I request assistance to understand the operation of Litecoin Core!

Install Litecoin Core on my laptop with Win 7 Ultimate 32 bit. I encrypted my purse and is in the process of synchronization.

Now, the following synchronization message appears:

Enter the “Help” menu, option: “Debug Window” and the following window appears, where in “Network” detail there are 8 connections (Incoming: 0 / Outgoing: 8). My question is: Why are only outgoing connections listed?

Also, I check the “PARES” tab and I have the following information:

As I am new to the world of cryptocurrencies and started only two months ago, I would like to know if it is normal for IP addresses that I do not recognize in my wallet to appear connected? Or should I make an additional configuration?

If someone can explain this to me, it would be great. Thank you!!