Hello, Squid2.5 and 2.6 seems to be able to set the format of "X-Authenticated-User" as follows by Patch for ICAP. + icap_auth_scheme Local://%u + icap_auth_scheme LDAP://ldap-server/cn=%u,dc=company,dc=com + icap_auth_scheme WinNT://nt-domain/%u + icap_auth_scheme Radius://radius-server/%u http://www.squid-cache.org/mail-archive/squid-dev/200311/att-0018/squid-icap-2_5-x-auth-user.diff http://devel.squid-cache.org/cgi-bin/diff2/icap-2_6.patch Is there a possibility that squid3.0 supports this format? -------------------------------------- Power up the Internet with Yahoo! Toolbar. http://pr.mail.yahoo.co.jp/toolbar/