Re: Opening Ports in Leopard
Re: Opening Ports in Leopard
- Subject: Re: Opening Ports in Leopard
- From: M Pulis <email@hidden>
- Date: Tue, 18 Nov 2008 02:34:47 -0700
I seem to recall reading somewhere Apple recommending apps not using
low port numbers to maintain compatibility.
You may want to consider using a different port - unless you are
implementing a ntp.
At least test with a different (high range) port number. If it
works... well, OSX could (finally) be keeping "123" for itself (or an
ntp task) in the event that date & time _might_ be turned on at some
time. Tiger may have allowed it, but not as a good idea.
You could try a port scan to see if something else is using 123.
Do you get an error opening 123?
Gary
On Nov 18, 2008, at 12:16 AM, Gerriet M. Denkmann wrote:
On 17 Nov 2008, at 22:41, Derek Chesterfield wrote:
There shouldn't be anything to open.
The Leopard application firewall should automatically allow
packets that are responding to your query.
Could you suggest anything else to try?
Andrew Farmer wrote:
Do you have network time synchronization turned on already (in the
Date and Time prefpane)? The built-in ntpd uses that port, so
you'll need to either disable that or use another port.
ntpd is turned off. (I just checked again in System Preferences).
On 17 Nov 2008, at 12:40, Gerriet M. Denkmann wrote:
I am trying to move a Cocoa app from Tiger to Leopard.
This program wants to send and receive on port 123 (Network Time
Protocoll) but it never gets no answers on Leopard.
On TIger there was a firewall, where I could open port 123 in
System Preferences.
How can I do this in Leopard?
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