i get to much booooo, last hour just booo, wtf guys

[2017-12-09 17:26:19] accepted: 0/95 (diff 6.039), 3874.86 H/s booooo
[2017-12-09 17:26:19] reject reason: Unauthenticated

[2017-12-09 17:23:03] accepted: 0/12 (diff 5.410), 3927.97 H/s booooo
[2017-12-09 17:23:03] reject reason: Low difficulty share