McAfee is reporting incoming network connections blocked from IPs like 198.252.206.149 (StackExchange Inc.), 54.179.231.116 (Amazon Technologies Inc.), 74.125.68.106 (Google Inc.), and etc.
The ports blocked are varied,vary: e.g. 54452, 54551, 52931, 53353, 52912, 52902, 52914, 54146, 54156, 53986, 52931, 52914, 53204, 52927, 52912, etc.
These ports shouldn't be the ones used for web browsing, because I seemingly can browse "perfectly" as per usual with no anomalies.
Why am I getting these messages?
What does it mean when someone tried to connect to TCP port on my PC "without permission"?