endlessh
ssh-audit
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| endlessh | ssh-audit | |
|---|---|---|
| 40 | 21 | |
| 6,868 | 3,117 | |
| - | - | |
| 0.0 | 8.5 | |
| 10 months ago | 8 days ago | |
| C | Python | |
| The Unlicense | MIT License |
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endlessh
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Why so many bots?
You can reduce the noise a lot by moving ssh to a non standard port. Security through obscurity isn't actually security, but it will reduce the number of attempts you receive. Another thing I like to do is put Endlessh on the standard port 22. That way as bots go by they will get stuck or at least slow down on that connection.
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Is SSH secure enough?
SSH tarpit with Endlessh and for the hidden SSH: auth with both a key files (that need unlocking and is on the computer) AND an One Time Password on my phone.
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"Failed password for root" SSH login hacking attemp?
If you change the ssh port, install https://github.com/skeeto/endlessh to slow down the attackers
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ChatGPT doxes itself
Even this requires you to successfully guess the username and password correctly, and if it's just not the default most people won't bother brute forcing further. Sidenote: you can use endlessh on a computer and port forward port 22 to trap scanners that scan the entire internet for open ssh ports to exploit.
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Ssh brute force attack with fail2ban.
The fun way is moving your ssh port somewhere else and installing endlessh to f the bots.
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Security for your Homeserver
Such as endlessh
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Keep it tight everyone! This is a day of sshd logs from a proxy server in China pinging my SSH server and trying every username imaginable. Does anyone have any tips to increase security?
But, as a prank to Chinese hackers, what I did on my system was to run endless ssh. It keeps the ssh client busy as it slowly sends the ssh banner. I modified the code to send strings like:
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VPN to remotely access dockerized services
For hardening: I use lynis for some guidance, the VPS runs rkhunter, AIDE and other things nightly and mails me the reports, fail2ban manages the SSH port, having SSH on a custom port helps to keep things quiet. If you're into these kind of things, have a look at the Endlessh tarpit to learn about login attempts on port 22 on your machine - I found it eye-opening.
- Any app out there to trap port scanners?
- Mein Server wird für Bruteforce Attacken genutzt, was kann ich tun?
ssh-audit
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Terrapin Attack for prefix injection in SSH
No. Mitigations are available now. Follow the recommendations from ssh-audit (master version). [0]
0. https://github.com/jtesta/ssh-audit
- SSH-audit: SSH server and client security auditing
- Quick/simple question checking for SSH vulnerabilities
- Why so many bots?
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How to secure my self-hosted website?
Match Address 10.0.0.0/8,172.16.0.0/12,192.168.0.0/16 PasswordAuthentication yes ```` You may audit your SSH service by https://github.com/jtesta/ssh-audit
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Why does my SSH private key still work after changing some bytes? (2016)
Off topic: audit tool for OpenSSH config files.
Posted here because SSH algorithms are a moving target.
https://github.com/jtesta/ssh-audit/tree/e50ac5c84d46e902e02...
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SFTP (SSH) Cipher Sanity Check
In addition to ssllabs, I'll recommend jtesta's ssh-audit.py
What are some alternatives?
opencanary - Modular and decentralised honeypot
Pritunl - Enterprise VPN server
sshesame - An easy to set up and use SSH honeypot, a fake SSH server that lets anyone in and logs their activity
testssl.sh - Testing TLS/SSL encryption anywhere on any port
cowrie - Cowrie SSH/Telnet Honeypot https://cowrie.readthedocs.io
yubikey-agent - yubikey-agent is a seamless ssh-agent for YubiKeys.
docker-swag - Nginx webserver and reverse proxy with php support and a built-in Certbot (Let's Encrypt) client. It also contains fail2ban for intrusion prevention.
ufw-docker - To fix the Docker and UFW security flaw without disabling iptables
minerstat-os - msOS - Open Source Mining OS. Repository moved, no longer using github
tinyssh - TinySSH is small server (less than 100000 words of code)
geoip-blocking-w-firewalld - Block unwanted countries IPv4 & IPv6 ranges with firewalld using ipdeny.com
mistborn