OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Port forwarding with D-link router › Reply To: Port forwarding with D-link router July 30, 2015 at 2:59 pm #39584 RayKeymaster @Tim, yes, Virtual Server is fine, my TP-LINK router also uses the term ‘Virtual Server’ instead of port forwarding. You said “Protocol as 6, and no filtering”. I don’t know what Protocol 6 means. It sounds like something non-standard.