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RADIUS

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RADIUS & TACACS What is RADIUS and TACACS? RADIUS (Remote Authentication Dial in User Services ... – PowerPoint PPT presentation

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Title: RADIUS


1
RADIUS TACACS
2
What is RADIUS and TACACS?
  • RADIUS (Remote Authentication Dial in User
    Services)
  • ????????????????????????????????? Server
    ????????????????????????????????? Internet
    ???????????????????????????? (Dial-up)
    ???????????????????????????????? ??????
    ????????????????? Internet ????? ??????? RADIUS
    Server ?????????????????????????????

3
  • ??????????????????????? User Account
    ???????????? ?????????????????????????????????????
    ?????? Users ???????? ??????????????????????????
    RADIUS Server ??? FreeRadius ?????????????????????
    ?????????? www.freeradius.org ????????????????????
    ??? Linux ??? UNIX

4
  • TACACS (Terminal Access Controller Access Control
    System)
  • ?????????????????????????????????????????????????
    ???????????????????????????? ?????????????
    ????????????????????????????????????????
    ???????????????????????????? RADIUS ??? TACACS
    ???????????????????????????

5
  • ????????????????????????????? ??? Radius
    ???????? ????????? Tacacs ????????????????????????
    ???? Radius ??????????????????????????

6
??????????? RADIUS Server
  • RADIUS ???????? Remote Authentication Dial
    In User Service ??????????????????????????????
    ????????????????? ??? RADIUS server ???
    ??????????????????????????????????????????????????
    ???????????? ????????????????????????????????????
    ??????? ???????????????????????????

7
  • ??????????????????????????????????????????????????
    ????????????? ???????????????????????????????????
    ????? ???????????????????????????????????????????
    ????????????????????????????????????????????????
    ????????? ?????????????????????????????????????

8
??????????? Radius Server
1. ??????????????????????????????????????? 2.
????????????????????????????????????????? Radius
server 3. Radius server ???????????????????????
????????
???????????????????????????
RADIUS server
2
User/password
1
3
YESNO
User/password
server
user
9
?????????? Radius Server (Based on Linux Fedora
Core 3)
  • ?????????????? freeradius ?????????? apt-get
    install freeradius
  • ???????????? yum ??????????????? apt-get ???? yum
    ??????????? yum install freeradius ???????????
    packet ?????? Fedora ?????
  • ?????????????????????????????????? ????
  •     root_at_localhostchkconfig radiusd on

10
???????????????????????????
11
??????????????????????? ????????????? dialog
??????
12
???????? radiusD ????????? ???????????????????????
?????????????????????????
13
  • username yoshijo
  • password iloveu
  • secret key (default) test123
  • ???????????????????????? ???????????????????????
    Access-Reject ???????????????????????????????????
    ??????? /etc/shadow ??????? ?????????
    ?????????????????????????????????? Linux ???
    ??????????????? config ??? radiusd ???
    ?????????????? /etc/shadow ???????? password ???
    Users ????????????????????

14
???????????? /etc/raddb/radiusd.conf ????????
comment ??????????????????????????user
radiusdgroup radiusd ???????user
radiusdgroup radiusd
15
??????????????????? ???????? restart radiusd
????????????????
16
??????????????????????????? ????????? Access -
Accept
17
????????????????? radius client
?????????????????????? radiusd ??????
???????????? /etc/raddb/clients.conf
??????????????????????
18
?????????????? radius client ???????????? IP
192.168.1.4 ??????????????????? secret key ???
mytestkey?????????????????????? reload
?????????????? /etc/init.d/radiusd restart
19
????????????????????????????????????????????????
????????? radiusd ???????
20
????????
  • ??????????? ?????????????
  • 4921245099
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