????? ????? ???? "??? Windows" ????? ????? ??? ?????

?????? ????????? ?????? ?????????
???? ???????: 884776 - ??? ???????? ???? ????? ????? ??? ???????.
????? ???? | ?? ????

?? ??? ??????

????? ???

????? ????? ??????? Windows ???? "???? ?????" (???? W32Time) ????????? ?? ??? ???????? ?????? Kerberos. ????? ?????? Kerberos ??? ??? ?????? ?????? ??? ????? ????????? ??? ????? ??? skew ???? ?????? ???? ????. ?????? ?????????? 5 ????. ????? ???? ????? ????? ???? "???? ?????". ??? ????? ????? ???? ??? ??????.

??? ???? "???? ?????" ?? ?????? ?? ?? ???? ????? ????????? ?? ????? ???? ???? ?????? Microsoft Windows 2000 ?? ????????? ?????? ?? ????? ????? Windows ?????? ?????? ???????. ?????? ?? ?? ??? ??????? ????? ????? ?????? ?????? "???? ?????" ????? ??? ????? ???? ????? ?? ??????. ???? ???????? ?????? ????? ????????? ???????? ??? Windows ??????? ?????? ??????:
  • ???? ????? ????????? ???????? ??????? ?????? ???? ?????? ??????? ????? ??? ????? ???.
  • ?? ????? ???? ???? ?????? ??? ??????? ???? ?????? ????? ????????? ???????? ???????.
  • ????? ???? ????? ???? ?????? ?? ???? ?????? ???????? (PDC) ?? ???? ???? ???????? ???????? ????? ???.
  • ???? ???? ????? ?????? ??????? ?????? ???????? ?? ????? ???? ????? ????? ???. ??? ???? ?? ?????? ????? ?????? ???? ???? ???? ??? ???????? ??? ????? stratum.

    ?????? ????? ??? ???? ????? ????? ???? ??? ??? ???? ?????? ???????. ???? ??? ????? ??????? ????? ?????? ???? ????? ???????.
?? ??? ??????? ??????? ???? ?????? pdc ?? ????? ????? ??????? ???? ???? ??????? ??????? ???????. ??? ???? ???? ?? ???? ?????? ???? ??????? ??????? ?????? ????? ?? ???? ????. ??? ?????? ????? ???? ??????? ??????? ???????? ?? ??? ????? ??? ??????? ?? ???? ??????. ??? ???? ?????? ??????? ????? ????? ??????? ?????? ????????? ??????? ????????. ??? ????? ??? ????????? ?? ????? ??? ???? ??? ??????.

??????? ????

?????? ?????? ??? ??? ?? ????? ????????? ???? ?? ????? ??? ????? ???? ???? ?? ???? ?????? ?? ?????? ????? ?? ??? ????? ?????? ?? ???????? ?? ?? ??????. ???? ?? ???? ???????? ??????? ?? ????? ????????? ?? ??? ?????? ?? ???? ??? ????? ?? ?????:
  • ???? ????? ????? ?????? ??? ?????? ????????? ??????? ?????????? ??????? ????? ??? ??????.
  • ???? ????? ???? ? 2042 ??????? ????? ???????? NTDS ????? ???????? ????? ?????? Active Directory.
  • ?????? ?????? ??? ????? ????? ?????? ??????? ????????? ?? ??????? ??????????? ?? ??????? ?????. ?? ????? ????????? ?? ????? ??? ??????? ??? ????? ????? ???? ?????? ?????? ??? ???? ???????? ???? ??? ?? ?? ?????.

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

????? ??? ????? ????? ????? ????????? ?????? ??????? ????? BIOS ????? ?? EPROM ??????? ???????? ??? ?????? ???? ?????????. ??? ??? ????? Windows? ???? kernel ????? ?????? ?? BIOS. ???? ?? ????? ?????? ????? ?????? ??? ???? ?????? ???? W32Time ?? ???? ??? ???.

???? ???? ????? ?? Windows 32 ????? ???????? ???????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection. ????? ??? ????????? ??????? ???? ???? ???? ????? ??? ??????? ???? ??? ??? ??????? ???? ?? ??????? ?? ??????? ????.

