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CentOS 8 - How to bind logstash on port 514

The situation: you need to send logs from an old piece of equipment to logstash running on a CentOS 8, for storing your logs on ElasticSearch. The problem The device is old and doesn’t support changing the default syslog port from 514/udp to something different, like port 5140/udp. Unfortunately this can happen, for example on virtual appliances like ZeroShell, where there’s no way to change the syslog port from the default one, but there’s a quick solution to this!...

November 28, 2021 · Marco