Yep. eBay "scans" your computer using browser websockets after you login, looking for specific ports.
— B:\a.zza (@mcbazza) May 24, 2020
I see ports typically used by RDP, VNC, remote access/control. 14 were probed.
They'll probably say it's for *my* safety.
Not cool, eBay. Not cool. pic.twitter.com/BJQlxmkqbS