nginx doesn't response any request

[rock]

[root at localhost nginx]# uname -a
Linux localhost.localdomain 2.4.21-37.EL #1 SMP Wed Sep 7 13:32:18 EDT
2005 x86_64 x86_64 x86_64 GNU/Linux

[root at localhost nginx]# ./nginx -v
nginx version: nginx/1.0.15

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,226053,226160#msg-226160