Connect to a TCP port and read the initial service greeting banner.
Enter a hostname and port number to grab the service banner
Service Banner Grabber connects to a TCP port and reads the initial greeting sent by the service. Most network daemons identify themselves on connect: SSH servers return their version string, SMTP servers return a 220 greeting with hostname and software, FTP servers return a welcome message. This is useful for service fingerprinting, verifying that the right software is listening on a port, and checking for version exposure. The tool uses a 5-second connection timeout.
Sent to our server: Hostname and Port. We connect to it. For mail ports, part of this work runs on our own server. To stop abuse, we have to keep a count of your checks for up to 90 minutes; then it is deleted. Also added to the page link, so you can share the result: Hostname and Port.