File sharing server

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One , Shared server overview （cifs）

Provide file sharing services through the network , Provide file download and upload Services （ Be similar to ftp The server ）

Two , Create a share

Method ： Right click folder properties – share – Turn on sharing – Set share name – Set sharing permissions

notes ：
（1） When logging in locally , Receive only ntfs Impact of permissions .
（2） When logging in remotely , Will be shared and ntfs The common influence of authority , And take the intersection ！
（3） Therefore, it is recommended to set the sharing permission to everyone Complete control of , Then the specific permission requirements are ntfs You can set it in permission .

3、 ... and , Access share

At the start of the run / In my computer address bar , Input UNC Address
\ File sharing server IP
\ File sharing server IP\ Share name

choice question ：
There is a folder on the server ：d:\feifei
The server IP：10.1.1.1
Share name ：f
Which of the following methods can access the share normally ：（D）.
A.\10.1.1.1\d\feifei
B.\10.1.1.1\feifei
C.\10.1.1.1\d\f
D.\10.1.1.1\f

Case study ：
1. Open two virtual machines , And mutual ping through .
2. Set up 2003 For shared servers , And you can access the share on the client , requirement aa The account can only download ,bb Accounts can only be uploaded ,cc Accounts can be uploaded 、 Download and delete .

Four , Create hidden shares

Method ： Share name $

5、 ... and , Access methods for hidden sharing

\ The server IP\ Share name $

6、 ... and , Share related commands

net user 
net localgroup          #
net share               # List shares 
net share  Share name  /del   # Delete share 

Restart command ：shutdown -r -f -t 0

7、 ... and , The masking system automatically generates hidden shares

（1） Open the registry

Open registry editor , Enter... In the run field ：regedit

（2） Locate the shared registry location
Computer \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\ Right click to create a new type REG_DWORD Of AutoShareServer key , The value is 0.

8、 ... and , Check the local network connection status

View local open ports ：netstat -an

Nine , close 445 service

Can be closed by 445 Port to shield the incoming virus （ Such as blackmail virus ）.
Method 1： Enter... In the run field ：services.msc, And stop and disable server service .


Method 2： No access to 445, Configure advanced security firewall – Inbound rules （ stay win7 And above ,win2008 The above systems ）.

notes ：
3389： Remote desktop service
23：Telnet agreement
445： File sharing services