[CentOS] Understanding iptables
William L. Maltby
CentOS4Bill at triad.rr.com
Thu Jul 10 22:59:23 UTC 2008
On Thu, 2008-07-10 at 15:40 -0700, MHR wrote:
> On Thu, Jul 10, 2008 at 3:17 PM, Barry Brimer <lists at brimer.org> wrote:
> > Quoting MHR <mhullrich at gmail.com>:
> >> system-config-securitylevel-tui to open up ports 513 and 514, but that
> >> doesn't seem to do the job, either.
> > I could be remembering this wrong, but I believe these are udp, not tcp.
> > Barry
> According to http://www.spirit.com/Resources/ports.html, the udp
> services on those ports are who and syslog....
>From the authoritative /etc/services
who 513/udp whod
shell 514/tcp cmd # no passwords used
Just thought you should know that you have this and /etc/protocols
locally so you don't have to trust some unknown website.
And it's faster to lookup locally, of course.
> <snip sig stuff>
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