[CentOS] CentOS as a router
Johnny Hughes
johnny at centos.org
Fri Aug 7 16:39:51 UTC 2009
Paul Heinlein wrote:
> On Fri, 7 Aug 2009, James B. Byrne wrote:
>
>> I am setting up a small CentOS-5.3 host to act as a router. I have
>> the device configured and working. What I am trying to accomplish
>> now is configuring the firewall so as to protect both the router and
>> the LAN. [....]
>
> In the past, I'd have tried to craft the iptables rules by hand. Now,
> older and lazier, I rely on shorewall.
>
> Shorewall generally produces pretty good rules. You can "compile" your
> logic to iptables rules without implementing them, so you could use
> shorewall to generate a set of rules that essentially do what you
> want, look them over, and then revise/implement the ones you like.
>
If one really does want to configure by hand, I have found this to be
very useful:
http://tldp.org/HOWTO/IP-Masquerade-HOWTO/index.html
Personally, I now use IPCOP to do this ... shorewall is another good
firewall distro.
Thanks,
Johnny Hughes
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 252 bytes
Desc: OpenPGP digital signature
URL: <http://lists.centos.org/pipermail/centos/attachments/20090807/59f5ff11/attachment.sig>
More information about the CentOS
mailing list