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Dgl.cx. Port knocking is mostly a bad idea. But people keep wanting to do it, for some false sense of security. If you don't consider it a security control but a way to keep garbage out of your logs, it might be valid. Here's one way to do it with OpenBSD's pf. More..
News
SSH port knocking with OpenBSD 7.9
Port knocking is mostly a bad idea. But people keep wanting to do it, for some false sense of security. If you don't consider it a security control but a way to keep garbage out of your logs, it might be valid. Here's one way to do it with OpenBSD's pf.
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Bash a newline: Exploiting SSH via ProxyCommand, again (CVE-2025-61984)
A look at how a newline character in SSH usernames could confuse ProxyCommand in OpenSSH, leading to command injection and potential RCE.
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Switchable dark mode with 5 lines of JavaScript
Progress on progressive enhancement with new CSS features.
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CVE-2025-48384: Breaking git with a carriage return and cloning RCE
tl;dr: On Unix-like platforms, if you use git clone --recursive on an untrusted repo, it could achieve remote code execution. Update to a fixed version of git and other software that embeds Git (including GitHub Desktop).
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