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I'm creating port forwarding rules on my DD-WRT router (shown below) and want to allow all (any) source networks access. My thought was to specify 0.0.0.0/32 but that is not working. How do I specify this?

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try alex's edit to his answer about leaving the field blank or trying 0.0.0.0/0 Leaving the field source net blank is also mentioned in a post here dd-wrt.com/phpBB2/viewtopic.php?p=509730 –  barlop Mar 23 '13 at 4:43
    
That works! I originally had tried this and thought it did not work, but I insufficiently tested it. –  Matt Mar 23 '13 at 18:00
    
Does 0.0.0.0/0 also work? –  barlop Mar 24 '13 at 3:14
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1 Answer 1

up vote 3 down vote accepted

There are no "wildcards" for specifying IP address ranges. You need to use subnets instead. You can see examples of subnets in the "Source Net" column.

So instead of 192.168.*.* you need to use 192.168.0.0/16

in DD-WRT I believe you need to leave the field blank in order to set it to 0.0.0.0/0

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Yup, I realized that after I posted and just edited the question. It's the means of specifying all/any source networks that I want to determine. –  Matt Mar 23 '13 at 2:47
    
have you tried to leave it blank? –  Alex P. Mar 23 '13 at 3:44
    
That works! I originally had tried this and thought it did not work, but I insufficiently tested it. I'm going to mark your answer as accepted. Maybe you could edit your response to move the 'in DD-WRT I believe you need to leave the field blank in order to set it to 0.0.0.0/0' sentence to the top, or perhaps remove everything else. –  Matt Mar 23 '13 at 17:59
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