My VPS blocking meny lfd attemps

[ayesham]

hello guys im currently hosted my site using VPS, but in recently sending so meny failed ssh logging attempts notifications continuously from my control panel.
Error Message

ex :-
Time: Mon Nov 30 16:38:09 2020 +0100
IP: 148.55.45.000 (ID/Indonesia/mta1.rizkypratama.xyz)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked: Permanent Block [LF_SSHD]

Log entries:

Nov 30 16:28:57 vps sshd[22468]: Invalid user zkl from 103.215.72.230 port 42216
Nov 30 16:28:58 vps sshd[22468]: Failed password for invalid user zkl from 1xxx.xxx.xxx port 42216 ssh2
Nov 30 16:34:38 vps sshd[23134]: Invalid user fle from 103.xxx.xxx.xxx0 port 50788
Nov 30 16:34:40 vps sshd[23134]: Failed password for invalid user fle from xxx.xxx.xxx port 50788 ssh2
Nov 30 16:38:07 vps sshd[23345]: Invalid user qts from 103.xxx.xxx.xxx port 40896

i dont understand what does this mean?? is this something related to hacking attempts??

[ayesham]

It seems no one like to help me

[GumSlone]

yes its hacking attempts, but this is normal as long you have a secure password, I have at my server the same behavior

[ayesham]

Ok do you recommend to change the pw??

[GumSlone]

i recommend using a strong password

[ayesham]

ok.. thanks boss. Could you please help me on getid3 issue also??