Kippo
fwknop
| Kippo | fwknop | |
|---|---|---|
| 4 | 10 | |
| 1,579 | 1,028 | |
| - | - | |
| 2.7 | 7.3 | |
| 6 months ago | about 1 month ago | |
| Python | Perl | |
| - | GNU General Public License v3.0 only |
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Kippo
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Session recording for Tailscale SSH in beta
In the old days I played with something like this: https://github.com/desaster/kippo
But a more modern alternative seems to be the container based approach outlined here. https://lwn.net/Articles/848291/
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Any app out there to trap port scanners?
You could set up a honeypot such as https://github.com/desaster/kippo but that is not really going to "trap" or "bully" anyone. You're better off just properly securing your network and not trying to poke the hornet's nest
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Honeypot
You could run your ssh server on a different port and run kippo on port 22.
- desaster/kippo - Kippo - SSH Honeypot
fwknop
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Fail2ban Sucks
sounds fun; i see the arch aur has a few options as well. have you tried https://www.cipherdyne.org/fwknop/ ?
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Has anyone ever had their homelab or network hacked? What happened?
Yes that's the basic idea, i tried to use fwknop first but it didn't do what i wanted it to do so i made my own
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How to securely enable SSH access to my home network?
Port knocking. Or better yet FWKNOP. I'm disappointed I don't hear people talk about it more. The port isn't even open until you give the secret combination of knocks on a large number of ports. There's much more to it. I recommend listening to Episode 865 ofSecurity Now.
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Show HN: Knockles – eBPF Port Knocking Tool
> Is this approach used elsewhere?
Yes, or at least in a similar fashion. An alternative variant of port knocking is SPA (Single Packet Authorization). Often SPA protocols use UDP and contain within the body field an encrypted payload containing all the required data to authenticate and authorize a particular request.
There are multiple different implementations of SPA: OpenSPA [1] (full disclosure: I am the author of OpenSPA), fwknop [2] just to name a few.
SDP (Software Defined Perimeter) often builds upon SPA technologies in order to achieve a form of zero trust access.
[1] - https://github.com/greenstatic/openspa
[2] - https://github.com/mrash/fwknop
I am currently re-writting the OpenSPA protocol (version 2) and I plan on playing around with eBPF as well, so thanks eeriedusk for paving the way :)
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Blocking SSH Bot Net Attack
As an alternative to port knocking, there is: https://github.com/mrash/fwknop
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Start VPN server based on external trigger
fwknop is nice and simple
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UFW setup for decent security
Sure, few links for when you dig in: http://iplists.firehol.org/, https://crowdsec.net/, https://www.zeroflux.org/projects/knock/, https://www.cipherdyne.org/fwknop/
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Who's Attacking My Server?
An upgrade to port knocking is Single Packet Authorization [1]. It doesn’t suffer from the observability, and other, problems of port knocking.
[1] https://www.cipherdyne.org/fwknop/
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How Self Hosting (and password reuse) led to the compromise of Linked In, Dropbox, & more.
Or keep the port closed like I do with my ssh port and use fwknop to open the port only when needed.
What are some alternatives?
OSSEC - OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
pfSense - Main repository for pfSense
Fail2Ban - Daemon to ban hosts that cause multiple authentication errors
Glastopf - Web Application Honeypot
OSQuery - SQL powered operating system instrumentation, monitoring, and analytics.
autoVPN - Create On Demand Disposable OpenVPN Endpoints on AWS.
Wazuh - Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
crowdsec - CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.
Snort - Snort++