Socket monitoring also enables you to monitor services such as POP3, SMTP, SSH or e.g. MYSQL. Simply enter the
host and the corresponding
port. We try to establish a connection to the
port in the time you have specified. If that fails, for example because the service was not started or canceled, you will receive the desired alert.
Here we answer questions about server monitoring from Livewatch. If you have a question that we have not yet answered here, please contact us.
A “Socket Check” or “Port Validation” refers to checking the reachability and status of a network socket or port on a specific server or device. A network socket is an endpoint address on a network identified by a combination of IP address and port number. Ports are used to differentiate different services on a server.
A socket check can include various aspects:
Port Status: Check whether a specific port is open or closed on a server. An open port means that the server can accept connections on that port.
Reachability: Check whether the network socket is reachable, meaning that it can be reached by other devices on the network. This is often done by attempting a network connection to the appropriate port on the server.
Protocol Validation: Check whether the port supports the expected network protocol. For example, a socket check could ensure that a specific port uses the HTTP protocol for web services.
Socket checks are useful for ensuring that certain services or applications on a server are functioning properly and can be reached by other systems on the network. Here are some use cases:
Service monitoring: Network administrators can use socket checks to ensure that important services such as web servers (port 80 for HTTP), email servers (port 25 for SMTP), or databases (port 3306 for MySQL) are running properly running and accessible.
Security Checks: Socket checks can also be used for security checks to ensure that unnecessary ports are closed and only those that are actually needed are opened.
Troubleshooting: For network problems, socket checks can help determine whether a specific port on a server is causing the problem.
Network monitoring tools and services often provide socket check capabilities that allow administrators to monitor the availability and status of ports. There are also command line tools such as
telnet or specialized network monitoring software that can perform such checks.
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