Zabbix is a popular open-source monitoring tool used to track and analyze the performance of various systems, networks, and applications. It uses a variety of protocols, including UDP (User Datagram Protocol), to communicate between the Zabbix agent and the server. However, sometimes users may encounter errors, such as "cannot write to IPC socket: Broken pipe" when using UDP with Zabbix. In this essay, we will explore the causes and solutions of this error.