparent) from the Dashboard Options (DasboardOptions) menu. After the report has been expanded, select the Export Data icon to access the following options:

See Also


Top Receivers

Top Receiver ASN

Top Receiver Cities

Top Receiver Domains

Top Receiver Groups

Top Receiver TLDs

Top Receivers with the Most Conversation Partners

Top Receiver Countries