Para ingresar journalctl después de iniciar sesión en mi vps.
journalctl _COMM=sshd -f
Feb 16 06:34:40 localhost sshd[324]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 38876
Feb 16 06:34:40 localhost sshd[325]: Did not receive identification string from 23.252.100.22
Feb 16 07:34:40 localhost sshd[326]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 40602
Feb 16 07:34:40 localhost sshd[327]: Did not receive identification string from 23.252.100.22
Feb 16 08:34:40 localhost sshd[328]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 38298
Feb 16 08:34:40 localhost sshd[329]: Did not receive identification string from 23.252.100.22
Feb 16 09:34:41 localhost sshd[348]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 42132
Feb 16 09:34:41 localhost sshd[349]: Did not receive identification string from 23.252.100.22
Feb 16 10:34:39 localhost sshd[350]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 60988
Feb 16 10:34:39 localhost sshd[351]: Did not receive identification string from 23.252.100.22
Feb 16 11:34:40 localhost sshd[352]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 33850
Feb 16 11:34:40 localhost sshd[353]: Did not receive identification string from 23.252.100.22
Feb 16 12:34:39 localhost sshd[354]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 44998
Feb 16 12:34:39 localhost sshd[355]: Did not receive identification string from 23.252.100.22
Feb 16 13:34:38 localhost sshd[356]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 52632
Feb 16 13:34:38 localhost sshd[357]: Did not receive identification string from 23.252.100.22
Feb 16 14:34:41 localhost sshd[358]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 43864
Feb 16 14:34:41 localhost sshd[359]: Did not receive identification string from 23.252.100.22
Feb 16 15:34:40 localhost sshd[360]: Bad protocol version identification 'GET / HTTP/1.0' from 23.252.100.22 port 53402
Feb 16 15:34:40 localhost sshd[361]: Did not receive identification string from 23.252.100.22
¿Significa el registro que 23.252.100.22 (no mi ip y no mi vps ip) intentan descifrar mi clave de vps?
¿Dónde está el archivo que contiene dicha información de registro?