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2024年3月8日发(作者:python如何判断是否安装pip)

Radius认证

展开全文

什么是FreeRADIUS?

RADIUS是Remote Access Dial In User Service的简称。

RADIUS主要用来提供认证(Authentication)机制,用来辨认使用者的身份与密码 –> 确认通过之后,经由授权 (Authorization)使用者登入网域使用相关资源 –> 并可提供计费(Accounting)机制,保存使用者的网络使用记录。 FreeRADIUS是一款OpenSource软件,基于RADIUS协议,实现RADIUS AAA(Authentication、Authorization、Accounting)功能。

Radius认证的过程:

1,supplicant向NAS发起802.1X的EAP0L-START;

2,NAS收到EAP0L-START之后发给supplicant一个eap/identity;

3,supplicant收到这个eap/identity之后将username作为response发回给NAS;

4,NAS将包含有username的eap包封装入RADIUS包的的eap_message属性中,并作为access request包(包ID假定为1)发给RADIUS服务器;

5,RADIUS服务器收到这个含有eap_message属性的RADIUS包之后,发回一个带有eap_message(其内部的EAP包为md5

challenge)给NAS;

6,NAS收到这个RADIUS包之后将eap_message属性中的EAP包提取出来,然后封装在EAPOL中发给supplicant;

7,supplicant收到这个EAP/MD5 CHALLENGE之后将passwd放入EAP包中发给NAS,然后NAS再次打包发给RADIUS

8,RADIUS进行认证,如果username和passwd匹配之后认证通过。

目的:搭建freeradius服务器 实现用户上网的Mac地址认证

环境:centos+freeradius+mysql

安装:

一、安装openssl

二、安装mysql

[root@zhinan~] yun groupinstall "MySQL Database" /#安装MySQL数据库

1

[root@zhinan~] service mysqld start /#启动数据库

2

[root@zhinan~] netstat -nax /#查看3306端口是否在使用,从3

而确定安装是否成功

4

[root@zhinan~] mysqladmin -u root password '123' /#修改5

root的密码为123

[root@zhinan~] mysql -u root -p123 /#进入mysql,查看数据库是正常使用。正常使用则退出

三,安装freeradius

最新的freeradius的版本是2.2.0。

[root@zhinan~] tar -xzvf

1

/#解压缩

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[root@zhinan~] cd freeradius-server-2.2.0 /#进入解3

压缩后的目录:

4

[root@zhinan~] ./config /#检测安装环境

5

[root@zhinan~] make /#编译

[root@zhinan~] make install /#安装

安装完后,可以使用命令

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[root@zhinan~] radiusd -x /#进入radiusd服务器的调试 模式,如果能进入则安装成功。

安装成功后usr/local/etc/raddb/

freeradius的配置文件的路径是:日志文件的路径是:usr/local/var/log

一般以上过程不会出问题,主要的问题在于配置。

radius 服务器几个配置文件

服务器端配置

存储radius客户端(NAS,ROUTER)的验证信息,

主要是配KEY

./modules/ 主要是针对LDAP,MYSQL、数字证书等的配置

四、配置过程

[root@zhinan~] mysql -u root -p123 /#登陆mysql

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mysql> creat database radius; /#创建数据库

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mysql> exit /#退出数据库。

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[root@zhinan~] cd usr/local/etc/raddb/sql/mysql /#进4

入usr/local/etc/raddb/sql/mysql下

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[root@zhinan~] mysql -u root -p radius < /#

把表导入到数据库中

(注意,2.1.1版本的数据库文件是 ,这跟其他版本不同,1.1.7版本之前的数据库文件是 ,或者rlm_,而且存放路径不同)

导入后,可以在用命令

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2

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mysql> use radius;

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mysql> show tabels; /#看到以下数据库表:

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+------------------+

6

7

| Tables_in_radius |

8

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+------------------+

10

| radacct |

11

12

| radcheck |

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14

| radgroupcheck |

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| radgroupreply |

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| radpostauth |

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19

| radreply |

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| radusergroup |

22

23

+------------------+

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修改usr/local/etc/raddb/site_enabled下的defoult文件

