hub gets thousands of failed connection attempts -- why?

[williamstein]

E.g., in the log:

2017-02-13T18:24:16.497Z - debug: primus_server: new connection from 108.197.32.22 -- O12YJjpAmrSOKr-PACgT
2017-02-13T18:24:20.252Z - debug: primus_server: new connection from 108.197.32.22 -- g9sPJEcDbkr_q9mdACgU
2017-02-13T18:24:20.748Z - debug: primus_server: new connection from 108.197.32.22 -- avz1145hS0QLRSCOACgV
2017-02-13T18:24:21.828Z - debug: primus_server: new connection from 108.197.32.22 -- vEu2vxDoUAfTdkeDACgW
2017-02-13T18:24:22.416Z - debug: primus_server: new connection from 108.197.32.22 -- vLkB0M2wRjLJxgb0ACgX
2017-02-13T18:24:22.620Z - debug: primus_server: new connection from 108.197.32.22 -- CnyEy4lITfmykWREACgY
2017-02-13T18:24:22.855Z - debug: primus_server: new connection from 108.197.32.22 -- HFpyP0BSUDARPv1TACgZ
2017-02-13T18:24:22.857Z - debug: primus_server: new connection from 108.197.32.22 -- -dOZHapFCLg0Q_R6ACga
2017-02-13T18:24:23.559Z - debug: primus_server: new connection from 108.197.32.22 -- --IkhLJluC1SwKXzACgb
2017-02-13T18:24:23.845Z - debug: primus_server: new connection from 108.197.32.22 -- seBpLYLs9SvcrltFACgc
2017-02-13T18:24:24.179Z - debug: primus_server: new connection from 108.197.32.22 -- 5m-jP96vXlDZtIoSACgd
2017-02-13T18:24:24.562Z - debug: primus_server: new connection from 108.197.32.22 -- 2OvS-fzj9MvWTLTNACge
2017-02-13T18:24:29.040Z - debug: primus_server: new connection from 108.197.32.22 -- R9L7gReSlFPhXqYWACgf
2017-02-13T18:24:30.391Z - debug: primus_server: new connection from 108.197.32.22 -- OOUHdTRpS7rdb5jwACgg
2017-02-13T18:24:31.723Z - debug: primus_server: new connection from 108.197.32.22 -- VRSBOJTV1CY061yUACgh
2017-02-13T18:24:32.212Z - debug: primus_server: new connection from 108.197.32.22 -- Jr3prwhSHGvlvWSKACgi
2017-02-13T18:24:32.549Z - debug: primus_server: new connection from 108.197.32.22 -- KGaPnf2kRzhDAGbiACgj
2017-02-13T18:24:33.241Z - debug: primus_server: new connection from 108.197.32.22 -- 54Xw_UN6rcffoNxVACgk
2017-02-13T18:24:35.036Z - debug: primus_server: new connection from 108.197.32.22 -- PkLs23pT4nlt-2hmACgl
2017-02-13T18:24:36.850Z - debug: primus_server: new connection from 108.197.32.22 -- k8O59JAcc4b85n5DACgm
2017-02-13T18:24:37.201Z - debug: primus_server: new connection from 108.197.32.22 -- bvHX8fWp1MAGcFFLACgn
2017-02-13T18:24:37.775Z - debug: primus_server: new connection from 108.197.32.22 -- lIKqnkvZWYdCCyMiACgo
2017-02-13T18:24:38.468Z - debug: primus_server: new connection from 108.197.32.22 -- BZAX4drYLANrW3D3ACgp
2017-02-13T18:24:39.801Z - debug: primus_server: new connection from 108.197.32.22 -- 6v0nx0wsIrf5thuBACgq
2017-02-13T18:24:41.581Z - debug: primus_server: new connection from 108.197.32.22 -- z4rAcLLimke6j-b9ACgr

This really can't be good.

Harald's guess: "I noticed that there is a terrible reconnect-logic bug if cookies are disabled. maybe that’s exactly this."

[williamstein]

This is probably long gone, but in any case we are switching from Primus to NATS: #8118