Which flag shown in the output of the show conn command is used to indicate that an initial SYN packet is from the outside (lower security-level interface)?

Which flag shown in the output of the show conn command is used to indicate that an initial SYN packet is from the outside (lower security-level interface)?

A.
B

B.
D

C.
b

D.
A

E.
a

F.
i

G.
I

H.
O