Firewalling Issue
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Hi All,
I face some problem here. my network as attached 1.jpg, the problem is I can ping through site A from site B using public ip but I cant ping from site A to site B. If I enable one rule as shown on attached 2.jpg, it works. But I cannot allow to open all ports. Please advise. :) thanks in advance~.
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if you only want to allow ping, then make a rule with only ping:
protocol=icmp, icmp-subtypes=echo request/reply, source=site a, destination=site b. -
silly me, I forgot to change the protocol to any since I need to temporarily open all ports.