What is this oil leak?

Hello everyone, I noticed that there is a little oil leaking from the bottom of the car. I pulled this part. Since I don't understand much, I wanted to ask you from the engine. Where would you recommend it for a change?

Professor, the problem in the oil filter cover is either missing from its gasket or there is a crack in the cover.

Thank you. I'll take it to the masters immediately.

For those who wonder, the gasket has become petrified over time. It was changed quickly and cut off instantly. If you see this is the problem of gasket or lid crack.

I also have this close. said the master a chronic problem. Does anyone have information?

[QUOTE = sezzginkaya] I also have this close. said the master a chronic problem. Does anyone have knowledge? [/ QUOTE] It is not a chronic problem, but my teacher causes such problems because the foreman or master who wears it is over-tightening or cannot fit the gasket properly.