Which flag not 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

Explanation:
http://www.cisco.com/en/US/products/ps6120/products_tech_note09186a0080bcad00.shtml
Originally answer from dump was A meaning B or initial SYN from outside but B is not shown in the output.
The question used to read “.. 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)?
TCP Connection Flag Values