OpenBSD（オープンビーエスディー）

概要\n\nOpenBSD(オープン ビーエスディー)はOpenBSD Project(1995年Theo de Raadt創設 + 累計1995-2025年30年継続Pro Security UNIX業界Top独占)が1995年10月18日公開のOpenBSDで、Pro Security UNIX Heritage Pro Top独占代表機 + 累計1995-2025年30年Active継続代表機。OpenBSD Heritage: (1)OpenBSD 1.0(1995-10-18、本レコード、初代Pro Security UNIX)、(2)OpenBSD 2.0(1996-10、Pro Mainstream進化)、(3)OpenSSH 1.0(1999-12、OpenBSD発祥SSH + 業界Pro Mainstream SSH業界Top独占)、(4)OpenBSD 3.0-7.x(2001-2025、Pro Mainstream進化)、(5)pledge System Call(2015-OpenBSD 5.9 Pro Sandboxing先発)、(6)unveil System Call(2018-OpenBSD 6.4 Pro File System Sandboxing)、(7)OpenBSD 7.6(2024-10、Pro最新)。OpenBSD主要機能: (1)Theo de Raadt主導(1968-、南アフリカ生まれ→ カナダ + Pro Founder Pro Father + Pro Famous Engineer Heritage Pro Reference Heritage Pro Top独占 + Pro Famous "Theoブラント"激怒スタイル + Pro UNIX業界Famous Pro Founder)、(2)NetBSD分岐(1995-Theo de Raadt NetBSD離脱後OpenBSD創設 + Pro Security分岐 + 業界Pro NetBSD系BSD分岐Heritage)、(3)Pro Security UNIX業界Top独占(累計1995-2025年30年Pro Security UNIX業界Top独占 + Pro Default Secure Configuration + Pro Security Heritage業界Top独占)、(4)Pro Code Audit(累計1995-2025年30年Pro継続Source Code Audit + Pro Security Heritage業界Top独占 + 業界Pro最強Pro Audit Heritage Pro Reference + Pro Famous "Only two remote holes in the default install in a heck of a long time" Slogan Pro Reference)、(5)Pro OpenSSH発祥(1999-12 OpenSSH 1.0 OpenBSD発祥 + Pro Free SSH代替 + 業界Pro Mainstream SSH業界Top独占 + 累計1999-2025年26年Pro OpenSSH業界Heritage継続 + Pro Linux Default + macOS Default + Windows 10/11 Default採用 + 業界Pro SSH Mainstream Heritage Pro Reference Heritage Pro Top独占)、(6)Pro Sandboxing pledge/unveil(2015-pledge System Call + 2018-unveil System Call + Pro Modern UNIX Sandboxing先発 + Pro File System + System Call Sandboxing)、(7)Multi-Architecture 16+ Architecture(Alpha/ARM/ARM64/x86/amd64/i386/SPARC/SPARC64/MIPS64/PowerPC/PowerPC64/RISC-V/octeon/landisk/loongson/hppa等 + Pro Multi-Architecture業界Heritage Pro Reference)、(8)Pro Security Tools派生(LibreSSL 2014-Heartbleed後OpenSSL Fork + Pro Security Library + Pro Mainstream採用 + httpd 2014-OpenBSD独自Web Server + iked Pro IPSec)、(9)Pro Default Secure Configuration(Pro Default Disabled Services + Pro Strict Permissions + Pro Default安全設定Heritage Pro Reference)、(10)Pro Anti-Government Spyware(Pro Encryption + Pro Privacy業界Top独占 + Pro Theo de Raadt Pro Famous Anti-Government Stance + Pro Famous Pro Reference)、(11)累計1995-2025年30年Active継続 + Pro Open Source Community + Pro 1年2回Release Cycle Pro Predictable + Pro Mainstream Heritage、(12)Pro Security UNIX Heritage Pro Top独占代表機 + 累計1995-2025年30年Active継続代表機。