Network-based content filtering utilizing user-specified parameters is disclosed. Example methods disclosed herein to perform network-based content filtering include receiving, at an incoming edge router of a provider network, incoming data to be routed in the provider network to a destination device, and before routing the incoming data in the provider network, determining whether to restrict the routing of the incoming data in the provider network to the destination device based on a parameter associated with the destination device, the parameter being related to a content classification of the incoming data.