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 ( ) menu and choose Expand ().
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.
Chart, adjust output, and visualize. Apply chart, geo mapping (World Map), and display options in Report Settings dialog (optional).
Report data can be exported from WhatsUp Gold, reused, and distributed in multiple formats. Select Expand () from the Dashboard Options () menu. After the report has been expanded, select the Export Data icon to access the following options:
Important: Current report data file format options are only applicable to export schedules created using WhatsUp Gold version 2021 and later. Any report data export schedule created using an earlier version of WhatsUp Gold will still result in a .PDF output until that schedule is removed from, then recreated in the Scheduled Reports Library using the latest version of WhatsUp Gold.