(2.1.1与1.1.7不 同,被分成了几个部分,authorize 被放在了defoult文件下,请注意),把authorize{} 、accounting {}中的sql前面的#去掉,并把authorize{} 中的files前加#;如下示:

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authorize {

3

chap

4

mschap

5

suffix

6

eap

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#files

sql

8

pap

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}

10

accounting {

11

detail

unix

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radutmp

13

sql

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}

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修改与mysql数据库连接的配置文件/usr/local/etc/raddb/,

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server = "localhost"

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login = "root"

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password = "数据库root的登陆密码"

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radius_db = "radius" /#radius为数据库名

修改客户端信息配置文件:/usr/local/etc/raddb/

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client 127.0.0.1 {

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secret = testing123

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shortname = localhost

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nastype = other

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}

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client 10.1.1.5 {

ipaddr = 10.1.1.5

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secret = testing123 /#Secret:Radius aaa与NAS之间的key传送是密文,而不是口令,是MD5计算结果

10

shortname = nas01

11

nastype =other

在数据库中加入测试帐号

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[root@zhinan~] mysql -u root -p123

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mysql> use radius;

建立组信息:

mysql> insert into

values

radgroupreply

(‘user’,'Auth-(groupname,attribute,op,value)

Type’,':=’,'Local’);

Query OK, 1 row affected (0.01 sec)

mysql> insert into

values

radgroupreply

(‘user’,'Service-(groupname,attribute,op,value)

Type’,':=’,'Framed-User’);

Query OK, 1 row affected (0.00 sec)

mysql> insert into

values

radgroupreply

(‘user’,'Framed-IP-(groupname,attribute,op,value)

Address’,':=’,’255.255.255.255′);

Query OK, 1 row affected (0.00 sec)

mysql> insert into

values

radgroupreply

(‘user’,'Framed-IP-(groupname,attribute,op,value)

Netmask’,':=’,’255.255.255.0′);

Query OK, 1 row affected (0.01 sec)

建立用户信息:

mysql> insert into radcheck (username,attribute,op,value)

values (‘test’,'User-Password’,':=’,'test’);

Query OK, 1 row affected (0.00 sec)

配置集中式MAC认证的时,只需往radcheck表中添加MAC地址作为用户名和密码就可以了。

INSERT INTO radcheck (UserName, Attribute, Value) VALUES

(‘geng’, ‘Password’, ‘peng’);

将用户加入组中:

mysql> insert into radusergroup (username,groupname)

values (‘test’,'user’);

Query OK, 1 row affected (0.01 sec)

mysql> exit; /#退出数据库

测试radius

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[root@zhinan~] radiusd -X

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然后另外打开一个终端输入一下信息

[root@zhinan~] radtest test test localhost 0 testing123

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Sending Access-Request of id 222 to 127.0.0.1 port 1812

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User-Name = "test"

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User-Password = "test"

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NAS-IP-Address = 127.0.0.1

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NAS-Port = 0

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rad_recv: Access-Accept packet from host 127.0.0.1 port

1812, id=222, length=38

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Service-Type = Framed-User

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Framed-IP-Address = 255.255.255.255

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Framed-IP-Netmask = 255.255.255.0

13

如果显示如上信息,则恭喜,freeradius安装配置成功。

排错:

【1】如果出现“rlm_sql (sql): Could not link driver

rlm_sql_mysql: rlm_sql_: cannot open shared object

file: No such file or directory”

找不到驱动包的错误,就要

a:先安装mysql-devel

b:然后进入到freeradius的安装文件目录下的运行命src/modules/rlm_sql/drivers/rlm_sql_mysql

mysql-lib-dir=/usr/lib/mysql/

c:make;make intall 这时候会把rlm_sql_mysql的驱动安装到/usr/local/lib目录下,但是必须把这些驱动copy到/usr/lib 目录下才能正常运行:#cp -a /usr/local/lib/rlm_sql_mysql* /usr/lib

