DLS Posted January 15, 2012 Report Share Posted January 15, 2012 Hi, Following on from getting a number of external blocked IPs that I can't explain I'm looking to lock down our PBX as much as ppossible. I have outbound proxy addresses in place for all trunks, limited inbound access on the trunks to our ITSPs address, and am locking accounts to fixed IPs for the phones. What I can't work out is how to block access to the PBX so that anything outside our local subnet and the trunks has no access. I've set the access to allow for 192.168.x.0/24 to allow, but unsure what to do to block all others. I'm assuming something like 0.0.0.0/0 but not 100% sure and didn't want to lock myself out of the PBX! Cheers Andrew Quote Link to comment Share on other sites More sharing options...
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