Usage of TCP/53
barmar at alum.mit.edu
Thu Sep 28 23:52:49 UTC 2006
In article <efh80i$2m70$1 at sf1.isc.org>,
"Dan Mahoney, System Admin" <danm at prime.gushi.org> wrote:
> As an aside, I really wish certain other protocols worked like this (SNMP,
> specifically). I notice the services file for my OS has TCP/UDP entries
> for a LOT of things that will NEVER use UDP -- anyone have any idea why?
They're placeholders. The idea was to allow for the possibility of the
protocol evolving to use UDP; if this ever happens, they wanted to use
the same port.
If port numbers start becoming in short supply, I expect they'll release
some of these that are obviously never going to happen.
Barry Margolin, barmar at alum.mit.edu
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
More information about the bind-users