whalewall
Moby
whalewall | Moby | |
---|---|---|
6 | 213 | |
185 | 67,805 | |
- | 0.3% | |
7.8 | 10.0 | |
7 days ago | 7 days ago | |
Go | Go | |
BSD 3-clause "New" or "Revised" License | Apache License 2.0 |
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whalewall
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Docker developers discuss changes in how ports are to be forwarded into containers
It took me a long time to notice this issue, and I've found this as a possible solution. Working on deploying it, and will see how it goes.
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Self hosted security recommendations
Look into ufw (or iptables/nftables if you want to go deeper) to restrict outbound network access. Note though that Docker containers won't respect host firewall rules by default, so I created whalewall to easily manage container firewall rules: https://github.com/capnspacehook/whalewall
- Any experience with ufw-docker?
- Whalewall v0.2.0 released
- Whalewall – Easily mange firewall rules for Docker containers
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Whalewall - easily manage firewall rules for Docker containers
I recently found out that Docker containers ignore any host-based firewall rules by default and wanted a solution to restrict container traffic. This weekend I finally finished a project to do just that: https://github.com/capnspacehook/whalewall
Moby
- An open framework to assemble specialized container systems
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Release Radar • March 2024 Edition
Having been featured in our February 2023, and January 2024 Release Radars, Moby is the original Linux Container runtime. This new version adds a bunch of changes to the Docker CLI and Moby itself with additional features. There's bug fixes and enhancements, with the main thing for users to be on the look out for containers that were created using Docker Engine 25.0.0. These containers might have duplicate MAC addresses, and thus must be recreated. The same goes for those containers created with Moby 25.0+ and with user defined MAC addresses. Read up on all these changes in the release notes.
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Choosing a Name for Your Computer
Formlabs does this as well for their 3d printers, my earliest encounter of this was when Docker started getting popular: https://github.com/moby/moby/blob/master/pkg/namesgenerator/...
- Docker Inc. refuses to patch HIGH vulnerabilities in Docker
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Do not install Docker Desktop on GNU/Linux systems
Try to use moby instead since that is the engine in Docker.
https://github.com/moby/moby
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Exploring Podman: A More Secure Docker Alternative
> Podman is designed to help with this by providing stronger default security settings compared to Docker. Features like rootless containers, user namespaces, and seccomp profiles, while available in Docker, aren't enabled by default and often require extra setup.
Seccomp has been enabled by default since 2015: https://github.com/moby/moby/pull/18780
It is true that Rootless isn't enabled by default but its "extra setup" can be done with a single command (`dockerd-rootless-setuptool.sh install`)
- Moby: Block io_uring_* syscalls in default profile
- Io_uring will be blocked by default on Docker
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OpenZFS 2.2: Block Cloning, Linux Containers, BLAKE3
Perhaps.
Thing is, https://github.com/moby/moby/blob/670bc0a46c4ca03b75f1e72f73... is using https://github.com/mistifyio/go-zfs which features code like `out, err := zfsOutput("get", "-H", key, d.Name)` (Source: https://github.com/mistifyio/go-zfs/blob/master/zfs.go#L315) to get a single zfs property.
Somebody chose to use a library as abstraction that looks good but is implemented as a MVP (nothing wrong with that). "In the future, we hope to work directly with libzfs" should have raised an alarm somewhere, though.
What are some alternatives?
ufw-docker-automated - Manage docker containers firewall with UFW!
podman - Podman: A tool for managing OCI containers and pods.
trafficjam - A Docker firewall for your reverse proxy network
containerd - An open and reliable container runtime
pfDeploy - Deploy your pf configuration in a FreeBSD VM.
nerdctl - contaiNERD CTL - Docker-compatible CLI for containerd, with support for Compose, Rootless, eStargz, OCIcrypt, IPFS, ...
ufw-docker - To fix the Docker and UFW security flaw without disabling iptables
docker-openwrt - OpenWrt running in Docker
hub - Main repository for crowdsec scenarios/parsers
ofelia - A docker job scheduler (aka. crontab for docker)
k3d - Little helper to run CNCF's k3s in Docker
Packer - Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.