OpenBSD vs 競合UNIX/Security OS比較: BSD UNIX(1977-1995、UC Berkeley + Pro UNIX分岐学術)・FreeBSD(1993-11、386BSD分岐 + Pro Open Source UNIX Server Mainstream + ZFS+DTrace+Jails)・NetBSD(1993-04、Pro Multi-Architecture Pro Portability)・OpenBSD(1995-10、本レコード、Theo de Raadt + Pro Security UNIX + OpenSSH発祥)・Linux Kernel(1991-、Pro UNIX-like Open Source)・Qubes OS(2012-、Pro Security Linux + Pro Xen Hypervisor)・Tails(2009-、Pro Privacy Linux + Pro Tor)・Whonix(2012-、Pro Privacy Linux + Pro Tor + VirtualBox)、OpenBSD = Pro Security UNIX Top独占 + Pro Audit + OpenSSH発祥、FreeBSD = Pro Server UNIX + ZFS+DTrace+Jails、NetBSD = Pro Multi-Architecture、Linux = Pro UNIX-like Open Source、Qubes/Tails/Whonix = Pro Security Linux各種。OpenBSD歴史的影響: (1)Pro Security UNIX Heritage Pro Top独占代表機 + 累計1995-2025年30年Active継続、(2)Theo de Raadt Pro Founder Heritage + Pro Famous Engineer + Pro Famous "Theoブラント"激怒スタイル、(3)Pro OpenSSH発祥 1999 + 業界Pro Mainstream SSH業界Top独占 + Pro Linux/macOS/Windows Default採用、(4)Pro Code Audit + Pro Famous "Only two remote holes" Slogan + Pro Default Secure Configuration、(5)pledge/unveil Pro Modern UNIX Sandboxing先発、(6)Multi-Architecture 16+ Architecture + Pro Multi-Architecture業界Heritage、(7)LibreSSL/httpd/iked + Pro Security Tools派生Heritage、(8)Pro業界History派 + Pro UNIX派 + Pro Security派 + Pro OpenSSH派 + Pro Theo de Raadt派 真価発揮。Future: 1995-OpenBSD + 2025-OpenBSD 7.6 + 計画-OpenBSD 7.7 + Pro Security UNIX業界Top独占継続Heritage継続。\n\n## 主な特徴・仕組み\n\n- 公開: 1995-10-18 OpenBSD Project、OpenBSD 1.0\n- 創設: 1995 Theo de Raadt(NetBSD離脱)\n- NetBSD分岐: 1995 Pro Security分岐\n- Pro Security UNIX業界Top独占: 30年継続Pro Audit\n- Pro Code Audit: 累計30年継続Source Code Audit\n- Famous "Only two remote holes" Slogan: Default install 25+年\n- Pro OpenSSH発祥: 1999-12 OpenSSH 1.0\n- Pro Linux/macOS/Windows Default OpenSSH採用\n- Pro Sandboxing pledge/unveil: 2015/2018先発\n- Multi-Architecture 16+: Alpha/ARM/x86/SPARC等\n- LibreSSL (2014): Heartbleed後OpenSSL Fork\n- Pro Default Secure Configuration: Pro Strict設定\n- Pro 1年2回Release Cycle: Pro Predictable\n- 累計1995-2025年30年Active継続\n\n## スペック比較表\n\n| BSD/Security OS | 公開年 | 主導 | 主要機能 | Architecture |\n|-----------------|--------|------|----------|--------------|\n| BSD UNIX | 1977 | UC Berkeley CSRG | Pro UNIX分岐学術 | PDP-11/VAX |\n| FreeBSD | 1993-11 | Jordan Hubbard | ZFS+DTrace+Jails | x86/ARM |\n| NetBSD | 1993-04 | Pro Open Source | Pro Multi-Architecture | 50+ Architecture |\n| OpenBSD | 1995-10 | Theo de Raadt | Pro Security + OpenSSH | 16+ Architecture |\n| DragonFly BSD | 2003-07 | Matt Dillon | Pro Performance HAMMER FS | x86 |\n| Linux Kernel | 1991 | Linus Torvalds | UNIX-like Open Source | All |\n| Qubes OS | 2012 | Joanna Rutkowska | Pro Security Linux + Xen | x86_64 |\n| Tails | 2009 | Pro Open Source | Pro Privacy + Tor | x86_64 |\n| Whonix | 2012 | Pro Open Source | Pro Privacy + Tor + VBox | x86_64 |\n| Solaris | 1992 | Sun Microsystems | Pro Commercial UNIX | SPARC/x86 |\n\n## 具体例・対応製品\n\n- OpenBSD 7.6 (2024-10): Pro Mainstream最新\n- OpenSSH (1999): Pro Linux/macOS/Windows Default\n- LibreSSL (2014): Heartbleed後OpenSSL Fork\n- pledge/unveil System Calls: Pro Sandboxing\n- Theo de Raadt: Pro Founder + Pro Famous激怒スタイル\n- httpd + iked: OpenBSD独自\n\n## 自作PCでの選び方・注意点\n\nOpenBSD選択 + Pro Security UNIX Workflow例: (A)Pro Security UNIX¥0構成: OpenBSD 7.6 + Pro Code Audit + Pro Default Secure + Pro Pledge/Unveil + Pro Audit、(B)Pro Server UNIX¥0構成: FreeBSD 14 + Pro Server Mainstream + ZFS+Jails + Pro Open Source Server、(C)Pro Linux Mainstream¥0構成: Ubuntu 24.04 LTS + Pro Mainstream Linux UNIX-like。OpenBSD 選択ポイント: (1)Pro Security UNIX Heritage Pro Top独占 + 30年Pro Audit = 1995-OpenBSD Project + Theo de Raadt創設 + 累計1995-2025年30年継続Pro Security UNIX業界Top独占 + Pro Default Secure Configuration + 累計30年Pro継続Source Code Audit + Pro Famous "Only two remote holes in the default install" Slogan Pro Reference + 業界Pro最強Pro Audit Heritage Pro Reference Heritage Pro Top独占 + Pro Security派 + Pro Audit派 真価発揮、Pro Security派 + Pro Audit派 真価発揮、(2)Theo de Raadt Pro主任Architect + Pro Famous Pro Founder = Theo de Raadt 1968- 南アフリカ生まれ→ カナダ + Pro Founder Pro Father + Pro Famous Engineer Heritage Pro Reference Heritage Pro Top独占 + Pro Famous "Theoブラント"激怒スタイル + Pro UNIX業界Famous Pro Founder + 1995-NetBSD離脱後OpenBSD創設 + Pro Famous Anti-Government Stance + Pro Founder派 + Pro Theo de Raadt派 真価発揮、Pro Founder派 + Pro Theo派 真価発揮、(3)Pro OpenSSH発祥 1999 + Pro Mainstream SSH業界Top独占 = 1999-12 OpenSSH 1.0 OpenBSD発祥 + Pro Free SSH代替 + 業界Pro Mainstream SSH業界Top独占 + 累計1999-2025年26年Pro OpenSSH業界Heritage継続 + Pro Linux Default + macOS Default + Windows 10/11 Default採用(2018-Microsoft Windows 10 OpenSSH Default採用) + 業界Pro SSH Mainstream Heritage Pro Reference Heritage Pro Top独占 + Pro OpenSSH派 + Pro SSH Mainstream派 真価発揮、Pro OpenSSH派 + Pro Mainstream派 真価発揮、(4)Pro Sandboxing pledge/unveil + Pro Modern UNIX先発 = 2015-pledge System Call OpenBSD 5.9 + 2018-unveil System Call OpenBSD 6.4 + Pro Modern UNIX Sandboxing先発 + Pro File System + System Call Sandboxing + 業界Pro Sandboxing業界Heritage Pro Reference Heritage Pro Top独占 + Pro Sandboxing派 + Pro pledge派 真価発揮、Pro Sandboxing派 + Pro先発派 真価発揮、(5)Multi-Architecture 16+ + Pro Multi-Architecture業界Heritage = Alpha/ARM/ARM64/x86/amd64/i386/SPARC/SPARC64/MIPS64/PowerPC/PowerPC64/RISC-V/octeon/landisk/loongson/hppa等 + Pro Multi-Architecture業界Heritage Pro Reference + LibreSSL(2014-Heartbleed後OpenSSL Fork) + httpd(2014-OpenBSD独自Web Server) + iked Pro IPSec + Pro Security Tools派生Heritage + Pro Multi-Architecture派 + Pro LibreSSL派 真価発揮、Pro Multi-Architecture派 + Pro Security Tools派 真価発揮。\n\n## 関連用語との違い\n\nFreeBSD (1993-11): 386BSD分岐 + Jordan Hubbard + Pro Open Source UNIX + Pro Server Mainstream + ZFS+DTrace+Jails + Netflix/Sony PS4-PS5 Base + 累計1993-2025年32年Active。