@j1979 Aparently What is TCP scan with RST? TCP Connect Scan If the port is open, the target will send back a TCP SYN-ACK packet, indicating a willingness to establish a connection. The scanner then...

Clive_A wrote To anyone who's looking at this, To fix this issue, set the Block TCP scan with RST disabled. Aparently it's a good solution.

In the meantime I upgraded to V2.2.2, but the problem is still. I also shut down one of the physical servers.

@Clive_A To make it easier to understand, my configuration is as follows: I have 2 internet providers, and behind the router I have 5 vlans : 1. Administration vlan, 2. IoT Vlan, 3. Home vlan, 4....

@MR.S I can't do that, behind the router I have a few servers that need to be accessed from anywhere. Some websites, web pages, etc.

@Clive_A I looked in my network, and there are no problems, I tend to think that the attack is still from outside, but it doesn't show me that IP so I can block it. I have 2 internet providers, I...