To check whether or not an RS-232 serial port is working, perform an RS-232 loopback test by doing the following: If your serial port is not female, convert it by taking a female/female cable or gender changer and plugging it into the serial port. Take a metal paperclip or wire and cross pins 2 and 3.
Test your SSL POP3 Mail Server Test your SSL POP3 Mail Server. Hostname or IP. The hostname or IP of the POP3 service to be monitored Yes No. Whether to use SSL/TLS encryptiopn (port 995) or not (port 110) TCP port. TCP port the POP3 server is listening on. Defaults to 110, or 995 for SSL-enabled connections. Start POP3 Test Abort Test Broadband and Wi-Fi Internet Speed Test | Verizon Fios The definitions for the terminology used in the speed test can be found below. Download Speed: The speed of the connection when downloading from the Internet to your computer. Upload Speed: The speed of the connection when uploading data from your computer to another computer somewhere on the Internet. Latency: A synonym for delay, latency is an expression of how much time it takes for a Automatic Firewall Tester - Shield Check
How to Check for Ports in Use in Windows 10 - Make Tech Easier
Automatic Firewall Tester - Shield Check Check your firewall on-demand or automatically. I created these FREE tests because my firewall stopped working and I didn't find out for days. I wanted to be notified if it ever failed again. They are especially useful if you use public Wi-Fi.
Port Scanners / WhatsMyIP.org
If you would like to simply generate some event traffic on your computer to test the event notification dialog and see some events in the log choose the simple probe. If you would like the server to check a list of common ports on your computer to determine if it is able to obtain a connection to them use the port scan. Simple Probe: Port Scan: Using telnet to Test Open Ports | The Complete How-To