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What is OWE (Opportunistic Wireless Encryption)?OWE is a technology that allows wireless devices to establish encrypted connections to public Wi-Fi hotspots (for example from cafés, bars or the FRITZ!Box's guest access) even without Wi-Fi access information. Without OWE, Wi-Fi connections to public Wi-Fi hotspots are established without encryption. This way, there is a risk that data could be read...

Restricting internet access for apps on a smartphone or tabletThe FRITZ!Box parental controls not only allow you to limit internet access time, you can also block particular applications from accessing the internet. You can use the FRITZ!Box's filter lists for websites to regulate internet access for individual apps such as WhatsApp or Facebook. However, many apps establish connections to numerous...

Application (e.g. SSH) occasionally loses its connection to remote sites on the internetThe internet connection of a single application is cleared after about 15 minutes, although you can open web pages on the same computer at the time the error occurred. This issue occurs with SSH (Secure Shell) or Telnet connections to remote sites on the internet, for example. Cause To guarantee the security...

Changing the name of the FRITZ!Box's working groupThe FRITZ!Box makes connected USB storage devices available for sharing in the home network under the Workgroup name "Workgroup". If you gave the working group in your home network another name, you can change the name of the FRITZ!Box working group.Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS...

FRITZ!Box reports "An unsupported USB device has been connected"Certain USB devices such as TV tuners, webcams, or audio devices cannot be used with the FRITZ!Box. When the USB device is connected to the FRITZ!Box, the message "An unsupported USB device has been connected. USB device [...] isochronic, plugged in" is displayed in the event log of the FRITZ!Box.The FRITZ!Box does not support the USB...

FRITZ!Box reports "Log in with internet service provider failed"The FRITZ!Box cannot establish an internet connection in router mode (standard). The error message "Log in with internet service provider failed [...]" is displayed in the event log of the FRITZ!Box: "Log in with internet service provider failed. bad username or password" "Log in with internet service provider failed. [...] bad form"...

Manually adjusting the MTU size for DSL connectionsThe FRITZ!Box does not offer the possibility to adjust the MTU size manually. This is also not necessary because the FRITZ!Box supports MSS clamping (Maximum Segment Size) that automatically adjusts the size of the data packets to the smaller MTU of the interconnected networks. This means that there will be no performance degradation due to the...