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Network management Proxmox KVM
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Network management Proxmox KVM

Hi,

I got Brute force report from my provider from my server.
Unfortunately, i am using NAT so i cant detect which IP was attacking.

I have 2 solutions :
1. Finding attacking IP
2. Block out going port 22, 25 ,465, 587...

And i am following 2nd way, but failed. I added command:
iptables -A OUTPUT -p tcp --dport 22 -j DROP
iptables -A OUTPUT -p tcp --dport 22 -j REJECT

My VPS can continue connecting to port 22 lol

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