【2】radiusd -X

令:./configure –with-mysql-dir=/usr/share/mysql/ –with-

调试提示 Failed binding to authentication address * port

1812: Address already in use

/usr/local/etc/raddb/[240]: Error binding to

port for 0.0.0.0 port 1812

1812端口被占用

[root@zhinan~] lsof -i:1812 /#显示占用1812端口的进程

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radiusd 5507 root 10u IPv4 17199 0t0 UDP

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*:radius

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[root@zhinan~]kill 5507 /#杀掉pid为5507的进程,pid根据

lsof命令输出得。

交换机中的配置

MAC-authentication

MAC-authentication domain test

#

radius scheme freeradius

server-type standard

primary authentication 10.1.5.100

accounting optiona

key authentication testing123

user-name-format without-domain

nas-ip 10.1.1.5

#

domain jiubang

scheme radius-scheme freeradius

#

interface ethernet 1/0/22

port access vlan 5

MAC-authentication

测试

[root@zhinan~] radiusd -X /#开启radius服务

1

当有用户认证时,信息如下:

Ready to process requests.

rad_recv: Access-Request packet from host 10.1.1.5 port

5001, id=10, length=117

User-Name = “7845c40a786a@test”

User-Password = “7845c40a786a”

NAS-IP-Address = 10.1.1.5

NAS-Identifier = “3822d6bc438f”

NAS-Port = 16871429

NAS-Port-Type = Ethernet

Service-Type = Framed-User

Framed-Protocol = PPP

Calling-Station-Id = “7845-c40a-786a”

# Executing section authorize from file

/usr/local/etc/raddb/sites-enabled/default

+- entering group authorize {…}

++[preprocess] returns ok

++[chap] returns noop

++[mschap] returns noop

++[digest] returns noop

[suffix] Looking up realm “test” for User-Name =

“7845c40a786a@test”

[suffix] No such realm “test”

++[suffix] returns noop

[eap] No EAP-Message, not doing EAP

++[eap] returns noop

[sql] expand: %{User-Name} -> 7845c40a786a@test

[sql] sql_set_user escaped user –> ’7845c40a786a@test’

rlm_sql (sql): Reserving sql socket id: 4

[sql] expand: SELECT id, username, attribute, value, op FROM

radcheck WHERE username = ‘%{SQL-User-Name}’ ORDER BY

id -> SELECT id, username, attribute, value, op FROM radcheck

WHERE username = ’7845c40a786a@test’ ORDER BY id

[sql] expand: SELECT groupname FROM radusergroup

WHERE username = ‘%{SQL-User-Name}’ ORDER BY priority ->

SELECT groupname FROM radusergroup WHERE username

= ’7845c40a786a@test’ ORDER BY priority

rlm_sql (sql): Released sql socket id: 4

[sql] User 7845c40a786a@test not found

++[sql] returns notfound

++[expiration] returns noop

++[logintime] returns noop

[pap] WARNING! No “known good” password found for

the user. Authentication may fail because of this.

++[pap] returns noop

ERROR: No authenticate method (Auth-Type) found for the

request: Rejecting the user

Failed to authenticate the user.

Using Post-Auth-Type REJECT

# Executing group from file /usr/local/etc/raddb/sites-enabled/default

+- entering group REJECT {…}

[attr__reject]

7845c40a786a@test

attr_filter: Matched entry DEFAULT at line 11

++[attr__reject] returns updated

Delaying reject of request 0 for 1 seconds

Going to the next request

Waking up in 0.9 seconds.

expand: %{User-Name} ->

Sending delayed reject for request 0

Sending Access-Reject of id 10 to 10.1.1.5 port 5001

Waking up in 4.9 seconds.

Cleaning up request 0 ID 10 with timestamp +61

Ready to process requests.


本文标签: 数据库 安装 使用 服务器 认证