From owner-freebsd-questions Tue Jan 4 5:37:15 2000 Delivered-To: freebsd-questions@freebsd.org Received: from giasbm01.vsnl.net.in (giasbm01.vsnl.net.in [202.54.1.18]) by hub.freebsd.org (Postfix) with ESMTP id 0D6B714E49 for ; Tue, 4 Jan 2000 05:37:09 -0800 (PST) (envelope-from arao@chiplogic.com) Received: from hyd.chiplogic.com ([203.197.21.7]) by giasbm01.vsnl.net.in (8.9.2/8.9.2) with ESMTP id TAA22741 for ; Tue, 4 Jan 2000 19:06:58 +0530 (IST) Received: from arao ([192.168.2.69]) by hyd.chiplogic.com (8.8.7/8.8.7) with SMTP id SAA01936 for ; Tue, 4 Jan 2000 18:56:58 +0530 From: "Aravind Rao" To: Subject: Which are NAT modules Date: Tue, 4 Jan 2000 19:04:48 +0530 Message-ID: <01bf56b8$78969950$4502a8c0@arao> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01BF56E6.924ED550" 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_0006_01BF56E6.924ED550 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, =20 Can somebody tell me why function ptr ip_nat_ptr is used in = ip_input() of=20 /usr/src/sys/netinet/ip_input.c file. as natd uses divert sockets and = the firewall has to explicitly divert all packets to the port on which natd is = running ,what=20 significance ip_nat_ptr holds. =20 Please clarify my doubts, Thanks , Aravind. ------=_NextPart_000_0006_01BF56E6.924ED550 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi,
  
    = Can somebody=20 tell me why  function ptr  ip_nat_ptr  is used  = in =20 ip_input() of
/usr/src/sys/netinet/ip_input.c=20 file. as natd uses  divert sockets and the  firewall
has to explicitly = divert all=20 packets to the port on which natd is running = ,what 
significance = ip_nat_ptr=20 holds.
   
   Please = clarify my=20 doubts,
 
Thanks = ,
Aravind.
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