# [OmniOS-discuss] Ang: Firewall in OmniOS?

Johan Kragsterman johan.kragsterman at capvert.se
Wed Oct 19 07:33:31 UTC 2016

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    Hi, Bob!

    -----"OmniOS-discuss" <omnios-discuss-bounces at lists.omniti.com> skrev: -----
    Till: omnios-discuss at lists.omniti.com
    Från: Bob Friesenhahn
    Sänt av: "OmniOS-discuss"
    Datum: 2016-10-19 02:47
    Ärende: [OmniOS-discuss] Firewall in OmniOS?

    While I do have a dedicated low-power box I can use, it came to mind
    that I could use OmniOS on a more powerful Internet-facing server and
    use it as the firewall for my network (screening and session-oriented
    NAT).  Assuming that the Internet-facing interface is sufficiently
    battened down, this should provide optimum performance for other
    software running on the same system while providing good security.

    I know that ipfilter is available in OmniOS but have heard that it is
    a bit dated when it comes to NAT.

    Has anyone tried (or is it feasible) to install OpenBSD or FreeBSD
    (perhaps pfSense or OPNsense) in a KVM instance (running in a zone) to
    provide an effective firewall for LANs?

    Yeah, I do that since several yrs with PfSense. I use it a lot, it is of great help, since it is so easy to handle and has a lot of great features.

    I think I have 5 virtual interfaces on it, both strictly internal and the ones going out of the box.

    You can say that whatever I handle in my infrastructure, PfSense is involved. I like fixed dhcp addressing, so most interfaces provides that.

    Rgrds Johan

    Bob
    --
    Bob Friesenhahn
    bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
    GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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