Again you jumping steps without consultation
Ill have to explore back of your name again! Naughty boy, naughty!!!!
Now, joke on a side...
1) Give specs of the node (VPS configuration, OS, environment u used)
2) Post a screenshot of witness running
3) Setup backup witness
4) Harden testnet (ssh port, root, fail2ban, firewall, rDNS, etc...)
Post more details, ill move the post.