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It's pretty easy to go online and understand what the "FTPPassive" key is (and why it's enabled by default). The firewall settings thing is a UI bug, if that. Those other toggles don't take effect when blocking all incoming connections is active. As such, it doesn't matter what the value for the other toggles is, so it resets them to the default (true). Perhaps a sharp point if you toggle firewall often, but not an outright security issue. My laptop has that systemuiserver preference setting there as well.

I think this person is a bit paranoid and reading a bit too much into things judging from their timeline.


The firewall toggles flipping on and off immediately following a device firmware reset at the Apple Store shouldn’t happen.

Location: San Francisco Bay Area

Remote: Yes

Willing to relocate: Yes

Technologies: C/C++, Obj-C/C++, iOS/macOS, Linux, Windows/NT (kernel/user), virtualization, TLS, TPM (TCG), Operating Systems, Security, Rust

Resume/CV: https://guzman.io/resume.pdf

Email: hnj@alex.guzman.io

Software developer with a decade of experience focused on systems programming across multiple domains including userspace daemons, kernel extensions/drivers, and coprocessor firmware. Very interested in operating systems and other low-level work. I've worked with Windows, Linux, and macOS/iOS across these domains. I'm primarily interested in full-time engineering roles, open to relocation as well as remote/hybrid work.


Location: San Francisco Bay Area

Remote: Yes

Willing to relocate: Yes

Technologies: C/C++, Obj-C/C++, iOS/macOS, Linux, Windows/NT (kernel/user), virtualization, TLS, TPM (TCG), Operating Systems, Security, Rust

Resume/CV: https://guzman.io/resume.pdf

Email: hnj@alex.guzman.io

Software developer with a decade of experience focused on systems programming across multiple domains including userspace daemons, kernel extensions/drivers, and coprocessor firmware.


The author's whole schtick is purposefully rage-baiting Rust devs, so really not that shocking that he downplays the compile-time trade-off


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