ports VS freebsd-src

I think OpenBSD comes the closest to what you want with its two easy to use syscalls that provide syscall filtering and restricting access to paths:

https://man.openbsd.org/pledge.2

https://man.openbsd.org/unveil.2

A few random examples:

https://github.com/tmux/tmux/blob/c8494dff7b6b9a996866edaf8c...

https://github.com/openbsd/ports/blob/master/www/mozilla-fir...

https://github.com/openbsd/ports/blob/master/www/mozilla-fir...

To get the best isolation you need to patch the source — the application needs to go through initial setup and then drop privileges to the absolute possible minimum. But it's easy to make custom wrappers for third-party applications — the above profiles taken from the OpenBSD ports tree are the proof.

Have you checked the no-ip port: https://github.com/openbsd/ports/blob/master/net/no-ip/pkg/noip2.rc

> https://github.com/openbsd/ports/commit/bf33ea5f3ff390d8cde3...

Now, this is surprising. I randomly clicked on that link and I immediately see that the code and the patch has a bug. It only checks the first 8 characters:

    -      if (gr != NULL && strncmp(gr->gr_name, "operator", 8) == 0)

Some people are working around this by using obsdfreqd, some by patching sys/kern/sched_bsd.c (change if (hw_power) to if (0 && hw_power)), some by simply setting to a lower speed (sysctl hw.perfpolicy=manual and hw.setperf=99 might be enough as this disables turbo mode found on some CPUs).

You could also look into a port that has a hard dependency on openssl like: https://github.com/openbsd/ports/tree/master/security/sslscan

For me it's the ease of management and good documentation.

For example, during 6.8 to 6.9 upgrade, there was a major postgresql upgrade.

It is mentioned in the doc https://www.openbsd.org/faq/upgrade69.html (see Special packages at the bottom).

You're redirected to the package README with special instructions on how to setup and upgrade: https://github.com/openbsd/ports/blob/master/databases/postg...

Et voilà, everything is explained.

On debian, if I am not careful, I'll do an upgrade and risk breaking something during a db migration (I'm looking at you MySQL upgrades...).

Godot engine gamecontroller support. This is limited and incomplete, but it's a start. A huge number of indie games made with Godot are released every week; most of which work at least partially with an XBox {360,One} controller. You can follow This Week in Godot if you're interested.

> OpenBSD has handled this case for some years. I do not know if there was any breakage or fallout from this.

The other thing about OpenBSD is that when they make a change to their OS, they also go through to make sure all the (third-party) ports/packages:

* https://cvsweb.openbsd.org/ports/

* https://github.com/openbsd/ports

do not break. So they're create patches for the software and and submit them upstream.

2023-06-26: https://github.com/freebsd/freebsd-src/commit/ee0aa1ce12b3caea34477a31e9d2111a329e33b9 to main (tagged release/14.0.0).

It's not yet in FreeBSD base so if you want to test it you'll have to use the patch from the PR: https://github.com/freebsd/freebsd-src/pull/881

Lots of great work by many people. But I bet this guy and his optimizations to the vfs and locking has made a significant impact.

https://github.com/freebsd/freebsd-src/commits?author=mjguzi...

and then there were deep concerns about the stability of same, so vfs.zfs.bclone_enabled = 0 was left in-place

https://github.com/freebsd/freebsd-src/commit/068913e4ba3dd9...

Well there are some examples:

https://github.com/freebsd/freebsd-src/tree/main/share/examp...

But yeah that pf.conf could be expanded allot, but there are many source to cobble a conf together. My conf is massive but 99.9% commented out so i have my "template" for nearly everything, from mail to web to blacklistd etc.

The BSD version is sort of very recent, for what it's worth -- FreeBSD imported a not fully functional version in 2017 and has seen more work on it in 2022: https://github.com/freebsd/freebsd-src/commits/main/usr.bin/... , but the default version shipped is still GNU diff3: https://man.freebsd.org/cgi/man.cgi?query=diff3&apropos=0&se... .