????? ????? ??????? ??? ??????? ?? ???? ?????? ???? ??? ?? ???? ????? ????? ??? ??? ??? ?????? ????? ???? ????? ??????? ???? ???? ??????? ????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection. ??? ??? ????? ????? ??? ??? ?????? ???? ???? ??????? ??????? ?????? ???? ??? ??????? ?????? ?????? ??????. ??? ??? ????? ????? ?? ??? ??? ??? ??????? ??? ????? ????? ????? ????? ????? ?????? ??????? ??????? ?? ??? ??? ??? W32Time:
*TOO BIG*
??? ????????? ????? ???? ????????? ????? ??????? ??????? ????????? ????? ??????? ????? ????????? ?????? ????? ?? ??????? ??? ??? ???? ????? ??????? ????? ??? Windows. ??? ?????? ?????? ??? ????????? ??? ??????? ????????? ?? ??? ????? ????????? ?? ???? ?????? ?? ??? ????? ?????? ????? ?? ???? ???? ??? ?????.

?????? ??? ??? ??? ????? ??? ????? ??????? ????????? ??????? ????????? ?? ??? ??????? ?? ???????.

?????? ?????????? ???????? ??????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection ?? ???? ??????? Windows 2000 ??? ???? ??????? Windows XP ?? Windows Server 2003 ????? ??????? Windows vista ?? ?????? ???????:
0xFFFFFFF
??? ?????? ???? ????????? ????? ??? ????? ?? ?? ????? ?????? ??? ????? ?? ??? ?????.

?? Windows Server 2008? ?? ?????? ???? ???????? ????? ???????? ??????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection. ??? ?????? ?????????? ??????? 48 ????. ????? ??? ??? ?????? 48 ???? ???? ????? ???????:
  • 2a300 (?? ????)
  • 172800 (????)
???? ??? ??? ????? ??????? ??????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection ??? ???? ??? ?????? ???????:
???? ?????? (0XFFFFFFFF)
?????? ??? ????? ?????? ??? ???? ???? ???? ?????? (0xFFFFFFFF)? ????? ??? ????? ????????? ?? ??? ?????? ??? ???? ???? ?? ?????????? ??? ??? ????? ????? ????????? ?? ???? ??????? ????? ???? ?????. ??? ???? ??????? ?? ???? ???????? ?????? ???? ???? ?? MaxPosPhaseCorrection ?????? ??????? ??????? MaxNegPhaseCorrection ???? 48 ???? ??? ???? ????? ???? ?????? ?? ?????? ????. ??? ???? ??? ???? ???? ???? ????? ???????? ???? ??? ????? ????? ?? 48 ????? ?????? ???? ??? ???????? MaxPosPhaseCorrection ???????? ??????? MaxNegPhaseCorrection ???? ????? ????????? ?????? ?? ????? ???????? ?? ????? ????. ????? ???? ???????? ????? ????????? ??? ??????? ???? ?? ????? ????????? ?????? ??? ???? ??????? ??????? ?????? ??????? ???????.

??? ????? ??? ???? ??? ??? ??????? ??? ???? ???? ?????? ???????? (PDC). ??? ???? ??? ????? ?????? PDC? ???? ?? ???? ??????? ??????? ??? ????? ??? PDC ???????? ??? ?????? ???. ??? ??? ???? ????? ????? ??? PDC? ????? ??? ????? ???? ???? ???? ?? ?????? ???? ?? ???? ????? ??????.

?????? ?????????? ? 48 ???? ????? ?? ???? ???????? 5 ????? ?? 15 ????? ???????? ??? ??????? ???????:
  • ??????? ?? ?????? ???????? W32TM ????? ?? ???????.
  • W32TM ????? ?? ?????? ????? ??? ????? ????????? ??????? ???? ???????? ???????.
  • ??????? ???????? ???? ??? ???? ??????? Windows ?????????? ?? ??? ?????? ?????? ??? ??????? ?????. ????? ??????? ???????? ???? ??????? ?????? ??? ???:
    • ?? ??? ??????
    • ???? RPC ??? ?????
    ?????? ??? ??????? ??? ????? ??????? ?????? ??? ??? ????? ???? ?? ????? ??? ?????? ???? ??? ???? ????? ????????? ???????? ??? Windows.
  • ???? ?? ???? ????? ??????? ?????? ?????????? ????? ???? ?????.
  • ???? ????? ???? ? ?? ? ?????? ??? 12 ????.
  • ????? ????? ?? ????? ???? ?????? ??? ??? 24 ????.
?????? ??? 48 ???? ????? ????? ????? ?????? ??? 25 ?? 36 ????. ???? ????????? ???? ???? ?????? ???????? ????? ??? ????? ?????? ??????? ?????????.

?????? ????? ???? ???? ????????? ?????? ???? ??????? ?????? ?? ??????? ???????.

