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by bcook
1055 days ago
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> And by the way, nobody, noone forbade you from having explicit firewall rules denying anything from anywhere, not explicitly allowed. Just like it is done in a proper IPv4 configuration. Sure, in a perfect world, migrating to IPv6 should be safe, but the default configuration on many ISP-supplied routers has no firewalling beyond what NAT offers. |
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I won't say there aren't ISP routers without firewalling, but for the most part they're pretty decent at having it. It's just that the firewalling is a completely separate thing to NAT.