On Sep 6, 5:26 am, maomao wrote:
> On 9月6日, 上午2时07分, Jan Gerrit Kootstra
> wrote:
>
>
>
> > maomao schreef:> My system is Red Hat enterprise Server 5.But after installation,I
> > > found that the browser couldn't open web pages outside the LAN.But I
> > > can ping the sites successfully and can open web pages inside the LAN..

>
> > > What's the reason and what should I do?

>
> > Maomao,

>
> > Does your network allow http traffic outside the LAN?

>
> > Can PC open websites by a browser outside the LAN?

>
> > Does your network have firewalls and do you manage them or someoneelse?

>
> > Kind regards,

>
> > Jan Gerrit Kootstra

>
> Thanks Jan.
> I think the network is fine,because another PC using Vista can visit
> the internet with my IP.
> I've tried many sites including google or Yahoo.
>
> Are there other reasons?
>
> Thanks for your time.
>
> Best regards!
>
> Maomao


Have you checked your resolv.conf?
can you ping google.com?
can you show your route tabe?

Regards,
Luís Santos