Re: ntp/ntpdate and NAT

[mlelstv%serpens.de@localhost (Michael van Elst)]

tlaronde%polynum.com@localhost writes:

>If I understand correctly, the time offset are computed taking into 
>account the time the ICMP messages spent going from a time server to the
>client requesting it. But does a NAT rewrite happening in between have
>an impact on this computation? since both ends are unaware of the
>masquerading and the time server could give informations related to the
>delta to the gateway and not to the whole path till the client?

NTP doesn't use ICMP but UDP and client and servers exchange time
information directly within the NTP protocol. The gateway is
nothing more than a router in the path that causes some delay,
with NAT or without.