Ls 500 Illegal PORT command

QBox Module 3
#1

ls
500 Illegal PORT command.

Local host and Qbox port
#2

please mention your query properly

#3

when i fire ls command then above error is poped up

#4

harsha you have already posted same questions just now and again you created same topic.

#5

no its not created by me @chandra-kiran_crio

#6