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I have a ocserv server for VPN on a debian11 server. One of my clients did a network scanning and service provider blocked my IP for terms of service violation.

This is 2nd time that this happened and I don't know who did this. I want to ban the network scanner by myself but first I need to prevent further violations. Is there anyway I can stop my clients from doing a network scan?

I tried to implement fail2ban but sounds like fail2ban is not a good tool for this issue.

Are there any other tools to prevent and block network scanning from clients of VPN?

Dave M
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AminMZ
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1 Answers1

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You can use following rules to prevent or block network scans.

Tanzil Hussain
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