A user device receives a captured image of an encoded identifier, analyzes the encoded identifier via the captured image, and extracts, based on the analysis, network access configuration data from the encoded identifier. The user device provides the network access configuration data to a network access control (NAC) device, and receives, based on the network access configuration data, access to the NAC device. The user device permits the NAC device to inspect the user device via the access to the NAC device, and receives, based on the inspection of the user device, access to a network.