How do I find what ports are being used on my mac?

1135

---

How do I know if my ftp port 21 is blocked?

970

---

How do I stop pid 4 from using port 80?

1071

---

How do I unblock a port?

1154

---

Is port 80 open on my network?

1050

---

Is port forwarding dangerous?

1101

---

Is port forwarding necessary?

1051

---

What is port address?

1057

---

What is port 135 commonly used for?

1111

---

What is port number and why it is used?

1038

---

What is the difference between a port address a logical address and a physical address?

1154

---

What port number is 8080?

1076

---

Which port does netflix use?

1094

---

What is protocol extension?

1125

---

Is http based on tcp?

1038

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