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Hi,

I need to block xdmcp traffic between LAN and WAN through my DIR-600 router.
Specifically, to block UDP port 177 and TCP ports 6000-6009 from the server to any IP, and vice-versa.
Setting up port range is obvious, but setting up "any IP" range in DIR-600 Firewall rules is lacking documentation.
Not a word in the manual, and attempts to use common syntax for other firewalls, such as "*" or "anywere", are rejected with the message "invalid IP address".
Googling around did not help. But in the manual for the DIR-615 router I found, in the Firewall section,  the following:

¨D-Link DIR-615 User Manual 44 Section 3 - Configuration Inbound Filters The Inbound Filter option is an advanced method of controlling data received from the Internet. With this feature you can configure inbound data filtering rules that control data based on an IP address range. Inbound Filters can be used with Virtual Server, Port Forwarding, or Remote Administration features. Name: Enter a name for the inbound filter rule. Action: Select Allow or Deny. Enable: Check to enable rule. Source IP Start: Enter the starting IP address. Enter 0.0.0.0 if you do not want to specify an IP range. Source IP End: Enter the ending IP address. Enter 55. 55. 55. 55 if you do not want to specify and IP range. Save: ¨

Question IS:
Does the DIR-600 Firewall interpret these values (meta-data for ranges, mentioned in the DIR-615 manual) the same  way the DIR-615 is supposed to interpret? Since the DIR-600 accepted these values (without the error msg "invalid IP address"), how do I know my rules are being properly interpreted?

thanks