資料介紹

[已通過安全檢測]
金山毒霸2006，病毒庫版本 2006.04.25
[已通過安裝測試]
Windows XP+SP2 簡體中文專業版本+VMWare5.0

軟件版權歸原作者及原軟件公司所有，如果你喜歡，請購買正版軟件
共享服務時間：本人每天24小時在線，電信ADSL1M，如果是意外停電或其它不可抗拒原因，可能停機較長。
共享服務器：DonkeyServer No1 或者 DonkeyServer No2






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1.1-什麼是OpenBSD?

OpenBSD 工程創建的一個免費、多平台、基於4.4BSD的類Unix操作系統。我們的目標在於強調正確性、安全性、標准化以及可移植性。OpenBSD支持包括SVR4(Solaris),FreeBSD,Linux,BSDI,SunOS和HPUX等大部分二進制的模擬。

OpenBSD， NetBSD, FreeBSD是同門三兄弟！OpenBSD以安全著稱， 支持的平台很多！現在主要有三個分支：stable, release, current

1.2-OpenBSD能運行於什麼平台上？

OpenBSD 3.4可運行於以下平台：
● alpha - 僅FTP
● amd64 - 可直接從CD啟動 3.5新增
● cats - 僅FTP 3.5新增
● hp300 - 僅FTP
● hppa - 僅FTP
● i386 - 可直接從CD啟動
● mac68k - 僅FTP
● macppc - 可直接從CD啟動
● sparc - 可直接從CD啟動
● sparc64 - 可直接從CD啟動
● mvme88k - 僅FTP 3.5新增
● alpha - 僅FTP
● vax

只有一些平台支持從CD啟動。查看本FAQ第三章來了解如何獲得關於獲得OpenBSD CD的更多信息。

OpenBSD以前的版本同樣可運行於：
● amiga - 3.2 release後開始移除
● sun3 - 2.9 release後開始移除
● arc - 2.3 release後開始移除
● pmax - 2.7 release後開始移除
OpenBSD目前還不支持多處理器。查看Chapter 8,SMP來獲得更多信息。

1.3-OpenBSD真的免費嗎？
　　OpenBSD是完全免費的。二進制文件(binaries)是免費的。源代碼是免費的。OpenBSD的任何部分都允許在合理的版權限制下自由分發。這包括可以重新使用大部分OpenBSD源代碼樹，無論是私用還是商用。除了原始的BSD許可外，OpenBSD沒有任何其他的限制。一些按照嚴格許可而寫的軟件不能包含進OpenBSD的正規發行版中。這樣有利於保護OpenBSD的安全免費使用。例如，OpenBSD可以自由免費的用於個人使用、學術研究、政府機構、非贏利性組織或者商業組織。

　　想進一步的了解其他更流行的許可證，請看:http://www.openbsd.org/policy.html.
　 OpenBSD的維護者主要通過自身來支持OpenBSD Project.這包括為此工程寫程序所花費的時間，用於維護眾多ports的設備、以及回答問題和研究用戶錯誤報告所花的時間。OpenBSD的開發者們並非都十分富有，並且甚至是貢獻一點點時間、設備、或者資源都會使事情大不一樣。

1.4-我為什麼想要使用OpenBSD?

　新用戶通常會想知道OpenBSD是否會優於其他的類Unix操作系統。這個問題在很大程度上是無法回答的並且是一個永無休止爭論著的話題。無論如何，請不要在郵件列表中問這個問題！

　下面是我們認為OpenBSD是一個很有用的操作系統的一些理由。OpenBSD是否適合你，只有你自己能回答！

●OpenBSD能運行在許多不同的硬件平台上。
●通過對OpenBSD全部源代碼的安全審查，大部分的安全專家認為OpenBSD是最安全的類UNIX操作系統。
●OpenBSD是一個充滿特色的類Unix操作系統,其原代碼完全免費。
●OpenBSD有最前沿的安全技術，適合於做防火牆和分布式環境下的私有網絡服務。
●OpenBSD受益於來自不同地方的強大的持續開發，為因特網社區上的程序員和終用戶提供了用最新的技術進行開發的機會。
●OpenBSD為普通用戶參與開發和產品測試提供機會。




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What's New
This is a partial list of new features and systems included in OpenBSD 3.8. For a comprehensive list, see the changelog leading to 3.8.


Improved hardware support, including:
New aps driver for the built-in accelerometer found in some IBM ThinkPad laptops.
New art driver for Accom Networks Artery T1 and E1 cards.
New auixp driver for the ATI IXP series integrated AC'97 audio controller.
New ciss driver for Compaq Smart ARRAY 5 and 6 RAID controllers.
New epic driver for SMC 83C170 ethernet adapters.
New ichwdt driver for Intel 6300ESB ICH watchdog timer.
New pcn driver for the AMD Am79c97x (PCnet) ethernet adapters.
New safte driver for SCSI Accessed Fault-Tolerant Enclosures, and a rewritten ses driver for SCSI Enclosure Services, both allowing monitoring through sysctl and sensorsd.
New ueagle driver for Analog Devices Eagle ADSL modems.
New uipaq driver for iPAQ USB serial.
New viasio driver for VIA VT1211 LPC Super I/O hardware sensors.
New zaudio driver for the built-in Zaurus audio CODEC.
Improved com driver for serial port PCMCIA cards, such as cellular modems on Zaurus.
Improved support for many umass devices.
Updated driver from X.Org for the Intel i810 family graphics chipset, including support for the external VGA output on laptops.