OpenBSD(1995-10 + Theo de Raadt + NetBSD分岐 + Pro Security UNIX + OpenSSH発祥 + 累計1995-2025年30年Active)競合 + 2年後継 + 386BSD vs NetBSD分岐 + Pro Server vs Pro Security + Jordan Hubbard vs Theo de Raadt + Netflix/PS4-PS5 vs Pro Audit/OpenSSH、FreeBSD = Pro Open Source UNIX + Pro Server Mainstream + Container Pioneer、OpenBSD = Pro Security UNIX Top + Pro OpenSSH発祥 + Pro Code Audit。\n\nLinux Kernel (1991-): Linus Torvalds + Helsinki大学 + UNIX-like + GNU + Pro Mainstream Open Source UNIX-like + 累計1991-2025年34年Heritage + 業界世界Top独占累計OS。OpenBSD(1995-10 + Theo de Raadt + NetBSD分岐 + Pro Security UNIX + OpenSSH発祥 + 30年Active)競合 + 4年後継 + Linus Torvalds vs Theo de Raadt + UNIX-like Mainstream vs Pro Security UNIX + Pro Server/Desktop Mainstream vs Pro Security/Audit + 累計34年 vs 30年Heritage、Linux Kernel = UNIX-like Pro Open Source Mainstream + 業界世界Top + GNU、OpenBSD = Pro Security UNIX + Pro Code Audit + Pro OpenSSH発祥。\n\n## よくある質問(FAQ)\n\nQ1: Pro Security UNIX Heritage Pro Top独占 + 30年Pro Audit 効果?\nA: 1995-10-18 OpenBSD Project + Theo de Raadt創設 + 累計1995-2025年30年継続Pro Security UNIX業界Top独占 + Pro Default Secure Configuration + 累計30年Pro継続Source Code Audit + Pro Famous "Only two remote holes in the default install in a heck of a long time" Slogan Pro Reference + 業界Pro最強Pro Audit Heritage Pro Reference Heritage Pro Top独占 + Pro Multi-Architecture 16+ + Pro 1年2回Release Cycle Pro Predictable + Pro Anti-Government Spyware + Pro Privacy業界Top独占。\n\nQ2: Pro OpenSSH発祥 + Pro Mainstream SSH業界Top独占 効果?\nA: 1999-12 OpenSSH 1.0 OpenBSD発祥 + Pro Free SSH代替 + 業界Pro Mainstream SSH業界Top独占 + 累計1999-2025年26年Pro OpenSSH業界Heritage継続 + Pro Linux Default(全Distribution) + macOS Default + Windows 10/11 Default採用(2018-Microsoft Windows 10 OpenSSH Default) + 累計世界SSH Pro Mainstream採用Heritage + 業界Pro SSH Mainstream Heritage Pro Reference Heritage Pro Top独占 + Pro OpenSSH派 + Pro Mainstream派 + Pro Top独占派 真価発揮。\n\nQ3: pledge/unveil + LibreSSL + Pro Security Tools派生 効果?\nA: 2015-pledge System Call OpenBSD 5.9(Pro Process Sandboxing System Call) + 2018-unveil System Call OpenBSD 6.4(Pro File System Sandboxing) + Pro Modern UNIX Sandboxing先発 + LibreSSL 2014-Heartbleed Bug後OpenSSL Fork(Pro Security Library + Pro Mainstream採用 + Pro 削減Pro攻撃面積) + httpd 2014-OpenBSD独自Web Server + iked Pro IPSec + Pro Security Tools派生Heritage Pro Reference Heritage Pro Top独占 + Pro Sandboxing派 + Pro LibreSSL派 真価発揮 + 業界Pro Security Tools業界Heritage Pro Top独占。\n\n## まとめ\n\n- 1995-10 OpenBSD、Pro Security UNIX Top\n- Theo de Raadt + NetBSD分岐 + Pro Audit\n- Pro OpenSSH発祥 1999 + 業界Mainstream SSH Top\n- pledge/unveil + LibreSSL + httpd派生\n- 30年Active + Multi-Architecture 16+