http://stormwdumgah7rpl6fdj4yhrl2i2a7j3bkzyjcv5qxk3a6253n22thyd.onion/blog/obfs4
On that screen, select the "Use SOCKS proxy" checkbox, and 127.0.0.1 should already be filled in for the IP, so in the port box you would type in the port from the previous step (38785 in my example, it'll be different for you). Next you'll uncheck the "No username/password needed" box, and in the username field you'll copy/paste: cert=JZHwkJuuOKmPuFiMyj5xjGRAqZ3jytorRmShi4L1OeQqVWDILTAfmf0s6CuBr7UCIFeCVA;iat-mode= Then in the password field just type a single zero.