New tools:
bioctl(8), a RAID management interface.
ipsecctl(8), a simple IPsec management tool.
stat(1), displaying file status obtained from stat(2) or lstat(2).
hostapd(8), a wireless Host Access Point daemon.
ifstated(8), a daemon monitoring ethernet interfaces status.
watchdogd(8), companion to the hardware watchdog devices.
ztsscale(8), a tool to calibrate the Zaurus touch screen.
xidle(1), a tool to run a program on X inactivity.
gzsig(1), create and verify cryptographic signatures built into gzip file headers.
sasyncd(8), a daemon to synchronize IPSec SA's for failover gateways.

New functionality:
mount_udf(8), providing UDF (DVD) filesystem support.
Network interface aggregation, using the virtual trunk(4) interface.
Partial wide character and locale support in the C and C++ libraries.
wd(4) disks have the security feature frozen before being attached to prevent malicious users setting a password that would prevent the contents of the drive from being accessed.
On the OpenBSD/sparc64 platform, StackGhost buffer overflow exploit protection has been added.
zaudio(4) changes the mute values if the headphones are plugged in or out.

New functionality for ospfd(8), the Open Shortest Path First Daemon:
ospfd is now able to redistribute static, connected and default routes.
ospfctl is now able to display all relevant information.
Interoperability with cisco and Extreme has been improved.
Support for parsing and displaying parsed configuration file, similar to bgpd.
Support for cryptographic authentication has been added.
Interface finite state machine has been reworked, primarily to improve interoperability.
The performance of the shortest path first calculation has been improved.
Numerous bugs have been discovered and fixed during the last 6 months.

New functionality for bgpd(8), the Border Gateway Protocol Daemon:
bgpd is now able to redistribute static and connected routes dynamically.
Full route label support; pf(4) can filter based on information bgpd attaches to the routes.
An additional per prefix weight has been added used to evaluate prefixes with equal AS path length.
New route decision tunable rde med compare always to force bgpd to compare the MED independent of the peer AS.
IPv6 support.

Assorted improvements and code cleanup:
malloc(3) has been rewritten to use the mmap(2) system call, introducing unpredictable allocation addresses and guard pages, which helps in detecting heap based buffer overflows and prevents various types of attacks.
libc(3) source code has been converted to ANSI C.
realpath(3) is now thread safe.
Several pathname races and potential buffer handling problems have been fixed in pax(1).
Problems with signal delivery on OpenBSD/sparc and OpenBSD/sparc64 have been fixed.
Reliability of signal handlers using floating point on OpenBSD/i386 and OpenBSD/macppc has been improved.
NFS write performance has been improved greatly.
Countermeasures against various blind ICMP attacks have been implemented.

OpenSSH 4.2:
Adds a new compression method that delays the start of zlib compression until the user has been authenticated successfully. The new method ("Compression delayed") is on by default in the server and eliminates the risk of any zlib vulnerability leading to a compromise of the server from unauthenticated users.
Added support for the improved arcfour cipher modes from draft-harris-ssh-arcfour-fixes-02. The improves the cipher's resistance to a number of attacks by discarding early keystream output.
Many improvements to connection multiplexing, including a new opportunistic multiplexing mode, automatic fallback to plain connections when multiplexing fails and support for multiplexed X11 and agent forwarding.
Many additional bug fixes and improvements, as described in the release announcement.

Over 3200 ports, 3000 pre-built packages, improved package tools.

As usual, many improvements in manual pages and other documentation.

The system includes the following major components from outside suppliers:
X.Org 6.8.2 (+ patches, and i386 contains XFree86 3.3.6 servers (+ patches) for legacy chipsets not supported by X.Org)
Gcc 2.95.3 (+ patches) and 3.3.5 (+ patches)
Perl 5.8.6 (+ patches)
Apache 1.3.29, mod_ssl 2.8.16, DSO support (+ patches)
OpenSSL 0.9.7g (+ patches)
Groff 1.15
Sendmail 8.13.4, with libmilter
Bind 9.3.1 (+ patches)
Lynx 2.8.5rel.2 with HTTPS and IPv6 support (+ patches)
Sudo 1.6.8p9
Ncurses 5.2
Latest KAME IPv6
Heimdal 0.6.3 (+ patches)
Arla 0.35.7
Binutils 2.15 (+ patches)
Gdb 6.3


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