5432/tcp open postgresql PostgreSQL DB 9.6.0 or later │ | fingerprint-strings: │ | SMBProgNeg: │ | SFATAL │ | VFATAL │ | C0A000 │ | Munsupported frontend protocol 65363.19778: server supports 2.0 to 3.0 │ | Fpostmaster.c │ | L2071 │ |_ RProcessStartupPacket