test Graylog GELF UDP input from Bash

for i in {1..100} ; do echo '{"version": "1.1","host":"david.org","short_message":"A short message that helps you identify what is going on","full_message":"Backtrace here\n\nmore stuff","level":1,"_user_id":9001,"_some_info":"foo","_some_env_var":"bar"}' | nc -w 1 -u graylog.mydomain.com 12201 ; done   nJoy 😉

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fixing permission denied issue with udp 512 port graylog

use iptables to pre-route NAT the udp port :   iptables -A PREROUTING -t nat -i eth0 -p udp –dport 514 -j REDIRECT –to-port 10515   This will bypass the limit in the OS to ports < 1024 to non=root users . nJoy 😉  

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