[ntp:questions] server's address in ntp payload?

Danny Mayer mayer at gis.net
Fri Nov 18 02:29:17 UTC 2005


Ulisses wrote:
> Hello all
> 
> I have take a look at ntp_request.h and I found that ntp doesn't put the the ip
> address of the remote server being used in the request. That is, in the
> ntp payload you can obtain the addresses of the peers and reference clocks of the
> server but not the address of the server itself, and therefore the only way
> to get the address of the server is looking at the IP header.
> 
> Am I wrong?
> 

No you are not wrong, but why would you want to? Are you asking about
the server sending the packet? We already know the IP address of the
sending server. The recvfrom() code returns that information so you need
not explicitly look at the header, recvfrom does that implicitly.

Danny

> Thanks in advance
> 
> 	Ulisses
> 
>                 Debian GNU/Linux: a dream come true
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> 
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