Har*_*ley 15 windows-server-2008 active-directory windows-7 kerberos squid
这是我最近设置的东西,非常痛苦。我的环境正在让鱿鱼以无形的方式针对 Windows 2008 Server 对 Windows 7 客户端进行身份验证。NTLM 并不是一个真正的选项,因为使用它需要在每个客户端上更改注册表。
自 Windows 2000 以来,MS 一直在推荐 Kerberos,所以现在终于可以使用该程序了。
非常感谢 Squid 邮件列表的 Markus Moeller 帮助完成这项工作。
Har*_*ley 15
这是使用 Squid 3.0 设置的,也已经使用 Squid 3.1 进行了测试,应该可以与 Squid 2.7 一起使用。您的 Windows 用户必须是 Active Directory 中 SQUID_USERS 组的成员(无论如何在这种情况下)。
在 Windows 方面,Windows XP 和 Windows 2007 已经针对 Windows 2008 进行了测试,Windows XP 已经针对 Windows 2003 进行了测试。
请注意,几乎每一步都需要先进行一步才能继续。
如果您遇到问题,DNS总是首先要查看的地方。两台 Windows 机器都应该能够按名称 ping Linux 服务器(反之亦然),并且您ipconfig /flushdns有时可能需要运行。重新启动也可能有所帮助,如果您想真正确定没有残留物。
dom.localserver.dom.local,172.17.3.11centos.dom.local,172.17.3.10dom.local在 DNS 配置中创建反向区域。centos.dom.local指向 的静态 ('A') 记录172.17.3.10,在询问您是否还想设置反向 PTR 时选择是。对于 Windows 2008 服务器,您需要安装Hotfix 951191。
安装包
$ yum install -y cyrus-sasl-gssapi cvs autoconf automake openldap openldap-devel krb5-workstation krb5-devel gcc-c++
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安装msktutil. 您需要在构建之前修补它。
$ wget http://download.systemimager.org/~finley/msktutil/msktutil_0.3.16.orig.tar.gz
$ wget http://download.systemimager.org/~finley/msktutil/msktutil_0.3.16-7.diff.gz
$ gunzip msktutil_0.3.16-7.diff.gz
$ tar zxf msktutil_0.3.16.orig.tar.gz
$ cd msktutil-0.3.16
$ patch < ../msktutil_0.3.16-7.diff
$ ./configure && make && make install
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编译最新的squid _curb _ldap。
$ cvs -z3 -d:pserver:anonymous@squidkerbauth.cvs.sourceforge.net:/cvsroot/squidkerbauth co -P squid_kerb_ldap
$ cd squid_kerb_ldap
$ ./configure && make
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使用system-config-network配置DNS指向域控制器,主机名设置为centos.dom.local。
重启
检查反向 DNS 是否正常工作:$ dig -x 172.17.3.10
你应该进入centos.dom.local答案部分。如果你不这样做,继续下去是没有意义的。如果没有正确配置 DNS,Kerberos 身份验证将无法工作。
你krb.conf应该看起来像这样:
[logging]
default = FILE:/var/log/krb5libs.log
kdc = FILE:/var/log/krb5kdc.log
admin_server = FILE:/var/log/kadmind.log
[libdefaults]
default_realm = DOM.LOCAL
dns_lookup_realm = false
dns_lookup_kdc = false
ticket_lifetime = 24h
# For Windows XP:
default_tgs_enctypes = rc4-hmac des-cbc-crc des-cbc-md5
default_tkt_enctypes = rc4-hmac des-cbc-crc des-cbc-md5
permitted_enctypes = rc4-hmac des-cbc-crc des-cbc-md5
# For Windows 2007:
# default_tgs_enctypes = aes256-cts-hmac-sha1-96 rc4-hmac des-cbc-crc des-cbc-md5
# default_tkt_enctypes = aes256-cts-hmac-sha1-96 rc4-hmac des-cbc-crc des-cbc-md5
# permitted_enctypes = aes256-cts-hmac-sha1-96 rc4-hmac des-cbc-crc des-cbc-md5
forwardable = yes
