Regras de ACL no RH 9 não responde, alguém pode me ajudar?

Meu Squid.conf..

hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320

#CACHE
cache_mem 64 MB
cache_dir ufs /usr/local/squid/cache/ 7000 16 256
cache_dir diskd /usr/local/squid/cache/ 256 16 256 Q1=64 Q2=72
maximum_object_size 2048 KB
emulate_httpd_log on
cache_mgr [email protected]

acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT

# SECAO ACL REDE INTERNA
acl rede_interna src 192.168.1.0/24
http_access allow rede_interna

# SECAO DE BLOCK
acl pro_ip src "/usr/local/squid/block/pro_ip"
acl pro_url url_regex "/usr/local/squid/block/pro_url"

# SECAO HTTP_ACCESS
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost
http_access deny all
http_reply_access allow all
http_access deny pro_ip
http_access deny pro_url
icp_access allow all
coredump_dir /var/spool/squid

httpd_accel_port 80
httpd_accel_host virtual
httpd_accel_with_proxy on
httpd_accel_uses_host_header on

ie_refresh on