These are all harmless, and can be ignored.
A ... connection attempt to TCP ... from ... :80
A ... connection attempt to TCP ... from ... :443
is the same thing, except for an https: page. You didn't report any of those, but if you see one you can ignore it, too.
A ... connection attempt to UDP ... from ...:53
is a slow response from a DNS server. Your computer sends out a DNS request to one server, doesn't get a quick response, so it tries an alternate server. One of the two servers answers, and then some time later the other server answers. The second reply is, according to the firewall, a "stealth mode connection attempt" (even though there's no such thing as a DNS connection, DNS being a "connectionless protocol").