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› UKTH forums › Wireless Routers & Modems › AVM & Wireless › Fritz!Box 3490 Port 113 Closed (Not in Stealth) Ok, So I plugged back in my Fritz!Box 3490 yesterday and it is running the latest firmware (07.01) and have run a GRC SHIELDSUP (https://www.grc.com) test on the router to... › Reply To: Fritz!Box 3490 Port 113 Closed (Not in Stealth) Ok, So I plugged back in my Fritz!Box 3490 yesterday and it is running the latest firmware (07.01) and have run a GRC SHIELDSUP (https://www.grc.com) test on the router to…
Simply no.
And it is explicitly mentioned in AVM-help: https://service.avm.de/help/en/FRITZ-Box-7590/019/hilfe_internet_filter_listen
Dont know, but possibly AVM may use it to see whether your modem is up and running (at least online on your DSL-line) for MyFritz-Service.
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