???? Internet , Intranet ???. ?????????????????????? LAN ???. ??? ???????????????????????? ???????? ???.

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???? Internet , Intranet ???. ???????????????????
??? LAN ???. ???????????????????????????
???????? ???.
2
?????????????????
???? Internet ??? ???. ???????????? ???????????
?? ?.?. 2536 ?????????????????? ?????????????
LAN ?????????????????????? LAN ???.
????????????????? ??????????? ????? 26
????????????????? ????? ???? Modem Hub Printer
???? ???????? 2,335,000 -???
????????????? ????? ?? ?.?. 2539
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????????????????? (???)
??????????? ????????????????????? ?????????
?????????????????? Internet ???. (2540)
???????????????????? ???. (2540)
???????????????????? ???. (2540)
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????????????????? (???)
????????????? ?????? ??????????????????? LAN ???.

• ???????????????????????????
• ????????????????????????
• ??????????????????????????
• ???????????????????????????
• ???????????????? Internet ???.

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????????????????? (???)

• ??????? ???????? ????????????????????????????
  Internet
• ???????????????? ??? ????????? ??????? ????????
  ??????????????????
• ??????????????? ???????????????????????????????
• ????????????????????????????????????????? ? ??
  ??.???
• ???????????????????????? ?????????????? ?????????
  ??? ????????? ??????? ???????? ???????????????????
  ??????? ???????

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??? ????? Internet ,intranet ???.????????????????
?????? Internet ???.
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???????? ???????????? Internet (????)

• ??????? Terminal Adapter Unit(TAU)
• ?????????????? ????????????? ???????
  ?????????????
• ????????????? Setup ???????
• Modem ?????????????????? ????? ??. 1177 1 ??????
• ??? ??? ????????
• Modem ?????????????????? ??????? 7 ??? 2 ???
  ?????????????? Internet Gateway

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???????? ???????????? Internet (????????)

• Modem ?????????????????? ??????? 7 ??? 2 ???
  ?????????????? Internet Gateway (?????)
• ????????? ??????????????????????? ??. ????
  ??????? MUX 1 mbs

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???????????????????? ?????? Internet
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Internet ???? network ???.
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?????? Internet ????????????? ???.
???. ???????????? ?????? Internet ??????
??????????????? ???????? ???????????? ??? ????
?????????????? ???? 3 ???????????????
?????????????????????
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Intranet ???. www.ians.net
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Intranet ???.

• Class C ?????????????????
• Network 192.168.30.0
• Net Mask 255.255.255.0
• Broadcast Address 192.168.30.255
• Host ID 192.168.30.1 - 192.168.30.254

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?????? IP ??????????? ???? ?

• ?????????????????? 192.168.30.1 -
  192.168.30.110
• ???
  192.168.30.111-192.168.30.120
• ??.??
  192.168.30.121-192.168.30.130
• ??.??.??
  192.168.30.131-192.168.30.140
• ??.??
  192.168.30.141-192.168.30.150
• ?????
  192.168.30.151-192.168.30.160
• ??? ??.
  192.168.30.161-192.168.30.170
• ??. ???.
  192.168.30.171-192.168.30.180
• ???. 192.168.30.181-192.168.30.190
• ????????
  192.168.30.211-192.168.30.230

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?????? IP ?????? server
DNS , Mail server 192.168.30.2
Linux Web server 192.168.30.6
Linux RAS server 192.168.30.9
NT ??????? ???????? 192.168.30.201
NT ??????? ???? ? 192.168.30.101
NT ????????????? 192.168.30.9
NT Router 192.168.30.4

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Hardware

• Mail server Pentium III 550 128M 20Gb.
• Web server Pentium III 450 64M 10Gb.
• DNS server Pentium III 550 128M 20Gb.
• Server ???????? Pentium III 128 20Gb.
• Server ??????????? ? Pentium III 128 20Gb.

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Software

• Mail server Linux redhat 7.0, sendmail
• Web server Linux redhat 7.0, apache webserver
• DNS server Linux redhat 7.0, BIND
• Server ???????? NT 4.0 , MS Sql server 7.0
• Server ??????????? ? NT 4.0 , Foxpro6.0

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???????? intranet ???.

• Mail,mail.ians.net
• Web,www.ians.net
• ??????? ???????
• ???????? ???.
• ??????? ???? ?

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E - Mail ?? ???.

E-mail ???????????????????????
ians.net ????????????? ??????? ????
???????????????? ??????? ??? ???? ????????? ?
????? ???. ????????? ????????? mail.ians.net
?????? ??????? outlook express
??????????????? e-mail ??? server mail.ians.net
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www.ians.net
???. ??????? ??????????????????? ?????? www
?????????????????????? ? ????? ?????????
?????????? ???? ??????? ??????????????????????????
? ????
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?????????????????????????? ???.
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???????????