客户端为神摸不出代理认证界面

odbb

我配好ＳＱＵＩＤ后也启动了
htppasswd -c /etc/squid/passwd yuyu
密码123456
###########

http_port 192.168.1.2:8080
cache_mem 256 MB
cache_dir ufs /var/spool/squid 4096 16 256
cache_effective_user squid
cache_effective_group squid
dns_nameservers 192.168.1.2
cache_access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_store_log /var/log/squid/store.log
visible_hostname 192.168.1.2
cache_mgr wasd12-1@sohu.com

##########

httpd_accel_host virtual
httpd_accel_port 80
httpd_accel_with_proxy on
httpd_accel_uses_host_header on

###########

auth_param basic program /usr/lib/squid/ncsa_auth /etc/squid/passwd
auth_param basic children 5
auth_param basic credentialsttl 2 hours
auth_param basic realm Example.com's Squid proxy-cacheing
acl auth_user proxy_auth REQUIRED
http_access allow auth_user

############
ＷＩＮＤＯＷＳ客户端ＴＣＰ／ＩＰ设置
ＩＰ　１９２．１６８．１．３　ＤＮＳ　１９２．１６８．１．２　网关１９２．１６８．１．２５４
客户端就把ＩＥ里的加上１９２．１６８．１．２　端口８０８０
为神摸打开ＩＥ后ＷＩＮＤＯＷＳ客户端没有认证界面？？？？
大侠们请帮我答一下