https://turkeyblocks.org/2016/12/18/tor-blocked-in-turkey-vpn-ban/ Turkey Blocks finds that the Tor direct access mode is now restricted for most internet users throughout the country; Tor usage via bridges including obfs3 and obfs4 remains viable, although we see indications that obfs3 is being downgraded by some service providers with scope for similar on restrictions obfs4. The restrictions are being implemented in tandem with apparent degradation of commercial VPN service traffic.