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Homework and Emergencies Emergency UNIX and Linux Support [solved] Block access to all sites except one using Squid Post 302691467 by jim mcnamara on Friday 24th of August 2012 02:55:51 PM
Old 08-24-2012
On your version of squid you block ports this way:

Code:
acl Bad_ports port 1-79
acl Bad_ports port 81-442
acl Bad_ports port 444-45000
http_access_deny Bad_ports   # 80 & 443 all else from 1-45000 blocked

 

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KADMIND(8)						    BSD System Manager's Manual 						KADMIND(8)

NAME
kadmind -- server for administrative access to Kerberos database SYNOPSIS
kadmind [-c file | --config-file=file] [-k file | --key-file=file] [--keytab=keytab] [-r realm | --realm=realm] [-d | --debug] [-p port | --ports=port] DESCRIPTION
kadmind listens for requests for changes to the Kerberos database and performs these, subject to permissions. When starting, if stdin is a socket it assumes that it has been started by inetd(8), otherwise it behaves as a daemon, forking processes for each new connection. The --debug option causes kadmind to accept exactly one connection, which is useful for debugging. The kpasswdd(8) daemon is responsible for the Kerberos 5 password changing protocol (used by kpasswd(1)). This daemon should only be run on the master server, and not on any slaves. Principals are always allowed to change their own password and list their own principal. Apart from that, doing any operation requires per- mission explicitly added in the ACL file /var/heimdal/kadmind.acl. The format of this file is: principal rights [principal-pattern] Where rights is any (comma separated) combination of: o change-password or cpw o list o delete o modify o add o get o all And the optional principal-pattern restricts the rights to operations on principals that match the glob-style pattern. Supported options: -c file, --config-file=file location of config file -k file, --key-file=file location of master key file --keytab=keytab what keytab to use -r realm, --realm=realm realm to use -d, --debug enable debugging -p port, --ports=port ports to listen to. By default, if run as a daemon, it listens to port 749, but you can add any number of ports with this option. The port string is a whitespace separated list of port specifications, with the special string ``+'' representing the default port. FILES
/var/heimdal/kadmind.acl EXAMPLES
This will cause kadmind to listen to port 4711 in addition to any compiled in defaults: kadmind --ports="+ 4711" & This acl file will grant Joe all rights, and allow Mallory to view and add host principals. joe/admin@EXAMPLE.COM all mallory/admin@EXAMPLE.COM add,get host/*@EXAMPLE.COM SEE ALSO
kpasswd(1), kadmin(8), kdc(8), kpasswdd(8) HEIMDAL
December 8, 2004 HEIMDAL
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