autenticaçao no squid

eu arrumei o requerid q vc falow, mas ainda ta dando pau..... o erro q esta dando agora é


root@net256:/etc/init.d# ./squid restart
Restarting proxy server:
2004/06/22 16:17:17| aclParseAclLine: ACL 'all' already exists with different typ e, skipping.
2004/06/22 16:17:17| parseConfigFile: line 19 unrecognized: 'auth_param basic pro gram /usr/lib/squid/ncsa_auth /etc/squid/passwd'
2004/06/22 16:17:17| parseConfigFile: line 20 unrecognized: 'auth_param basic chi ldren 5'
2004/06/22 16:17:17| parseConfigFile: line 21 unrecognized: 'auth_param basic rea lm 'Digite seu Login''
squid.




como esta meu squid.conf

acl all src 10.48.0.0/24
acl all proxy_auth REQUIRED

auth_param basic program /usr/lib/squid/ncsa_auth /etc/squid/passwd
auth_param basic children 5
auth_param basic realm 'Digite seu Login'



acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
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 Safe_ports port 901 # SWAT
acl purge method PURGE
acl CONNECT method CONNECT
acl proibidos dstdom_regex "/etc/squid/proibidos"

#http_acess allow all
http_access allow manager localhost
http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access deny proibidos

icp_access allow all
httpd_accel_port 80




por favor me de uma mao.... valew kra...