[CentOS] Internet access not working on CentOS but on Windows when travelling

[John Doe]

From: Mathieu Baudier <mbaudier at argeo.org>
> I'm currently travelling (in south-eastern Europe) with a netbook
> (Samsung NC 10) running CentOS 5.4 i386.
> I frequently try to access internet from bars or hotels (mostly via wireless).
> Although it works pretty often, it happens quite regularly that in
> some hotels I cannot access internet from CentOS while it is possible
> from Windows.
> This is the case in the hotel where I am currently and I'd like to dig
> this further.

While you cannot access websites, did you test with their IPs instead?
Also try a traceroute.

JD