ЧПУ и 404 ошибка

[Fri Oct 09 19:36:15 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/cat/16/1[dot]html
[Fri Oct 09 19:36:15 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/cat, referer: http://auto[dot]ezeserv[dot]com/cat/16/1[dot]html
[Fri Oct 09 19:35:31 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:35:31 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:35:29 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/cat/16/1[dot]html
[Fri Oct 09 19:35:29 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/cat, referer: http://auto[dot]ezeserv[dot]com/cat/16/1[dot]html
[Fri Oct 09 19:35:15 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:35:15 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:35:14 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/index[dot]html
[Fri Oct 09 19:35:14 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/auto.ezeserv.com, referer: http://auto[dot]ezeserv[dot]com/index[dot]html
[Fri Oct 09 19:35:09 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:35:09 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:35:03 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/post/gaz[dot][dot][dot]-avtokredit[dot]html
[Fri Oct 09 19:35:03 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/post, referer: http://auto[dot]ezeserv[dot]com/post/gaz[dot][dot][dot]-avtokredit[dot]html
[Fri Oct 09 19:33:30 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:33:30 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:33:11 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/post/gaz[dot][dot][dot]-avtokredit[dot]html
[Fri Oct 09 19:33:11 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/post, referer: http://auto[dot]ezeserv[dot]com/post/gaz[dot][dot][dot]-avtokredit[dot]html
[Fri Oct 09 19:33:06 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:33:06 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:33:01 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:33:01 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:32:56 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/cat/13/1[dot]html
[Fri Oct 09 19:32:56 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/cat, referer: http://auto[dot]ezeserv[dot]com/cat/13/1[dot]html
[Fri Oct 09 19:32:50 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:32:50 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:32:48 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/cat/13/1[dot]html
[Fri Oct 09 19:32:48 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/cat, referer: http://auto[dot]ezeserv[dot]com/cat/13/1[dot]html
[Fri Oct 09 19:32:29 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml
[Fri Oct 09 19:32:29 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/favicon.i co
[Fri Oct 09 19:32:26 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/404.shtml, referer: http://auto[dot]ezeserv[dot]com/post/sub[dot][dot][dot]niequot-sti[dot]html
[Fri Oct 09 19:32:26 2009] [error] [client 92.39.70.112] File does not exist: /home/auto/public_html/post, referer: http://auto.ezeserv.com/post/subaru-exiga-prisvoeno-quotzvaniequot-sti.html

RewriteEngine on
RewriteRule ^.htaccess$ - [F]

Options +FollowSymlinks
RewriteBase /

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule index.html$ index.php

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule rss.html$ rss.php

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^sitemap/([0-9]+).html+$ /sitemap.php?page=$1


RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^post/(.*).html$ post.php?translit=$1


RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^cat/([0-9]+)/([0-9]+).html+$ /cat.php?id=$1&page=$2

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f

RewriteRule ^(.*)/img/blue_banner.gif img/blue_banner.gif
RewriteRule ^(.*)/img/navdown_white.gif img/navdown_white.gif
RewriteRule ^(.*)/img/navdown_white1.gif img/navdown_white1.gif

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule search.htm$ search.php

// Достаем переменную окружения

$url = $_SERVER['REQUEST_URI'];
//echo $url;

preg_match ("/(?<=\/cat\/)(.+?)(?=\.html)/" , $url , $id);
unset ($id['0']);
//echo $id['1'];

$cat = explode ( "/" , $id['1']);
//echo $cat['0']; // категория
//echo $cat['1']; // страница

// Достаем переменную окружения

$url = $_SERVER['REQUEST_URI'];
//echo $url;

preg_match ("/(?<=\/post\/)(.+?)(?=\.html)/" , $url , $translit);// ловим транслит

unset ($translit['0']);
//echo $translit['1'];

/home/auto/public_html/post,
/home/auto/public_html/cat - вот на них стоит обратить внимание. Хотя, скоре всего, это в результате ошибочного указания УРЛ.