Nowadays it is common that some people attack a specific Metin2 vulnerability, then they request a payment to "fix the problem". Here we share that fix for free on our discord server:
Discord invite
Discord channel

Also, extra firewall protection available for our customers to protect against this kind of attacks. You only have to ask it in a Message/ticket, giving us the ports used by your metin2 server.

Ovaj popravak i naša zaštita ne mogu zaštititi vaš server od svih vrsta napada, na internetu postoji mnogo popravaka izvornog koda Metin2 koji popravljaju različite probleme na Metin2 serveru, što može zaustaviti vaš server ili čak izbrisati ceo VPS putem ovog problema sa izvornim kodom Metin2.

Takođe biste trebali koristiti ipfw na svom VPS-u, za to imamo ipfw skriptu za zaštitni zid koja radi: https://dl.vps4you.hu/public/Metin2/ipfw.rules

Da biste zaštitili svoju web stranicu, trebali biste koristiti Cloudflare.