IT security just implemented new security policies at a customer site. When VPLEX Management Server sends
SYR reports to an ESRS gateway nothing is received at the gateway.
What action did IT security take that would cause this?

A.
Block TCP port 443 and 22

B.
Block TCP port 80 and 21

C.
Block TCP port 9090 and 5910

D.
Block TCP port 21 and 445