I discovered the logging for each node that has a SSH connection is set to a high level of debugging.

[snip]

------------------- Node 1 (Mystic v1.12 A39 2018/04/21)
2018.06.14 21:27:30 Connect from 2001:0470:000D:0123:7DCD:AB5E:4CFD:1F4E (PH2018)
2018.06.14 21:27:30 Connection by SSH
2018.06.14 21:27:36 SSH handshake successful
2018.06.14 21:27:36 Set time left 10 TE=1297
2018.06.14 21:27:36 WriteBuf 8 of 8
2018.06.14 21:27:36 WriteBuf 118 of 118
2018.06.14 21:27:36 ReadBuf 0
2018.06.14 21:27:36 ReadBuf 7
2018.06.14 21:27:36 Avon logged in
2018.06.14 21:27:36 First login today, set timeleft to 999
2018.06.14 21:27:36 Set time left 999 TE=2286
2018.06.14 21:27:36 Setting time left to 999
2018.06.14 21:27:36 WriteBuf 93 of 93
2018.06.14 21:27:41 ReadBuf 3
2018.06.14 21:27:41 WriteBuf 43 of 43
2018.06.14 21:27:42 ReadBuf 1
2018.06.14 21:27:42 WriteBuf 1520 of 1520
2018.06.14 21:27:43 WriteBuf 6 of 6
2018.06.14 21:27:43 WriteBuf 79 of 79
2018.06.14 21:27:44 WriteBuf 2 of 2
2018.06.14 21:27:44 WriteBuf 81 of 81
2018.06.14 21:27:45 WriteBuf 2929 of 2929
2018.06.14 21:27:45 WriteBuf 207 of 207
2018.06.14 21:27:45 ReadBuf 1
2018.06.14 21:27:45 WriteBuf 2929 of 2929
2018.06.14 21:27:45 WriteBuf 207 of 207
2018.06.14 21:27:50 ReadBuf 1
2018.06.14 21:27:50 WriteBuf 3177 of 3177
2018.06.14 21:27:50 WriteBuf 283 of 283
2018.06.14 21:27:52 ReadBuf 1
2018.06.14 21:27:52 WriteBuf 3 of 3
2018.06.14 21:27:52 WriteBuf 973 of 973
2018.06.14 21:27:52 WriteBuf 674 of 674
2018.06.14 21:27:52 WriteBuf 1439 of 1439
2018.06.14 21:27:52 WriteBuf 299 of 299
2018.06.14 21:27:54 ReadBuf 1
2018.06.14 21:27:54 WriteBuf 3174 of 3174
2018.06.14 21:27:54 WriteBuf 283 of 283
2018.06.14 21:27:58 ReadBuf 1
2018.06.14 21:27:58 WriteBuf 3124 of 3124
2018.06.14 21:27:58 WriteBuf 284 of 284

[snip]

You get the idea.

I found this out when I went looking at the BBS logs and discovered a 46 gigabyte file for just one node alone!

So if you're running SSH on Mystic you may want to check your logs.

Best, Paul

--- Mystic BBS v1.12 A39 2018/04/21 (Windows/32)
* Origin: Agency BBS | Dunedin, New Zealand | agency.bbs.nz (21:1/101)