treasure-data/td-agent — pull request #64 by jon-stumpf (2014-10-06 20:25:14+00:00)
Title: Added PRIVBIND to permit configurations requiring reserved ports (< 1024...

I added the use of privbind to permit configurations that require the use of reserved ports (< 1024). privbind allows non-root users to open reserved ports by escalating privilege to ONLY open reserved ports - nothing else (unlike seteuid(root)).

- jss

Ref:
http://www.linuxcertif.com/man/1/privbind/