Slide Title

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????????????????
???????????? ??? Renxh_at_tyut.edu.cn
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? ? ? ?

• ????
• ????????
• ??????
• ????????????????
• ????????IBM Aglets???????

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?????????

• ????? ?????????????????,???????????
• ?? ??????????????????? ??????????
  ????????????? ??????????

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????(Intrusion Detection)
??????????????????????????????????,??????????????
???????????????? ???????????????????????(Intrusion
Detection System,??IDS)?
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?????????

• ?????????????????????(Host-based IDS)
  ???????????(Network-based IDS)
• ???????????????????(Abnormal Detection)
  ???????(Misuse Detection)
• ??IDS???????????????(Centralized Intrusion
  Detection System,??CIDS) ?????????(Distributed
  Intrusion Detection System,??DIDS)

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???????????

• l    ?????????????
• l     ????????????
• ?????????
• l     ?????????????
• l     ??????
• l     ?????????
• l     ??????,???????????
• l     ???????(??)??????

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????????

• ??????????????,????Agent??????????????,??????
  ????????????????????Java???????IBM
  Aglets?,?????????????????,??????????????????,?????
  ?????????????????

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????(Mobile Agent)??
????????
?????????????????????????????????
????????????????????????????? ????????????????????
?????????????,???????????,?????????????
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???????????
?????
???????(MAS)
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???????DIDS???

• ?????????????????????(??)???,?????(??)??????
• ???
• ?????
• ??????
• ???????
• ???

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??MA?DIDS?????

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??Aglet?DIDS???????

• ??????????????????????????,???????????,??????????
  ?
• ????????? ?????????????????,?????????,???????????
  ???,????????,???????
• ?????? ?????????????,??????????????????
• ?????? ?????????????,????????????????????????????
  ?????????,??????????????
• ??????????Web??,?????????????????????????????????
  ??,???????????????????????

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MCA?????
??????
???? ????
MCA
?????
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MDA????????

• ????????? ??????????????????????????
• ?????????? ??????????????????????
• ??????????? ??????????????????

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????ATP

• ATP Transmission Protocol
• ??????? ???????????????????,??????????
• ??? ???????????????????????IDS??????????,???????
  ?

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???????
????
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IBM Aglets???????
???????????
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??????

• ????Microsoft Windows2000
• ????Java
• ?????Microsoft SQL Server2000
• ??????????WinPcap?Jpcap

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???????????
??????

• lt????????gtlt?IP-gt??IPgtlt?
• ??????typecodegtlt??gt

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???????????????
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???????????
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IBM Aglets??
Aglet??????
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Aglets????Tahiti
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Aglets?????
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??????????????
???Tahiti
???Tahiti
???? ??MDA
???? ??MDA
??????
??????
??B
??A
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????CirculateAglet????????
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? ??????

• ??????????
• ?????????
• ?????????????
• ???????

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? ??????

• ?????????
• ??????????
• ??????????

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????????!Renxh_at_tyut.edu.cn