efs trÊn workgroup

8/12/2019 EFS TRN WORKGROUP

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EFS TRN WORKGROUPMc ch

Dng Certificate m ho h thng file (Encrypt File System). To Recovery Agent phc hi d liu khi user b mt Certificate

Chun b 1 my chy Windows XP hoc Windows Server 2003 To hai user c username v password ln lt l u1/123, u2/123 Logon bng user u1 ny, trn C:, to th mc tn TestEFS_u1.

Thc hin1. M ho th mc TestEFS_u1, sau to file u1.txt, u2.txt, u3.txt a.Logon u1. Start -> Run -> mmc -> OKb.Chn menu File -> Add/Remove Snap-in -> Certificates -> Add -> Close -> OKHin ti trong Personal cha c g.Chn menu File -> Save -> Desktop. t tn file l Certificate_u1.c.M Windows Explorer -> to th mc C:\TestEFS_u1. Click nt phi chut trn th mcTestEFS_u1 -> Properties.

d.Trong mn hnh TestEFS_u1 Properties -> Advanced; Trong mn hnh Advanced Attributes -> nhdu chn Encryp contents to secure data -> OK -> Apply -> OK.e. Trong th mc TestEFS_u1, to 3 file tn u1.txt, u2.txt, u3.txt vi ni dung tu . f. Double click biu tng Certificate_u1 trn desktop -> trong Certificates ca Personal c 1 certificateca u1 (y l certificate self singing ca u1.

2. u2 v Administrator khng m c cc file ny. a. Logon vi u2, th xem, sa, xo, chp cc file u1.txt, u2.txt, u3.txt -> nhn xt?

b.Logon Administrator, m file C:\TestEFS_u1\u1.txt (u2.txt, u3.txt) -> khng m c. Th sao chp-> Nhn xt?


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o Khng sao chp, khng m cc. Admin th xo u3.txt -> nhn xt?o Xa c3. Admin to Recovery Agenta. Logon Administrator. Vo Start menu -> Run -> cmd.b. Ti mn hnh Command Prompt, g cc lnh sau:- cd\

- md luu- cd luu

Trong luu, nh lnh cipher /r:filename (vd: cipher /r:user_recover). Enter. Chng trnh s to ra 2 file.cer v .pfx. Thot cmd, v liWindows.

4. p policy Recovery Agent c kh nng c cc file b m ho a.Logon Administrator. Vo Start -> Run -> g gpedit.msc -> OK.b.Chn Computer Configuration -> Windows Settings -> Security Setting -> Public Key Policies ->Click nt phi chut trn Encrypting File System. Chn Add Data Recovery Agentc. Mn hnh Welcome xut hin -> Next. Trong mn hnh Select Recovery Agents -> Chn BrowseFolders.d.Tm n th mc c:\luu -> chn file user_recovery.cer -> Open (lu : file .cer).

e.Trong mn hnh Select Recovery Agents -> Next.f.Trong mn hnh Completing the Add Recovery Agents Wizard -> Finish. Thot ra cmd, g lnhgpupdate /force.


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g.Vo Start -> Open: mmc -> OK. Trong mn hnh Console 1 -> Menu FileAdd\Remove Snap-in ->Add -> Certificates -> Chn My user account -> Finish -> OK.h. trong Personal cha c g.i.Click nt phi chut trn Personal -> All Tasks -> Import.j.Mn hnh Welcome xut hin -> Next. Ch n th mc c:\luu -> Chn file c biu tng chakho (c phn m rng l .pfx).

k.Trong mn hnh File to Import, nhn Next.l. Trong mn hnh Password, chn Mark this key as exportable -> Next -> Finish.m.Kt qu sau khi import certificates nh hnh (c thm 2 mc ca s bn phi). 5.u1 to file mi: logon u1, to file mi c:\TestEFS_u1\u4.txt6. Kim tra chc nng Recovery Agenta. u2 th xem, sa, xo, chp cc file ca u1 -> nhn xt? Khong xem sa xa cb.Admin m file u4.txt -> m c

c. Admin m file u1.txt -> khng m c


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d. Logon u1, m file u1.txt ri ng li.e. Logon Administrator, m li file u1.txt: c. -> nhn xt?

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Phm Minh Tun

Web Phim HD Online S 1 VN:phim.biz

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