????? ????? URLScan ??? ?????? ????? ?? ???? Null ?? IIS

?????? ????????? ?????? ?????????
???? ???????: 312376 - ??? ???????? ???? ????? ????? ??? ???????.
??? ????? ??? ???????. ????? "??? ??" ??? ??? ??????? ??? ????.
???? ???? ????? ?????????? ??????? ??? Microsoft ????? ??????? ?????? (IIS) ??????? 7.0 ????? Microsoft Windows Server 2008. IIS 7.0 ????? ???? ?????? ??????? ??? ???? ?????. ????? ?? ????????? ??? ???????? ??? ????? ??????? IIS ?? ?????? ???? Microsoft ?????? ??? ?????:
http://www.microsoft.com/technet/security/prodtech/IIS.mspx
????? ?? ????????? ??? IIS 7.0 ?? ?????? ???? Microsoft ?????? ??? ?????:
http://www.iis.net/default.aspx?tabid=1
????? ???? | ?? ????

?? ??? ??????

??????

???? ??? ??????? ???? ????? ??? ????? ????? URLScan ?????? ?????? ???? ????? ?? ????? ??????? ?????? (IIS).

????? ???

??? URLScan ???? ????? ?????? ???? ??????? ????? ????? (ISAPI) ????? ????? ??????? ????? HTTP ?? IIS. ??? ??????? URLScan ?????? ?????? ????? ?? IIS 4.0 ? IIS 5.0 IIS 5.1 ??? ????? ?????? ?? ??????.

???? URLScan ???? ??? ?? ??????? ?? ???? ??????? ?? ????? HTTP rejecting ?? IIS ?????? ???? ?????????. ????? ??? Urlscan.ini ????????? ??? ????? HTML ???????, ??? ?? ??? ????? ???????? ???? ? ??? ??????? ??????? ?? ?????:
  • ????? .exe ????? ???????? (CGI) ???????
  • ??????? ??? ?????? ?????? ??????? (WebDAV)
  • ?????? ???? FrontPage
  • ???? ??????
  • ??????? ??? ??????
  • ????? ?? ???? ??????
??? ??? ???? URLScan ?? ??? ??????? 6.0.3574.0 ????? ????? URLScan ?????? ????? URL ??????? ?? ???? ?????.

????? ??? ????? URLScan ?????????

?????? URLScan ??? ????? ??? ???? ??? IIS ???? ??????? ???????:
  1. ????? "???? ????? IIS" ?? ???? Microsoft ?????? ??? ????? ??? ?? ???? ??? ???? ????:
    http://www.microsoft.com/technet/security/tools/locktool.mspx
  2. unzip ????? IISlock.exe ??? ?? unzip ????? Urlscan.exe. ??? ????? ???? Urlscan.
  3. ??? ?????? Urlscan ?? ?????? %Windir%\System32\Inetsrv. ???? ????? ??????? ??? ?????? Urlscan ??? Inetsrv ?? ?? ???? Urlscan.ini ?? "???????".
  4. ?? ??? Urlscan.ini ???? ?? ????? UseAllowExtensions ??? ???:
    [Option]
    UseAllowExtensions=1; if 1, use [AllowExtensions] section, else
    					
  5. Urlscan ???? ?? ?????? ???? ????? ?? ?????? [AllowExtensions]. ?????? ????? ?? ?????? ???? (.) ?? ?????? [AllowExtensions] ??? ???:
    [AllowExtensions]
    .
    ;
    ; Extensions listed here are commonly used on a typical IIS server.
    ;
    ; Note that these entries are effective if "UseAllowExtensions=1"
    ; is set in the [Option] section above.
    ;
    .asp
    .htm
    .html
    .txt
    .jpg
    .jpeg
    .gif
    					
  6. ?? ??????? ???? ???? ??? ??????? ? ??? ??? ????? ??????? ?? ???? ??? ????? ????? ?????? ?? ???? ????? Microsoft ???????? (MMC) ???? ????? ??? ?????? ???????? IIS.
  7. ?? MMC IIS, ?? ?????? ??? ??????? ??????. ???? ??? ?????? ?????? ??? ??? ????????? ?? ???? ??? ?????. ???? ??? ???? WWW ?? ???? ??? ?????.
  8. ??? ????? ??????? ????? ????? ISAPI ? ???? ??? ?????. ???? urlscan ???? ???. ?? ???? ???? "??????? ???????" ? ???? ??? ??????? ???? urlscan.dll ?? ???? %Windir%\System32\Inetsrv\Urlscan.
  9. ?? ???? ????? MS-DOS ????? Net stop iisadmin ?? ?? ?????? "Net start W3SVC" ?????? ????? ????? IIS ??? ???. ???? ?? ????? Urlscan.dll ??? ????? ?? ?? ???? ???? ????? ISAPI Urlscan.dll ??? ?????? ?????? ?? ????? ????? ???????.



?????

?????? ??? ??????? ?????? ??? ????? ????? ?????? ???????? URLSCAN ?????? ???? ??? ??? ??????? ????? ?????? ?? "????? ??????? ?? Microsoft:
307608INFO: ???? ???? ?????? URLScan





???????

???? ???????: 312376 - ????? ??? ??????: 28/???? ??????/1435 - ??????: 5.1
????? ???
  • Microsoft Internet Information Server 4.0
  • Microsoft Internet Information Services 5.0
  • Microsoft Internet Information Services version 5.1
????? ??????: 
kbnosurvey kbarchive kbmt kbhowtomaster KB312376 KbMtar
????? ????
???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????
???? ??? ????? ??????? ?????? ??????????312376

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