ext_file_userip_acl(8) System Manager's Manual ext_file_userip_acl(8) NAME ext_file_userip_acl - Restrict users to certain IP addresses, using a text file backend. Version 1.0 SYNOPSIS ext_file_userip_acl [-dh] [-f file name ] DESCRIPTION ext_file_userip_acl is an installed binary. An external helper for the Squid external acl scheme. It works by reading a pair composed by an IP address and an username on STDIN and matching it against a configuration file. OPTIONS -d Write debug info to stderr. -f file Configuration file to load. -h Display the binary help and command line syntax info using stderr. CONFIGURATION The squid.conf configuration for the external ACL should be: external_acl_type type-name %SRC %LOGIN /path/to/ext_file_userip_acl -f /path/to/config.file If the helper program finds a matching username/ip in the configuration file, it returns OK , otherwise it returns ERR . The configuration file format is as follows: ip_addr[/netmask] username|@group|ALL|NONE Where ip_addr is a dotted quad format IP address, the netmask must be in dotted quad format too. When the second parameter is prefixed with an @ , the program will lookup the /etc/group file entry for the specified username. There are other two directives, ALL and NONE , which mean "any user on this IP address may authenticate" or "no user on this IP address may authenti- cate". AUTHOR This program was written by Rodrigo Campos <rodrigo@geekbunker.org> This manual was written by Rodrigo Campos <rodrigo@geekbunker.org> Amos Jeffries <amosjeffries@squid-cache.org> COPYRIGHT * Copyright (C) 1996-2026 The Squid Software Foundation and contributors * * Squid software is distributed under GPLv2+ license and includes * contributions from numerous individuals and organizations. * Please see the COPYING and CONTRIBUTORS files for details. This program and documentation is copyright to the authors named above. Distributed under the GNU General Public License (GNU GPL) version 2 or later (GPLv2+). QUESTIONS Questions on the usage of this program can be sent to the Squid Users mail- ing list <squid-users@lists.squid-cache.org> REPORTING BUGS Bug reports need to be made in English. See https://wiki.squid- cache.org/SquidFaq/BugReporting for details of what you need to include with your bug report. Report bugs or bug fixes using https://bugs.squid-cache.org/ Report serious security bugs to Squid Bugs <squid-bugs@lists.squid- cache.org> Report ideas for new improvements to the Squid Developers mailing list <squid-dev@lists.squid-cache.org> SEE ALSO squid(8), GPL(7), The Squid FAQ wiki https://wiki.squid-cache.org/SquidFaq The Squid Configuration Manual http://www.squid-cache.org/Doc/config/ ext_file_userip_acl(8)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | CONFIGURATION | AUTHOR | COPYRIGHT | QUESTIONS | REPORTING BUGS | SEE ALSO
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