[realms]
DOM.LOCAL = {
kdc = 172.17.3.11:88
admin_server = 172.17.3.11:7491
default_domain = dom.local
}
[domain_realm]
.dom.local = DOM.LOCAL
dom.local = DOM.LOCAL
[appdefaults]
pam = {
debug = false
ticket_lifetime = 36000
renew_lifetime = 36000
forwardable = true
krb4_convert = false
}
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创建密钥表:
$ kinit administrator
$ msktutil -c -b "CN=COMPUTERS" -s HTTP/centos.dom.local -h centos.dom.local -k /etc/HTTP.keytab --computer-name centos-http --upn HTTP/centos.dom.local --server server.dom.local --verbose
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对于 Windows 2008,您需要添加--enctypes 28到msktutil命令中。
安装鱿鱼:
$ wget http://www.squid-cache.org/Versions/v3/3.0/squid-3.0.STABLE18.tar.gz
$ tar zxvf squid-3.0.STABLE18.tar.gz
$ cd squid-3.0.STABLE18
$ ./configure --enable-negotiate-auth-helpers=squid_kerb_auth --enable-stacktraces --prefix=/opt/squid-3.0
$ make
$ make install
$ cp helpers/negotiate_auth/squid_kerb_auth/squid_kerb_auth /opt/squid-3.0/sbin/
$ cp ~/squid_kerb_ldap/squid_kerb_ldap /opt/squid-3.0/sbin/
$ cd /opt/squid-3.0/
$ mv etc/squid.conf etc/squid.conf.ORIG
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在 squid.conf 中设置适当的参数:
auth_param negotiate program /opt/squid-3.0/sbin/squid_kerb_auth -d -s HTTP/centos.dom.local
auth_param negotiate children 10
auth_param negotiate keep_alive o
external_acl_type SQUID_KERB_LDAP ttl=3600 negative_ttl=3600 %LOGIN /opt/squid-3.0/sbin/squid_kerb_ldap -d -g SQUID_USERS
acl AUTHENTICATED proxy_auth REQUIRED
acl LDAP_GROUP_CHECK external SQUID_KERB_LDAP
acl localnet src 172.17.3.0/24 # RFC1918 possible internal network
#http_access allow localnet
#http_access allow AUTHENTICATED
http_access allow LDAP_GROUP_CHECK
cache_dir ufs /var/cache/squid-3.0 100 16 256
access_log /var/log/squid-3.0/access.log squid
cache_log /var/log/squid-3.0/cache.log
cache_store_log /var/log/squid-3.0/store.log
pid_filename /var/run/squid-3.0.pid
cache_effective_user squid
cache_effective_group squid
coredump_dir /var/cache/squid-3.0
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设置用户和目录:
$ chown -R squid:squid /opt/squid-3.0/
$ mkdir /var/cache/squid-3.0
$ chown -R squid:squid /var/cache/
$ mkdir /var/log/squid-3.0
$ chown -R squid:squid /var/log/squid-3.0/
$ chown squid:squid /etc/HTTP.keytab
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创建缓存:
$ /opt/squid-3.0/sbin/squid -z
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现在这很重要:Squid 需要设置一些环境变量才能正常运行。最好的方法是使用初始化脚本。这是一个稍微编辑过的 CentOS:
