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·¢ÐÅÕ¾: BBS ˮľÇ廪վ (Mon Jun 29 11:12:27 1998)
À´ Ô´: freebsd.csie.nctu.edu.tw
µµ Ãû: 0/System/network/nat(ʹÓà 70 ²º)
±ê Ìâ: ÈçºÎʹÓà NAT - How to use NAT
NAT (Network Address Translation) ¿ÉÒÔÈÃÄãÇøÓòÍøÂ·ÖеÄËùÓлúÆ÷
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a) FreeBSD-2.1£º
* Èç¹ûÄãµÄ FreeBSD server ÊǾÓÉ PPP Á¬ÉÏ internet µÄ£¬Äã¿ÉÒÔ
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FreeBSD 2.2/3.0 ¾ßÓÐ Packet Divert (Çë man divert) µÄ¹¦ÄÜ£¬
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natd 6668/divert
d) ÖØÐ¿ª»ú
e) Ö´ÐÐ natd
natd -interface ed0
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/sbin/ipfw add 60000 divert 6668 all from any to any via ed0
3. µ½´Ë´óÖÂÍê³ÉÁË£¬Äã¿ÉÒÔ°ÑÄãµÄ clients µÄ router IP Éèµ½Õą̂ FreeBSD
Server£¬²âÊÔ¿´¿´Äܲ»ÄÜÉÏÍøÂ·¡£
4. Èç¹û³É¹¦ÁË£¬¿ÉÒÔ°Ñ ipfw ÄÇÐмӵ½ /etc/rc.firewall ÖУ¬°Ñ natd
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--------------------------------
From: kokernel.bbs@aidebbs.edu.tw (KO)
Newsgroups: tw.bbs.comp.386bsd
Subject: Re: Çë½ÌÒ»ÏÂ..ÄÜ·ñƽ¾ù·ÖÅäÁ÷Á¿¸ø¸öÒ»¸öClient¶Ë...
Date: 28 Oct 1997 17:53:38 GMT
²¹³äһϣ»Õâ¶«Î÷¶Ômodem ×åÀ´ËµÊµÔÚÌ«ÓÐÓÃÁË:p
ftp://freebsd.csie.nctu.edu.tw/pub/jdli/collect/tcpip_bandwidth_limiter/
ipretard
ËüÊÇÅäºÏIPDIVERT, ipfw Ò»ÆðÓõÄ, ¿ÉÒÔÓÃÀ´ÏÞ֯ij¸öinterface
, for example tun0 or ppp0,
µÄij¸ö port
, for example 8080,
µÄbps/sec.
ÀýÈ磺ͬʱÓÃBBS ºÍWWWʱ£¬¿ÉÄÜËùÓÐÆµ¿í±»WWW³Ô¹âÁË£¬BBS¶¯²»ÁË,
ÕâʱÓÃËüÀ´ÏÞÖÆWWWµÄport 8080µ½1000bps/sec, ʣϵĿÉÒÔ±£Áô¸øBBSÓã¬
ipfw add 01100 divert 92 tcp from any to any 8080 via ppp0
./ipretard -t 1000/300 -w 2208
Ïû³ýÁËÆµ¿í±»³Ô¹âµÄÀ§ÈÅ :)
--
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