???? ??????? Windows Server 2003 ? Windows XP Professional

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

??? ?????? PDC (???? ????? ??????? ??)
??? ???? ???? ?? ???? ?????? ???? ??????? ??????? ?????? ????? ?? ???? ????. ????? ???? ?????? ???? ??????? ??????? ???????? ?? ??? ????? ??? ??????? ?? ???? ??????. ??? ????? ????? ??????? ??????? ???????:
  • MaxPosPhaseCorrection
  • MaxNegPhaseCorrection
?????? ?????????? ???? ??????? ??????? ?? 0xFFFFFFFF. ???? ??? ?????? ?????????? "???? ?? ????? ?????." ???? ????? 48 ????. ???? ????? ?? ??????? ? 2a300 (?? ????) ?? 172800 (????). ???? ?????? ???? ??????????????? ????? ??????? 10 ?? ??? ?? ?? ?? ????? ???? ????? ??????? ?????????????????? ??? 3600 (????) ?? ???.
????? ?????? ??????? ????????? ??????? ???? ??????
????? ??????? ????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection ???? ???????? 0xFFFFFFFF. ???? ??? ?????? ?????????? "???? ?? ????? ?????." ???? ?????? ??? ?????? ??? 48 ???? ??? ???? ????? ???? ??????. ????? ???? ????? ?????? 48 ???? ??? ??????? ??????? ???? ???? ?????? ????????? ???????? ??? ??????? ?????.

?????? ????? ?? ????????? ??? ??????? ????? ???? ???? ?????? "Windows ?????? 2003 ? Windows XP ??????? ??? ???? ???".

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

??????? ????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection ????? ??? ???? ???????? 54000 (15 ????). ?????? ????? ????? ???? ?????? ??? ?????? ??????????. ??? ???? ?????? ?????? ??? 3600 (???? ?????) ?? ???? ????? ????? ????? ??? ????? ?? ???? ??????? ??? ???? ????????? ?????? ???? ??????? ??????.

??????? ???? ????? ?? Windows XP ? Windows Server 2003

?? ??? ??????????? ??? ??????
????? ???????MaxPosPhaseCorrection
??? ??????DWORD
??????? ??????
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config
?????????? ??????? ?????? ???? ????? ??? ???? ???????? ???? ???? ?? ?????? ??????. ??? ???? ?????? ?? ?????? ???? ?? ??? ?????? ???? ?????? ??? ????? ?? ???. ???? ????: 0xFFFFFFFF ???? ????? ????? ????? ??????. ?????? ?????????? ?????? ?????? ?? 0xFFFFFFFF. ?????? ?????????? ???????? ???????? ???????? ?? 54000 (15 ????).
?? ??? ??????????? ??? ??????
????? ???????MaxNegPhaseCorrection
??? ??????DWORD
??????? ??????
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config
?????????? ??????? ?????? ???? ????? ??? ???? ???????? ???? ???? ?? ?????? ??????. ??? ???? ?????? ?? ?????? ???? ?? ??? ?????? ???? ?????? ??? ????? ?? ???. ???? ????:-1 ???? ????? ????? ????? ??????. ?????? ?????????? ?????? ?????? ?? 0xFFFFFFFF. ?????? ?????????? ???????? ???????? ???????? ?? 54000 (15 ????).
?? ??? ??????????? ??? ??????
????? ??????????????????????
??? ??????DWORD
??????? ??????
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config
?????????? ??????? ?????? ???? ???? ???? ???????? ???? ?? ?????? ?????? ?????? ?????? ?? ??????. ???? ???? ??? ????? ?? ??? ??? ?? ???? ???? ?????????? ???? ?????? ?????? ???????? ???? ?? ???? ???? ?????? ????? ??? ??? ?????. ?????? ?????????? ?????? ?????? ?? 10. ?????? ?????????? ???????? ???????? ???????? ?? 15.
?? ??? ??????????? ??? ??????
????? ?????????????????????????
??? ??????DWORD
??????? ??????
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpClient
?????????? ??????? ?????? ???? ????????? ?????? ????? ???????? ??????? ???????. ??? ????? ??????? SpecialInterval 0x1? ?????? W32Time ???? ????????? ?????? ??? ????? ?? ???? ??????? ???? ???? ???? ???? ???????. ?????? ?????????? ?????? ?????? ?? 3600. ??????? ?????????? ??????? ???????? ???????? ?? 604800.
?????? ???? ???????? ???? ?????? "??????? ????????" ???? ??? ?????????. ????? ?? ????????? ??? ???? ????? ?? Windows ?? ?????? ?????? ???????? ??? Windows Server 2003? ?? ?????? ???? Microsoft TechNet ??? ??? ??????:
http://technet.microsoft.com/en-us/library/cc773061.aspx
?? ?? ????? ????? ?????????? ???? ?? ??????? ?? ????? ?? ????? ???? ?????? ???????? ??? Windows Server 2003 ?? ??? Windows ?????? ??????? ????? ?????????? ???? ?? ??????? ?? ???? "??? ????????" (GPO). ??? ??? ????? MaxPosPhaseCorrection ? MaxNegPhaseCorrection ??? ????? ???? ???? Windows Server 2003 ???????? ???? ??? ??????? ???? ?? ?? ???? ??? ???????? ?? ????? ??? ???????? ?????? ???? ????? ?? Windows ?? ???????. ??? ?????? ???? ????? ?? Windows ???? ?? ???? ???? ????? ?? GPO ??????? ??? ??????? ????????? ?? ????? ?????? ???????.

