dropbear | sshtron | |
---|---|---|
14 | 10 | |
1,556 | 2,067 | |
- | - | |
8.8 | 1.6 | |
11 days ago | 10 months ago | |
C | Go | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
dropbear
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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.
sshtron
- $ ssh sshtron.zachlatta.com
- OpenSSH versus SSH
- SSH Tron
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Is there any way to host an executable/application REMOTELY that anyone with a terminal can run/interact with without any installation? Currently, I'm limited to CURLable web scripts, but those are tedious and don't have interactable menus or animations or anything.
He says it's a custom ssh server here: https://github.com/zachlatta/sshtron
- How does SSHTron work?
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How did people create ASCII games from scratch?
I had tons of fun with sshtron at school, because basically no network blocks SSH traffic
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Printing to ssh connection with :gen_tcp or connecting to telnet server from remote
Can anyone give guidance on either getting my friends' telnet clients to connect or doing I/O with an SSH connection? I'd like to eventually make something like http://sshtron.zachlatta.com/.
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Show HN: Apply for a job through SSH, $ ssh jobs.hackclub.com
Hack Club founder here. I'm so glad you found this!
I built SSHTron a few years ago at a hackathon. It served as the inspiration for jobs.hackclub.com.
The code for both is open source, at https://github.com/zachlatta/sshtron and https://github.com/hackclub/jobs respectively.
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Come play Tron with me?
It's a custom SSH server implementation in Go. Code is open source at https://github.com/zachlatta/sshtron.
What are some alternatives?
tinyssh - TinySSH is small server (less than 100000 words of code)
ssh-chat - Chat over SSH.
Code-Server - VS Code in the browser
openssh-fuzz-cases
wireguard-vyatta-ubnt - WireGuard for Ubiquiti Devices
ssh - Easy SSH servers in Golang
tailscale - Tailscale Subnet Router on Render
ws-repl - MIGRATED TO https://vcs.rowanthorpe.com/rowan/ws-repl - THIS IS AN ARCHIVED VERSION... Arbitrary REPL in a web-page using websocketd
render-dev-env - A remote development environment that can be hosted on Render.
RayGo-Engine - An unfinished game project made with Raylib and Go.
deploy-code-server - Deploy code-server to the cloud with a few clicks ☁️ 👨🏼💻