From owner-freebsd-questions Fri Apr 10 11:43:47 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA05076 for freebsd-questions-outgoing; Fri, 10 Apr 1998 11:43:47 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mail.ior.com (qmailr@on-ramp.ior.com [199.79.239.12]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id LAA05053 for ; Fri, 10 Apr 1998 11:43:31 -0700 (PDT) (envelope-from enaillon@nvinet.com) Received: (qmail 7890 invoked from network); 10 Apr 1998 18:43:25 -0000 Received: from cs1-24.nvinet.com (HELO server.ior.com) (206.107.158.243) by on-ramp.ior.com with SMTP; 10 Apr 1998 18:43:25 -0000 Reply-To: "Edward naillon" From: "Edward naillon" To: Subject: Packet Filter for High School Date: Fri, 10 Apr 1998 11:37:23 -0700 Message-ID: <01bd64af$b41a0360$0100a8c0@server.ior.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0004_01BD6475.07BB2B60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.71.1712.3 X-MimeOLE: Produced By Microsoft MimeOLE V4.71.1712.3 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This is a multi-part message in MIME format. ------=_NextPart_000_0004_01BD6475.07BB2B60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello, We have installed a linux proxy/cache server that filters out = innapropriate internet sites from our students. The problem is that we = have no packet level enforcement. Students can go around this server and = straight to the internet. Our State ISP is being stubborn about = modifying our wellfleet router to allow only packets from our proxy = server (and several select workstations) to pass. Can I do this with a = freebsd system? All it needs to do is deny any ip addresses from passing = that are not in an allowed list. Thanks in advance for any ideas. Ed Naillon ------=_NextPart_000_0004_01BD6475.07BB2B60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hello,

We have installed a linux = proxy/cache=20 server that filters out innapropriate internet sites from our students. = The=20 problem is that we have no packet level enforcement. Students can go = around this=20 server and straight to the internet. Our State ISP is being stubborn = about=20 modifying our wellfleet router to allow only packets from our proxy = server (and=20 several select workstations) to pass. Can I do this with a freebsd = system? All=20 it needs to do is deny any ip addresses from passing that are not in an = allowed=20 list.

Thanks in advance for any = ideas.

Ed = Naillon

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