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Article #14326Re: DNAT �� SNAT ����
From: madog
Date: Tue, 11 Sep 2001 03:25
Date: Tue, 11 Sep 2001 03:25
41 lines
2993 bytes
2993 bytes
������� "--sport 23" �� ����������IPTABLES�Ļ������Ӧ����ROUTER2ֻ��A������23�������Լ�23������תȥ B ����A��ROUTER2 ������TELNET����һ���� A������1024������һ���˿�--->router2:23 �?128.1.1.1&128.1.1.2��ͬ�εģ��м���ô���и�ROUTER1����ʲô���õģ� ��Ҳ��̫����˵���˱���� -- http://madogcc.myip.org news://madogcc.myip.org "jkwoocn" <jkwoocn@yahoo.com> wrote in message news:9njuf6$q9b$1@mail.cn99.com... > ����,���繹������ > > ______ _______ _______ ______ > | | ( ) ( ) | | > |����A|-----------(Router 1)----------(Router2)----------|����B | > |_____| (_______) eth0(___)eth1 |_____ | > 128.1.1.1 128.1.1.2 128.2.2.2 128.2.2.3 > > ����,����B�ܹ�ͨ������·�ɷ�������A,������Aֻ��ͨ��һ��·�ɷ��ʵ�Router2, �� > ����Ϊ��ȫ���趨�� > > ��Ϊ����������A��ijһ�˿��ܷ�������B, ��Router2����DNAT,��: > > iptables -A PREROUTING -t nat -i eth0 -s 128.1.1.1 -d 128.1.1.2 \ > -p tcp --sport 23 --dport 23 -j DNAT --to 128.2.2.3 > > ����,����A��Ȼ����������B��ͨ��,��������Ϊʲô?�Ƿ��ʱ����B��������Aʱ, �� > ��ֱ����ԭ�е�·��,��Ӧ��Router2�������һ��SNAT����MASQUERADE? > > > >
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<9nk07i$l63$1@madogcc.myip.org>Path:
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X-Google-Language: Chinese,GB X-Google-Thread: 10b277,4fc98b59a1330052 X-Google-Attributes: gid10b277,public X-Google-ArrivalTime: 2001-09-10 20:40:14 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!newsfeed.google.com!sn-xit-02!supernews.com!news.tele.dk!small.news.tele.dk!195.158.233.21!news1.ebone.net!news.ebone.net!lnewspeer00.lnd.ops.eu.uu.net!emea.uu.net!newsfeed01.sul.t-online.de!t-online.de!news.cn99.com!madogcc.myip.org!not-for-mail From: "madog" <no@no.no> Newsgroups: cn.comp.os.linux Subject: Re: DNAT �� SNAT ���� Date: Tue, 11 Sep 2001 11:25:37 +0800 Organization: madogcc.myip.org Lines: 43 Message-ID: <9nk07i$l63$1@madogcc.myip.org> References: <9njuf6$q9b$1@mail.cn99.com> NNTP-Posting-Host: 61.141.206.203 X-Trace: mail.cn99.com 1000179603 28652 61.141.206.203 (11 Sep 2001 03:40:03 GMT) X-Complaints-To: usenet@news.cn99.com NNTP-Posting-Date: Tue, 11 Sep 2001 03:40:03 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000