Internet connection sharing must be disabled.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-220803 | SRG-OS-000095-GPOS-00049 | WN10-CC-000044 | SV-220803r958478_rule | 2025-02-25 | 3 |
| Description |
|---|
| Internet connection sharing makes it possible for an existing internet connection, such as through wireless, to be shared and used by other systems essentially creating a mobile hotspot. This exposes the system sharing the connection to others with potentially malicious purpose. |
| ℹ️ Check |
|---|
| If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\Network Connections\ Value Name: NC_ShowSharedAccessUI Type: REG_DWORD Value: 0x00000000 (0) |
| ✔️ Fix |
|---|
| Configure the policy value for Computer Configuration >> Administrative Templates >> Network >> Network Connections >> "Prohibit use of Internet Connection Sharing on your DNS domain network" to "Enabled". |