On Wed, 19 Dec 2007, in the Usenet newsgroup comp.os.linux.networking, in article <d3bb3634-ab64-40d5-ba98-d947d72d5761@a35g2000prf.googlegroups.com>, ron wrote: NOTE: Posting from groups.google.com (or some web-forums) dramatically reduces the chance of your post being seen. Find a real news server. > I have two NIC in my machine and i want to share internet >with my friends in my LAN,i am having internet connection through >broadband cable.how can i configure my LAN to have internet connection >sharing? Hmmm... zero details about distribution/release or even operating system. -rw-rw-r-- 1 gferg ldp 273754 Nov 28 21:47 HOWTO-INDEX -rw-rw-r-- 1 gferg ldp 40490 Jun 22 2000 Home-Network-mini-HOWTO -rw-rw-r-- 1 gferg ldp 708351 Nov 14 2005 IP-Masquerade-HOWTO -rw-rw-r-- 1 gferg ldp 17605 Jul 21 2004 Masquerading-Simple-HOWTO -rw-rw-r-- 1 gferg ldp 45604 Apr 18 2006 Networking-Overview-HOWTO -rw-rw-r-- 1 gferg ldp 278012 Jul 23 2002 Security-Quickstart-HOWTO -rw-rw-r-- 1 gferg ldp 71626 Apr 4 2004 Unix-and-Internet-Fundamentals-HOWTO There is also the "Linux Network Administrator's Guide" from the LDP, but it's probably more detailed than you need. If it's not included with your distribution, the search engine you are using will find it. What configuration files are needed to set up the NIC and appropriate firewall rules is dependent on the operating system you are using. If it's Linux, this depends on what distribution you are using, and what version. Old guy