Hello, I have a problem with my acl urlpath_regex Extract from squid.conf : acl all src 0.0.0.0/0.0.0.0 acl invalid_uri urlpath_regex ^/% http_access deny invalid_uri http_access allow all Now some test with wget : wget http://zayin.yahubb.cn/%ag --17:11:16-- http://zayin.yahubb.cn/%25ag Resolving zayin.yahubb.cn... 211.144.68.70 Connecting to zayin.yahubb.cn|211.144.68.70|:80... connected. HTTP request sent, awaiting response... 403 Forbidden 17:11:16 ERROR 403: Forbidden. ====> the acl match OK wget http://zayin.yahubb.cn/%ab --17:18:40-- http://zayin.yahubb.cn/%ab Resolving zayin.yahubb.cn... 211.144.68.70 Connecting to zayin.yahubb.cn|211.144.68.70|:80... connected. HTTP request sent, awaiting response... 404 Not Found 17:18:42 ERROR 404: Not Found. ====> the acl not math KO Other test with wget seems to show that if two characters after the "%" form an hexadecimal number, the acl does not match. I need that all the url like ^/% match, can you help me ? Thanks Best regards, Guillaume