KVM host: refusing connection on ports 22 & 9090
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Do you have fail2Ban set up on your KVM host?
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@black3dynamite said in KVM host: refusing connection on ports 22 & 9090:
Do you have fail2Ban set up on your KVM host?
No
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Looking through the logs, nothing looks out of place.
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@FATeknollogee said in KVM host: refusing connection on ports 22 & 9090:
@black3dynamite said in KVM host: refusing connection on ports 22 & 9090:
Do you have fail2Ban set up on your KVM host?
No
You definitely want that.
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@scottalanmiller said in KVM host: refusing connection on ports 22 & 9090:
@FATeknollogee said in KVM host: refusing connection on ports 22 & 9090:
@black3dynamite said in KVM host: refusing connection on ports 22 & 9090:
Do you have fail2Ban set up on your KVM host?
No
You definitely want that.
For what? If ssh is only strong cert auth that leaves 9090 for Cockpit. Is there a good 9090 config for failtoban?
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The box is behind a firewall & port 22 is only open to a specific IP.
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@Obsolesce said in KVM host: refusing connection on ports 22 & 9090:
For what?
Security. Otherwise you leave yourself open to brute force attacks. Or even just brute force attempts. Still uses your bandwidth.
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@Obsolesce said in KVM host: refusing connection on ports 22 & 9090:
that leaves 9090 for Cockpit.
This is true, but automated attacks against Cockpit are way, way more rare. It's a fraction of the attack surface out of the gate.
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Still looking for a fix!!
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Does anyone use Door Knocking anymore?
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Is it just these ports? is anything else dropping at the same time that your are unaware of on this host? have you tried accessing the host using putty on another machine?
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@StuartJordan These are the ports I always need (haven't checked others).
I was able to use the new Relay feature on MeshCentral 2 to connect via LAN. -
no connection issues when using the relay then?
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@FATeknollogee said in KVM host: refusing connection on ports 22 & 9090:
Still looking for a fix!!
Can you ping out from it? Is the gateway missing or wrong? Subnet missing or wrong?
