Zabbix Cannot Write To Ipc Socket Broken Pipe Guide

audit2allow -a -M zabbix_ipc semodule -i zabbix_ipc.pp Proxies often log cannot write to IPC socket when the main server is unreachable, and the local proxy processes start failing internally.

This error indicates that a Zabbix process (usually the server or proxy) has lost communication with another internal process via an Inter-Process Communication (IPC) socket. In simpler terms: one part of Zabbix tried to talk to another, but the other end closed the connection. zabbix cannot write to ipc socket broken pipe

TmpDirectory=/dev/shm/zabbix Create the directory and set proper permissions (chown zabbix:zabbix). While IPC sockets aren’t network sockets, SELinux policies can still block process communication. audit2allow -a -M zabbix_ipc semodule -i zabbix_ipc