C2T2 -- X from older RedHat install, external WWW access

[Alan Cox]

On Thu, Apr 01, 2004 at 04:02:00PM -0500, Darryl Gamble wrote:
> 1.  Trying to start an xterm on fedora_test from an old RedHat 7.2 
> installation.   I get the message:
> "xterm Xt error: Can't open display <fedora_test>:0"

Gdm defaults to running X with tcp disabled, so that local or ssh
secure forwarding are the only choice.

> Is this an X authentication error related to having older versions 
> writing to Xauth?   Is there an easy fix for it?

gdmconfig 

> 2.  Access to external web sites fails.   Web sites on the same subnet 
> work alright and I am able to ping external web site names.
> I am currently using kernel 2.6.3-2.1.253.2.1 and can not get external 
> access.  Can someone help me out and point me in the right direction?

Check the default route is set right, if it seems to be then turning off
ECN might give some clues. As might tcpdump