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Security engineer teaches you how to specifically set up network sharing settings
In the daily work of IT integration companies, we often come across various applications such as hardware network sharing applications, Internet access, etc. However, newcomers to the industry often find that this setting is not simple. For network sharing , Our company shares the following for everyone to see.
Let's take the WIN7 system as an example:
The detailed settings of Win 7 file sharing in the local area network. Before officially sharing the files, we need to confirm the relevant settings.
Set up the first step: open the guest guest account
Because you must open a guest account for file sharing.
Step 2: Computer related network configuration
Because the guest account does not allow access to the computer account from the network by default in the win7 system, it must be changed to allow access.
(1) Run gpedit.msc → Local Computer Policy → Computer Configuration → Windows Settings → Security Settings → Local Policy
→ User Rights Assignment
a. Find "Access the secondary computer from the network" in the Local Group Policy Editor, click, in the local security settings,
b. Find "Deny access to the second computer from the network" in the Local Group Policy Editor, click, in the local security settings, select guest, and then click Delete.
(2) Run secpol.msc → Local Security Policy → Local Policy → Security Options
A. Account: A local account with a blank password is only allowed for console login (enabled by default), set to disabled
B. Network Access: Anonymous enumeration of SAM accounts and shares is not allowed (disabled by default), set to disabled.
c. Network access: Sharing and security model for local accounts, set to guest only.
Note: This security setting determines how to authenticate to a network login using a local account.
If you set this setting to Classic, network logins that use local account credentials authenticate with those credentials. The "classic" model provides fine-grained control over access to resources. By using the Classic model, you can grant different types of access to different users for the same resource.
If you set this setting to Guest Only, network logins using local accounts are automatically mapped to the guest account.
With the "guest only" model, all users are treated equally. All users are authenticated as guests, and they all have the same level of access rights to access specified resources. These permissions can be read-only or modified.
With the "guest only" model, all users (including anonymous Internet users) who can access the computer through the network can access shared resources. You must use Windows Firewall or other similar devices to prevent unauthorized access to your computer. Similarly, when using the "classic" model, local accounts must be password protected; otherwise, these user accounts can be used by anyone to access shared system resources.
Step 3: Network and Sharing Center Settings
As shown in Figure 1, enter the "Network and Sharing Center", click to select the home group and sharing options, and then click to change the advanced sharing settings as shown in Figure 2, enter the interface shown in Figure 3, and then in the advanced sharing settings interface, select the file sharing For related options, note that when you check "Password-protected sharing", select "Turn off password-protected sharing", as shown in Figure 3. After selecting them in order, click Save and modify to exit the setting page.
figure 1
figure 2
Step 4: Turn off the firewall
Confirm Windows Firewall is turned off
Step 5: File sharing
After checking the above settings, the file sharing procedure is officially started.
(1) As shown in Figure 4, right-click "Folder to be shared" → Share (H) → Specific user ...
Figure 4
Figure 5
(2) Figure 5, select the user "guest" to share with, and click Add (A), as shown in Figure 6, there is a "guest" user in the name column
(3) Select "guest user", select the required permission level, click Share, and wait for processing, as shown in Figure 7, click Finish
Figure 6
Figure 7