I have the USG210 firewall
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Maybe its Multicast traffic on your LAN?
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No they're not IP addresses from my network. They are IP's like
42.60.77.202
99.84.159.7
151.101.1.70
13.226.59.215
54.119.161.212
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source or destination?
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those are the source IPs.
The destination is IPs on my local network. 192.xxx.xxx.xxx0 -
Is the UPnP enabled?
Do you have any NAT rules?
Do you have firewall rules from WAN to LAN ?
Is the Default rule set to deny?
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Default behaviour of the USG is to deny more or less all incoming connections with the last security rule any to any, any protocoll = deny.But security rules must be activated and this default rule must be set to deny action.If you still have unwanted incoming traffic disable some 'allow' rules you may have. (Careful with rule to the Zywall device itself, otherwise you are locked out).Additionally there are a lot of log and traffic capture features in the Zywall which may help with such problems.
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Hi @BilliamThe IP reputation filter should be able to fulfill this scenario which is supported on ATP series. This feature can provide you real-time threat protection.On USG series, you can set a blocklist IP as an address object group.And set security policy to block the specified source and destination IP from them.
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