Re: opening firewall ports on multiple IP mail server

From: Miha Pihler (mihap-news_at_atlantis.si)
Date: 08/10/04

  • Next message: Jon: "Certificate Services" 
    Date: Tue, 10 Aug 2004 08:38:54 +0200

    Sorry, I missed it before. What firewall are we talking about? Opening ports
    is firewall specific operation.

    Do you use built-in firewall that comes with Windows 2003 server (ICF), or
    ISA or any other firewall?

    Mike

    "Miha Pihler" <mihap-news@atlantis.si> wrote in message
    news:ehEtLQqfEHA.2020@TK2MSFTNGP10.phx.gbl...
    > If we are still talking about mail server and not firewall (like ISA) then
    > again, instead of using SMTP service this time you need to edit and
    > configure your POP3 software solution. Assign it IPs and start the
    service.
    > It will open up the appropriate TCP ports (110). Again this can be done
    on
    > 1 IP.
    >
    > Mike
    >
    > <anonymous@discussions.microsoft.com> wrote in message
    > news:321801c47e74$28c0da10$a601280a@phx.gbl...
    > > OK, what about POP3? Similar deal, I still need to open
    > > the firewall ports for each of those addresses, too.
    > >
    > > Dana
    > >
    > >
    > > >-----Original Message-----
    > > >Hi Dana,
    > > >
    > > >Ports are opened automatically once some application
    > > listens on that port
    > > >(like SMTP in your case). Just "opening" it won't do any
    > > good -- service has
    > > >to listen on it to receive the data.
    > > >I am not sure why you would need more then one IP to
    > > listen for SMTP
    > > >traffic. Even with one IP you can receive SMTP traffic
    > > for all domains, you
    > > >just have to setup MX records so that for all domains
    > > they point to that one
    > > >IP.
    > > >
    > > >If you are using IIS SMTP you have to create additional
    > > SMTP Virtual Servers
    > > >for every domain that you host. To each SMTP Virtual
    > > Server you assign one
    > > >IP from your pool (144-148) and start the services. This
    > > will open up the
    > > >ports for you.
    > > >
    > > >I hope this helps,
    > > >
    > > >Mike
    > > >
    > > >"Dana Netz" <anonymous@discussions.microsoft.com> wrote
    > > in message
    > > >news:279401c47dc2$c0cd3d60$a601280a@phx.gbl...
    > > >> Howdy,
    > > >> We have a Server 2003 machine that has multiple IP
    > > >> addresses to service several mail domains. The primary
    > > >> address for the machine is .133 and it is hosting mail
    > > >> services on addresses .144 thru .148. How can I open
    > > >> ports for the other IPs? I open port 25, for example
    > > >> on .144 and the system won't let me open port 25
    > > >> on .145. Or should I try? If I only need to open one
    > > >> port then which address should it be?
    > > >>
    > > >> Thanks in advance. Dana
    > > >>
    > > >>
    > > >
    > > >
    > > >.
    > > >
    >
    >

  • Next message: Jon: "Certificate Services"

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