Error tracert loops should be limited for less than 10 times.

Error tracert loops should be limited for less than 10 times.
or it will eats lot's of memory and CPU times till it be terminated by PHP self.

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2013/05/30 22:05:26 [error] 19162#0: *487 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: ***.49.77.206, server: ******.***.****.com, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:/dev/shm/php-cgi.sock:", host: "*********.com"
2013/05/30 22:07:34 [error] 19162#0: *490 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Maximum execution time of 30 seconds exceeded in /home/chroot/home/www/***/module/Application/view/error/index.phtml on line 10
PHP message: PHP Fatal error:  Allowed memory size of 536870912 bytes exhausted (tried to allocate 473939968 bytes) in Unknown on line 0" while reading response header from upstream, client: ***.49.77.206, server: ******.com, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:/dev/shm/php-cgi.sock:", host: "******.***.****.com"
2013/05/30 22:13:19 [error] 19162#0: *493 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Maximum execution time of 30 seconds exceeded in /home/chroot/home/www/******/module/Application/view/error/index.phtml on line 10
PHP message: PHP Fatal error:  Allowed memory size of 536870912 bytes exhausted (tried to allocate 473939968 bytes) in Unknown on line 0" while reading response header from upstream, client: ***.49.77.206, server: ******.***.****.com, request: "GET / HTTP/1.1", upstream: "fastcgi://unix:/dev/shm/php-cgi.sock:", host: "******.***.****.com"