Hello
I can helpyou to secure vps server from ddos attacks/viruses.
I am a senior system administrator with 10+ years of experience. I am a network security expert.
I've been working at a hosting company where I have managed and configured more than 300 various Linux/Windows servers.
I have experience with such technologies as Virtuozzo, different types of virtualization (OpenVZ, KVM, XEN), different distributives of OS Linux / OS Unix / OS MS Windows Server systems, VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.