Fastream Technologies wrote:
> Ports < 1024 require admin rights on most OS. Never used Mac OS X but
> maybe it has a mechanism similar to UAC(?)

As I wrote, I tried sudo open which is similar as starting a process
As Administrator on Windows.

-- 
Arno Garrels


> Best Regards,
> 
> SZ
> On Thu, Nov 3, 2011 at 18:17, Arno Garrels <arno.garr...@gmx.de>
> wrote: 
> 
>> Hi,
>> 
>> I'm currently porting the TFtpServer to OS X.
>> I get error EACCESS on the attempt to bind a socket to port 21 on
>> the Mac, higher port numbers work fine.
>> 
>> So I searched the internet and found this:
>> "When the address type of the socket identified by the
>> socket_descriptor is AF_INET, the thread must have retrieve, insert,
>> delete, and update authority to the port specified by the
>> local_address field. When the thread does not have this level of
>> authority, an errno of EACCES is returned." 
>> 
>> Nice, but does anybody know how to get the required permission?
>> I started the app with sudo from the terminal but that didn't work
>> either. Firewall is turned off.
>> 
>> --
>> Arno Garrels
>> 
>> --
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