This is a multi-part message in MIME format. ------=_NextPart_000_0004_01C28FD0.D66DBA00 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Hi,=20 I have Redhat Linux 7.1 Kernel version 2.4.2-2.=20 with iptables v1.2.7 .=20 This nat module is loaded with ip_tables module=20 iptable_nat 16160 0 (autoclean) [ipt_MASQUERADE]=20 I'm trying to setup DNAT for port forwarding as per iptables documents . = I have ip forwarding enabled. I want port forward from external = interface to a internal server .=20 But the setup is not working , I have tried with all possible styles of = PREROUTING chain.=20 When I connect to external IP address with the particular port , I get a = "connection refused" error. But the software port forwarders work = perfectly. I feel that the problem lies in proxy ARP support of the = kernel.=20 Any suggestions ?=20 regards,=20 U.SivaKumar=20 ------=_NextPart_000_0004_01C28FD0.D66DBA00 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="iso-8859-1" <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=3Dtext/html;charset=3Diso-8859-1 = http-equiv=3DContent-Type> <META content=3D'"MSHTML 4.72.3612.1706"' name=3DGENERATOR> </HEAD> <BODY bgColor=3D#ffffff> <DIV><SPAN class=3DText>Hi, <BR><BR>I have Redhat Linux 7.1 Kernel = version=20 2.4.2-2. <BR>with iptables v1.2.7 . <BR><BR>This nat module is loaded = with=20 ip_tables module <BR>iptable_nat 16160 0 (autoclean) [ipt_MASQUERADE]=20 <BR><BR>I'm trying to setup DNAT for port forwarding as per iptables = documents .=20 I have ip forwarding enabled. I want port forward from external = interface to a=20 internal server . <BR><BR>But the setup is not working , I have tried = with all=20 possible styles of PREROUTING chain. <BR>When I connect to external IP = address=20 with the particular port , I get a "connection refused" error. = But the=20 software port forwarders work perfectly. I feel that the problem lies in = proxy=20 ARP support of the kernel. <BR><BR>Any suggestions ? <BR><BR>regards,=20 <BR>U.SivaKumar </SPAN></DIV></BODY></HTML> ------=_NextPart_000_0004_01C28FD0.D66DBA00--
