Mathieu Baudier wrote:
> Hello,
>
> 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.
>
> To be more precise:
> - in such cases, connecting to the wireless network itself works
> (using NetworkManager)
> - this is when I try to open a web page in Firefox that after a while
> I get a "page not found exception"
> - there is no problem on a Windows XP which is also installed on the computer
> - Fedora 12 has the same issue as CentOS
> - I suspect that in such cases the network is configured in a
> windows-specific / non-standard manner (but I had the pb often enough
> to justify addressing it): I installed Samba and started the winbind
> service, but it did not help (I know pretty much nothing about Windows
> networking but doing this already did some magic for me in other
> contexts...)
> - there are many places where I could connect with CentOS and wireless
> without any problem, and it also work in my wireless network back
> home, so my CentOS config is OK
> - interestingly, my google phone (G1 running Android 1.6) could access
> internet via the wireless network of the hotel where I am currently
> (while CentOS and Fedora can't)
>
> Did anyone already face such an issue?
> Any idea how I could analyze further?
> Or what I could try?
>
> This is not a big deal since I can always reboot to check internet,
> but all the software I use for my work are on CentOS, so it would be
> much more practical if I could reliably access internet from it as
> well.
Check your dns settings after the network comes up. It sounds like
networkmanager is not rewriting /etc/resolv.conf with the servers picked up from
the local dhcp service. If you are running your own DNS server, it may be that
some places block direct access to port 53.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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