--- On Wed, 11/19/08, Antonio Olivares <olivares14031@xxxxxxxxx> wrote: > From: Antonio Olivares <olivares14031@xxxxxxxxx> > Subject: set up NAT (network address translation) on local server > To: fedora-list@xxxxxxxxxx > Date: Wednesday, November 19, 2008, 12:59 PM > Dear all, > > Starting new thread to clear up the other one: > Re: Make a DHCP server using Fedora - Help > > After going through the steps outlined and the guidance > provided by great individuals that participate in this list > :) > > /* Done now added eth1 to DHCPARGS */ > [olivares@localhost ~]$ cat /etc/sysconfig/dhcpd > DHCPDARGS=eth1 > > > I need a little bit of help in setting up NAT. I can use > the system-config-firewall or I can try using webmin or from > command line, I feel I can achieve the goal. > > How should I begin? > > I had done this before, but because of other problems > between the devices and my errors, it did not work :( > > # Forward all packets from eth1 (internal network) to eth0 > (the public internet) > iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT > # Forward packets that are part of existing and related > connections from eth0 to eth1 > iptables -A FORWARD -i eth0 -o eth1 -m state --state > ESTABLISHED,RELATED -j ACCEPT > # Enable SNAT functionality on eth0. a.b.c.d are generally > the ip of the eth0 > iptables -A POSTROUTING -t nat -s 192.168.1.0/24 -o eth0 -j > SNAT --to-source a > > Thank you for helping, > > Regards, > > Antonio > > > > > -- Sorry to reply to my own thread, but some might ask if I did the following and here's what I have done. Did this part : [olivares@localhost ~]$ su - Password: [root@localhost ~]# service dhcpd restart Starting dhcpd: [ OK ] [root@localhost ~]# tail -f /var/log/messages Nov 19 15:00:02 localhost dhcpd: Copyright 2004-2007 Internet Systems Consortium. Nov 19 15:00:02 localhost dhcpd: All rights reserved. Nov 19 15:00:02 localhost dhcpd: For info, please visit http://www.isc.org/sw/dhcp/ Nov 19 15:00:02 localhost dhcpd: Not searching LDAP since ldap-server, ldap-port and ldap-base-dn were not specified in the config file Nov 19 15:00:02 localhost dhcpd: Wrote 2 leases to leases file. Nov 19 15:00:02 localhost dhcpd: Listening on LPF/eth1/00:60:97:c5:2a:c3/192.168.0.0/24 Nov 19 15:00:02 localhost dhcpd: Sending on LPF/eth1/00:60:97:c5:2a:c3/192.168.0.0/24 Nov 19 15:00:02 localhost dhcpd: Sending on Socket/fallback/fallback-net Nov 19 15:00:06 localhost dhcpd: DHCPREQUEST for 192.168.0.3 from 00:11:2f:35:88:2e via eth1 Nov 19 15:00:06 localhost dhcpd: DHCPACK on 192.168.0.3 to 00:11:2f:35:88:2e via eth1 Nov 19 15:00:22 localhost dhcpd: DHCPDISCOVER from 00:d0:b7:c1:09:58 via eth1 Nov 19 15:00:23 localhost dhcpd: DHCPOFFER on 192.168.0.2 to 00:d0:b7:c1:09:58 (6355-hthhzebqqx) via eth1 Nov 19 15:00:23 localhost dhcpd: DHCPREQUEST for 192.168.0.2 (192.168.0.1) from 00:d0:b7:c1:09:58 (6355-hthhzebqqx) via eth1 Nov 19 15:00:23 localhost dhcpd: DHCPACK on 192.168.0.2 to 00:d0:b7:c1:09:58 (6355-hthhzebqqx) via eth1 Nov 19 15:00:33 localhost dhcpd: DHCPINFORM from 192.168.0.2 via eth1 Nov 19 15:00:33 localhost dhcpd: DHCPACK to 192.168.0.2 (00:d0:b7:c1:09:58) via eth1 Nov 19 15:00:37 localhost dhcpd: DHCPINFORM from 192.168.0.2 via eth1 Nov 19 15:00:37 localhost dhcpd: DHCPACK to 192.168.0.2 (00:d0:b7:c1:09:58) via eth1 >From one of the machines I get : [olivares@localhost ~]$ cat /media/STAPLES\ UFD/computer1.txt Windows 2000 IP Configuration Host Name . . . . . . . . . . . . : 6355-hthhzebqqx Primary DNS Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Intel(R) 82559 Fast Ethernet LAN onMotherboard Physical Address. . . . . . . . . : 00-D0-B7-C1-09-58 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 192.168.0.2 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.0.1 DHCP Server . . . . . . . . . . . : 192.168.0.1 DNS Servers . . . . . . . . . . . : 10.154.16.130 10.128.0.4 Lease Obtained. . . . . . . . . . : Wednesday, November 19, 2008 2:57:58 PM Lease Expires . . . . . . . . . . : Wednesday, November 19, 2008 8:57:58 PM [olivares@localhost ~]$ DNS appear to be correct, but I cannot browse. I am almost there. Just a little thing here or there and it will be done :) Regards, Antonio -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines