IPtables Installation And Configuration - can't connect from LBR

I can’t not reach stapp01 from LBR


If someone could help please

I tried to follow this IPtables Installation And Configuration - Failed - #5 by akshayyw

but still the problem is same ‘could not connect to stapp01 from LBR’

The commands:

The issue:

I found the solution here IPtables Installation And Configuration - Failed - #31 by mouador