Finding ID | Version | Rule ID | IA Controls | Severity |
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V-17438 | 5.473 | SV-25240r1_rule | ECSC-1 | High |
Description |
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Unsolicited inbound connections for which there is no rule allowing the connection will be blocked on a public network. |
STIG | Date |
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Windows 7 Security Technical Implementation Guide | 2012-07-02 |
Check Text ( C-18172r1_chk ) |
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If the following registry value doesn’t exist or is not configured as specified, then this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\WindowsFirewall\PublicProfile\ Value Name: DefaultInboundAction Type: REG_DWORD Value: 1 Note: If a third-party firewall is used, document this with the IAO and mark the Windows firewall settings as Not Applicable. The Desktop/Secure Remote Computing STIGs contain additional requirements for systems used remotely. |
Fix Text (F-17352r1_fix) |
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Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Windows Firewall with Advanced Security -> Windows Firewall with Advanced Security -> Windows Firewall Properties (this link will be in the right pane) -> Public Profile Tab -> State, “Inbound connections” to “Block (default)”. |