From owner-freebsd-newbies Wed Dec 13 13:24:15 2000 From owner-freebsd-newbies@FreeBSD.ORG Wed Dec 13 13:24:10 2000 Return-Path: Delivered-To: freebsd-newbies@freebsd.org Received: from bkmx.elinkisp.com (bkmx.elinkisp.com [63.65.72.20]) by hub.freebsd.org (Postfix) with ESMTP id BC3AA37B400 for ; Wed, 13 Dec 2000 13:24:09 -0800 (PST) Received: from sun006 ([66.7.0.53]) by bkmx.elinkisp.com (8.10.0/8.10.0) with SMTP id eBDLQAO01915 for ; Wed, 13 Dec 2000 16:26:10 -0500 Message-ID: <002201c0654c$7deeb650$0a64a8c0@domain.genextech.com> From: "sunnice" To: "newbies FreeBSD" Subject: Re: What this message mean? Date: Wed, 13 Dec 2000 16:34:35 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001F_01C06522.94675FB0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-newbies@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org This is a multi-part message in MIME format. ------=_NextPart_000_001F_01C06522.94675FB0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable Thanks for your help, I still can not understand how it work. You mean, I must setup a firewall, A nat server is not enough to hide my network, right? In fact, I rebuild the BSD kernel and add FIRWALL option, but I set up firewall late to permit all package through it. I have a thought that if I have a firewall to translate packges, I will = do not need NAT to share the internet, is it right? Sorry to bother you. ----- Original Message ----- From: "Adam LaBarge" To: "sunnice" Sent: Wednesday, December 13, 2000 12:06 PM Subject: Re: What this message mean? > If you have a firewall and just one IP and route connection the the = net to > the other machines, that would hide them from the ISP. Because the > outside world would only see the firewall. The outside world would > think that your firewalled machine is > making all the TCP/IP . ftp . whatever calls. You can also set you > firewall up so that people can not even see it. Manily it would not > return pings and whatnot. As far as that message, I am not sure. > -phinger > > > How many times have you committed suicide? > >Hi,=20 >I setup a NAT server and it works well. but I always get a message from = console: >arp: 192.168.100.13 is on xl1 but got reply from 00:50:04:08:0c:dc on = xl0. > >I have two 3c509 NIC in the box, and the address 192.168.100.13 is the = IP address of our lan. > >So, could any one tell me what this message mean, is there some thing = wrong? or I mean, how to avoid this message? > >By the way, because I hide my lan behind this nat server, is it = possible hide the information of my lan from my ISP, I do >not wnat they = know how many computers I have and what IP address I used in my = computers. > >Thanks. > >Sunnice ------=_NextPart_000_001F_01C06522.94675FB0 Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable
Thanks for your help, I still can not = understand=20 how it work.
You mean, I must setup a firewall, A nat server is not = enough to=20 hide my
network, right?
In fact, I rebuild the BSD kernel and add = FIRWALL=20 option, but I set up
firewall late to permit all package through = it.
I=20 have a thought that if I have a firewall to translate packges, I will = do
not=20 need NAT to share the internet, is it right?
Sorry to bother=20 you.

----- Original Message -----
From: "Adam LaBarge" <phinger@best.com>
To: = "sunnice" <sunnicezhao@yahoo.com>
Se= nt:=20 Wednesday, December 13, 2000 12:06 PM
Subject: Re: What this message=20 mean?


> If you have a firewall and just one IP and route=20 connection the the net to
> the other machines, that would hide = them from=20 the ISP.  Because the
> outside world would only see the=20 firewall.  The outside world would
> think that your = firewalled=20 machine is
> making all the TCP/IP . ftp . whatever calls.  = You can=20 also set you
> firewall up so that people can not even see = it. =20 Manily it would not
> return pings and whatnot.  As far as = that=20 message, I am not sure.
> -phinger
>
>
> How = many times=20 have you committed suicide?
>
>Hi,
>I setup a NAT server and it works = well. but I=20 always get a message from console:
>arp: 192.168.100.13 is on xl1 but = got reply=20 from 00:50:04:08:0c:dc on xl0.
>
>I have two 3c509 NIC in the box, = and the=20 address 192.168.100.13 is the IP address of our lan.
>
>So, could any one tell me what this = message=20 mean, is there some thing wrong?  or I mean, how to avoid this=20 message?
>
>By the way, because I hide my = lan behind=20 this nat server, is it possible hide the information of my lan from my = ISP, I do=20 >not wnat they know how many computers I have and what IP address I = used in=20 my computers.
>
>Thanks.
>
>Sunnice
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