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Dropbear Alternatives
Similar projects and alternatives to dropbear
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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Gravitational Teleport
The easiest, and most secure way to access and protect all of your infrastructure.
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heads
A minimal Linux that runs as a coreboot or LinuxBoot ROM payload to provide a secure, flexible boot environment for laptops, workstations and servers.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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Terrapin-Scanner
This repository contains a simple vulnerability scanner for the Terrapin attack present in the paper "Terrapin Attack: Breaking SSH Channel Integrity By Sequence Number Manipulation".
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hiba
HIBA is a system built on top of regular OpenSSH certificate-based authentication that allows to manage flexible authorization of principals on pools of target hosts without the need to push customized authorized_users files periodically.
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ws-repl
Discontinued MIGRATED TO https://vcs.rowanthorpe.com/rowan/ws-repl - THIS IS AN ARCHIVED VERSION... Arbitrary REPL in a web-page using websocketd
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SaaSHub
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dropbear reviews and mentions
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Tell HN: Ubiquiti APs likely vulnerable to Terrapin
Dropbear server v2020.81 https://matt.ucc.asn.au/dropbear/dropbear.html
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Terrapin attack on SSH: what do you need to know
# docker run -it --rm debian:latest # then run the following commands apt-get update apt-get install -y git wget build-essential zlib1g-dev git clone https://github.com/mkj/dropbear cd dropbear # here we disable ChaCha20Poly1305 and enable GCM instead # CBC is disabled by default env CFLAGS='-DDROPBEAR_CHACHA20POLY1305=0 -DDROPBEAR_ENABLE_GCM_MODE=1' ./configure make make install # check if dropbear is vulnerable dropbear -R wget https://github.com/RUB-NDS/Terrapin-Scanner/releases/download/v1.1.0/Terrapin_Scanner_Linux_amd64 chmod +x Terrapin_Scanner_Linux_amd64 ./Terrapin_Scanner_Linux_amd64 -connect 127.0.0.1:22 pkill dropbear
- OpenSSH versus SSH
- Dropbear SSH
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Discussion Thread
I would follow the suggestions in https://github.com/mkj/dropbear/blob/master/DEVELOPING.md for Deubg Printing, as this seems difficult to solve within information from dropbear.
- ReMarkable2 and modern ssh
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Adding Computer Tracking (GPS)
Heads is good reference for what could be done at BIOS level. It can connect via ethernet but only because the firmware is built in (The GBE section in IFD stands for Gigabit Ethernet). If you want an SSH server, this needs to be built separately because Dropbear is too big to include by default. Due to the size of firmware and range of different wifi cards that could be installed plus the software to connect, wifi is not possible in Heads. Similarly with Bluetooth. For cellar, the firmware, software and configuration would be needed to BIOS. There is also how no service/roaming would be indicated without any physical meter like LEDs (Ethernet has LEDs to show connection). It would also take time during the boot cycle to connect to a cellular service and would block booting the OS. That said, you could add a service at boot of your OS to do this and connect to something like a NextCloud Phone Tracker to do this.
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tinyssh
While it is good to have another alternative, I think Dropbear SSH[1] is also being used very widely.
[1] https://matt.ucc.asn.au/dropbear/dropbear.html
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Host a Dev Environment on Render with VS Code and Tailscale
I need an SSH server. I try OpenSSH, but run into an issue when I attempt to log in. OpenSSH servers use privilege separation as a security measure. The OpenSSH subprocess that handles authentication runs as an unprivileged user with its root directory set to some safe location. The CAP_SYS_CHROOT capability is required to change the root directory for a process, but Render services run in unprivileged containers without this capability. I discover that there are other SSH servers, like dropbear, that don't do privilege separation. This is great because it's not necessary for my use case anyway. My SSH server will run as a non-root user and will only be available within the VPN.
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SSD belonging to Euro-cloud Scaleway was stolen,then turned up on YouTube
That's what Dropbear is supposed to do, it can be included in the initramfs of a server: https://matt.ucc.asn.au/dropbear/dropbear.html
Disclaimer: I still didn't try it myself yet, but it's on my (too long) list of things to do.
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A note from our sponsor - SaaSHub
www.saashub.com | 28 Apr 2024
Stats
mkj/dropbear is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
The primary programming language of dropbear is C.
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