dashd hangs with "failed after select(): Connection refused (111)"

[flound1129]

2015-08-12 04:45:41 ProcessMessageMasternodePOS::mnse - nHeight 317910 MasternodeA 178.33.98.125:9999 MasternodeB 216.189.153.59:9999
2015-08-12 04:45:41 keypool reserve 2
2015-08-12 04:45:41 keypool return 2
2015-08-12 04:45:41 keypool reserve 2
2015-08-12 04:45:41 keypool return 2
2015-08-12 04:45:41 keypool reserve 2
2015-08-12 04:45:41 keypool return 2
2015-08-12 04:45:41 keypool reserve 2
2015-08-12 04:45:41 keypool return 2
2015-08-12 04:45:41 keypool reserve 2
2015-08-12 04:45:41 keypool return 2
2015-08-12 04:45:41 keypool reserve 2
2015-08-12 04:45:41 keypool return 2
2015-08-12 06:15:43 socket inactivity timeout
2015-08-12 06:15:43 connect() to 80.82.64.100:9999 failed after select(): Connection refused (111)
2015-08-12 06:15:48 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:18:33 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:21:18 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:24:02 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:26:47 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:29:32 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:32:16 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:35:01 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:37:46 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:40:30 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:43:15 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:46:00 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:48:44 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:51:29 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:54:14 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:56:58 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 06:59:43 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 07:02:28 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 07:05:12 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 07:07:57 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 07:10:42 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 07:13:26 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)
2015-08-12 07:16:11 connect() to 69.46.69.90:9999 failed after select(): Connection refused (111)

These errors repeat in the logs for several hours. No other activity.

[flound1129]

I've been seeing this issue on other coins as well, I think it may be some kind of DoS.

[schinzelh]

Obsolete

[znbQazYT]

I see the same problems with dashd from ppa:dash.org/dash

2018-10-04 11:10:15 ProcessMessage(reject, 42 bytes) FAILED peer=22
2018-10-04 11:10:21 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:11:12 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:11:18 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:12:29 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:13:08 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:13:35 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:14:35 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:14:41 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:15:08 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:15:25 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:16:04 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:16:21 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:16:27 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:16:43 Misbehaving: 108.61.210.54:9999 (0 -> 1)
2018-10-04 11:16:43 ProcessMessage(reject, 42 bytes) FAILED peer=23
2018-10-04 11:16:50 connect() to 162.209.99.35:9999 failed after select(): Connection refused (111)
2018-10-04 11:17:06 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:17:12 Misbehaving: 108.61.210.54:9999 (0 -> 1)
2018-10-04 11:17:12 ProcessMessage(reject, 42 bytes) FAILED peer=24
2018-10-04 11:18:45 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:19:35 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:19:40 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:20:19 connect() to 162.209.99.35:9999 failed after select(): Connection refused (111)
2018-10-04 11:20:59 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:21:22 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:21:50 connect() to 162.209.99.35:9999 failed after select(): Connection refused (111)
2018-10-04 11:21:56 connect() to 162.209.99.35:9999 failed after select(): Connection refused (111)
2018-10-04 11:22:01 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:22:18 connect() to 162.209.99.35:9999 failed after select(): Connection refused (111)
2018-10-04 11:22:46 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:24:09 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:25:38 connect() to 46.105.118.15:9999 failed after select(): Connection refused (111)
2018-10-04 11:25:44 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)
2018-10-04 11:26:01 connect() to 108.61.209.37:9999 failed after select(): Connection refused (111)
2018-10-04 11:26:07 connect() to 37.59.21.58:9999 failed after select(): Connection refused (111)