Quick Answer: How Do I Check If My Firewall Is Blocking Windows 10?
Contents

How do I check if a firewall is blocking a port?

With the Command Prompt open, type:

  1. Netstat -ab.
  2. netsh firewall show state.
  3. netstat -ano | findstr -i SYN_SENT.

How do I make sure my firewall is not blocking?

Windows Firewall is Blocking Connections

  1. In the Windows Control Panel, double-click Security Center, then click Windows Firewall.
  2. On the General tab, ensure Windows Firewall is On and then clear the Don’t allow exceptions check box.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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