#!/bin/bash
# squid This shell script takes care of starting and stopping
# Squid Internet Object Cache
#
# chkconfig: - 90 25
# description: Squid - Internet Object Cache. Internet object caching is \
# a way to store requested Internet objects (i.e., data available \
# via the HTTP, FTP, and gopher protocols) on a system closer to the \
# requesting site than to the source. Web browsers can then use the \
# local Squid cache as a proxy HTTP server, reducing access time as \
# well as bandwidth consumption.
# pidfile: /var/run/squid-3.0.pid
# config: /opt/squid-3.0/etc/squid.conf
PATH=/usr/bin:/sbin:/bin:/usr/sbin
export PATH
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# don't raise an error if the config file is incomplete
# set defaults instead:
SQUID_OPTS=${SQUID_OPTS:-"-D"}
SQUID_PIDFILE_TIMEOUT=${SQUID_PIDFILE_TIMEOUT:-20}
SQUID_SHUTDOWN_TIMEOUT=${SQUID_SHUTDOWN_TIMEOUT:-100}
KRB5_KTNAME=/etc/HTTP.keytab
export KRB5_KTNAME
# determine the name of the squid binary
[ -f /opt/squid-3.0/sbin/squid ] && SQUID=/opt/squid-3.0/sbin/squid
prog="$SQUID"
# determine which one is the cache_swap directory
CACHE_SWAP=`sed -e 's/#.*//g' /opt/squid-3.0/etc/squid.conf | \
grep cache_dir | awk '{ print $3 }'`
[ -z "$CACHE_SWAP" ] && CACHE_SWAP=/var/spool/squid-3.0
RETVAL=0
start() {
#check if the squid conf file is present
if [ ! -f /opt/squid-3.0/etc/squid.conf ]; then
echo "Configuration file /opt/squid-3.0/etc/squid.conf missing" 1>&2
exit 6
fi
. /etc/sysconfig/squid
# don't raise an error if the config file is incomplete.
# set defaults instead:
SQUID_OPTS=${SQUID_OPTS:-"-D"}
SQUID_PIDFILE_TIMEOUT=${SQUID_PIDFILE_TIMEOUT:-20}
SQUID_SHUTDOWN_TIMEOUT=${SQUID_SHUTDOWN_TIMEOUT:-100}
if [ -z "$SQUID" ]; then
echo "Insufficient privilege" 1>&2
exit 4
fi
for adir in $CACHE_SWAP; do
if [ ! -d $adir/00 ]; then
echo -n "init_cache_dir $adir... "
$SQUID -z -F -D >> /var/log/squid-3.0/squid.out 2>&1
fi
done
echo -n $"Starting $prog: "
$SQUID $SQUID_OPTS >> /var/log/squid-3.0/squid.out 2>&1
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
timeout=0;
while : ; do
[ ! -f /var/run/squid-3.0.pid ] || break
if [ $timeout -ge $SQUID_PIDFILE_TIMEOUT ]; then
RETVAL=1
break
fi
sleep 1 && echo -n "."
timeout=$((timeout+1))
done
fi
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/squid-3.0
[ $RETVAL -eq 0 ] && echo_success
[ $RETVAL -ne 0 ] && echo_failure
echo
return $RETVAL
}
stop() {
. /etc/sysconfig/squid
# don't raise an error if the config file is incomplete.
# set defaults instead:
SQUID_SHUTDOWN_TIMEOUT=${SQUID_SHUTDOWN_TIMEOUT:-100}
echo -n $"Stopping $prog: "
$SQUID -k check >> /var/log/squid-3.0/squid.out 2>&1
RETVAL=$?
if [ $RETVAL -eq 0 ] ; then
$SQUID -k shutdown &
rm -f /var/lock/subsys/squid-3.0
timeout=0
while : ; do
[ -f /var/run/squid-3.0.pid ] || break
if [ $timeout -ge $SQUID_SHUTDOWN_TIMEOUT ]; then
echo
return 1
fi
sleep 2 && echo -n "."
timeout=$((timeout+2))
done
echo_success
echo
else
echo_failure
echo
fi
return $RETVAL
}
reload() {
. /etc/sysconfig/squid
# don't raise an error if the config file is incomplete.
# set defaults instead:
SQUID_OPTS=${SQUID_OPTS:-"-D"}
$SQUID $SQUID_OPTS -k reconfigure
}
restart() {
stop
start
}
condrestart() {
[ -e /var/lock/subsys/squid-3.0 ] && restart || :
}
rhstatus() {
status $SQUID && $SQUID -k check
}
probe() {
return 0
}
case "$1" in
start)
start
;;
stop)
stop
;;
reload)
reload
;;
restart)
restart
;;
condrestart)
condrestart
;;
status)
rhstatus
;;
probe)
exit 0
;;
*)
echo $"Usage: $0 {start|stop|status|reload|restart|condrestart}"
exit 2
esac
exit $?
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这些是重要的行:
KRB5_KTNAME=/etc/HTTP.keytab
export KRB5_KTNAME
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centos.dom.local使用 port将您的代理设置为服务器3128。使用完全限定的域名而不是 IP 地址很重要。
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