- Why OpenBSD rocks 🐡

why-<br>Open<br>BSD<br>.rocks

A list of all the great things that OpenBSD has. Why this site exists, see About.

/etc/examples

64bit Time

acme-client(1)

afterboot(8)

AnonCVS and open source repos

Anti-ROP

arc4random(3)

ASLR

Audio recording

autoinstall(8)

base system concept

carp(4)

Chrooted webserver by default

Configuration syntax

cron(8)

cwm(1)

Defined integer overflows

doas(1)

dump(8): incremental filesystem backups

Eating your own dogfood

FFS2: Enhanced Fast Filesystem

file(1)

freezero(3)

Full Disk Encryption

Hackathons

httpd(8)

KARL

Kernel & Userland

LibreSSL

License

Malloc leak detection

mandoc(1)

manpages

Meltdown & Spectre

Memory allocation randomization

mg(1)

Multiple platforms

No *-dev packages

noexec

nsd(8)

ntpd(8)

OpenBGPD

openrsync

OpenSMTPD

OpenSSH

perl(1)

pf(4)

PID randomization

PIE

ping(8) randomness

pledge(2)

Privilege Separation

Random MAC addresses in ifconfig(8)

rcctl(8)

rdist(1)

recallocarray(3)

relayd(8)

Reliable release model

Retpoline

rpki-client(8)

Sane & secure defaults

securelevel(7)

sensorsd(8)

signify(1)

slowcgi(8)

spamd(8)

Stack

stack-register checking

strlcpy(3), strlcat(3)

Swap Encryption

Syscall From-Verification

sysmerge(8)

syspatch(8)

sysupgrade(8)

tmux(1)

unveil(2)

unwind(8)

UTF-8 only

vmd(8)

vxlan(4)

W^X Memory

WireGuard

xenodm: the secure X Display manager

Xserver without root permissions