???? ??????? Windows 2000 Service Pack 4 (SP4)

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

??? ?????? PDC (???? ????? ??????? ??)
??? ???? ???? ?? ???? ?????? ???? ??????? ??????? ?????? ????? ?? ???? ????. ????? ???? ?????? ???? ??????? ??????? ???????? ?? ??? ????? ??? ??????? ?? ???? ?????? ?? ????? ??????. ??? ????? ????? ????? ??????? ?????????????????????. ?????? ?????????? ?? 43,200. ?????? ?????? ??? ?? 900 (15 ?????) ?? ???? ????? ???????? ??? ???? ????? ??? ???? ??????? ???? ??????? ??????. ???? ????? ???? ??? ???? ????????? ??????. ???? ??? ??? ????? ???? ?????? ?????? ????????? ??? ???? ????? ??? 24 ????.

?????? ????? ?? ????????? ??? ????? ????? ??? ???? ?????? "Windows Server 2000 SP 4 ????? ??????".
????? ?????? ??????? ????????? ??????? ???? ??????
?? ??? ???????? NT5DS. ?????? ???? ????? ?? ??????? ?????? ?????? ????? ????? ???? ???? ????????? ???????. NT5DS ???? ?? ????? ????? ??? ????? ??? ????? ?????? ?? ????? ???? ????? ?? ???? ??? ???? ?????? ?????? ?????? ?? ?????? ??????? ??????? ?????.

?????? ???? ???? NT5DS ??? ?????? ??? ??? ???????? ?? ????? ?????.

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

????? ??????? ????????????????????? ?? ???? ???????? ?????? 200 43 (12 ????). ?????? ????? ????? ???? ?????? ??? ?????? ??????????. ???? ?????? ?????? ??? 3600 (???? ?????) ?? ???? ????? ???????? ??? ???? ????? ??? ???? ?????? ??? ???? ????????? ?????? ???? ??????? ??????.
????? ??????? Windows Server 2000 SP 4
?? ??? ??????????? ??? ??????
????? ????????????????????????????
??? ??????DWORD
??????? ??????
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters
???????????? ????? ?????? ???? ??? ???? ????????. ????? ??? ????? ?????? ??? ??? ????? ?? ???????? ??? ??????. ???? ??? ?????? ???????? ?? ??????? ?? ?? ???? ??? ????? ?????. ?????? ?????????? ?????? ?????? ?? 43,200.

???????

???? ???????: 884776 - ????? ??? ??????: 10/????? ??????/1435 - ??????: 14.0
????? ???
  • Microsoft Windows XP Professional
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Web Edition
????? ??????: 
kbsecurity kbhowto kbinfo kbmt KB884776 KbMtar
????? ????
???: ??? ????? ??? ??????? ???????? ????? ?????????? ??????? ?????? ??? ??????? ?? ??? ??????? ?? ??????? ??? ??? ?? ???? ????????? ???? ??????? ???????(CTF) ?? ?? ???? ????? ????. ???? ?? ???? ?????????? ??? ???????? ???????? ???? ??? ?? ???????? ??????? ?? ??? ??????? ???????? ?? ??? ??????? ??????? ??? ?????? ?? ?????? ??? ???? ???????? ???????? ?? ????? ??????? ????? ????? ??????. ??? ?? ???????? ???????? ?? ????? ??? ????? ?? ???????? ?? ???? ????? ?? ?????. ?????? ??? ???? ?????????? ???? ?????? ?? ??? ????? ?? ??? ??? ?? ??????? ?? ??? ????? ?? ???? ????? ????? ?? ????? ??????? ???? ?? ???????? ?? ??? ???????.
???? ??? ????? ??????? ?????? ??????????884776

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

 

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