[isalist] Re: (no subject)
- From: "Greg Mulholland" <gmulholland@xxxxxxxxxxxx>
- To: isalist@xxxxxxxxxxxxx
- Date: Wed, 14 Mar 2007 14:44:23 +1000 (EST)
http://www.ISAserver.org
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William is right,
most cable isps I have seen here do the same, you need to wait for them
to flush their cache or simply power cycle the cable modem when ever your
external interface changes MAC addresses.
Greg
> Is it possible that they are doing MAC address filtering? Not allowing
> IPs to be issued to MAC addresses reserved for the Proliant series? One
> way to test that would be to put a generic NIC into the server and see
> if you get an address... I'm also assuming that you can get DHCP
> addresses from other devices, but not that modem?
>
>
>
> ________________________________
>
> From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of Glenn Johnston
> Sent: Tuesday, March 13, 2007 1:03 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] (no subject)
>
>
>
>
>
> I also would like to know how they do it.
>
>
>
> I have a cable internet service specifically designated as a 'HOME USE'
> broadband service, at home, I use the 'HOME USE' service cause it's nice
> and cheap.
>
>
>
> Sure, Port 25 is blocked inbound, and only allowed to the ISP' SMTP
> server outbound, 1723 inbound is blocked inbound, as is 80, 21, 110, and
> probably a few other that I haven't found yet, but for home, it works
> just fine.
>
>
>
> I can plug this cable BB service into a LinkSys, D-Link, and Netgear BB
> routers and they will get an address, the router do their NAT'ing
> perfectly, and multiple devices can access the internet through the
> single public IP just fine.
>
>
>
> I can also plug the Cable modem directly into a WinXP Desktop or
> Notebook and it will work Just fine.
>
>
>
> But when I try to plug it into my play server, a Compaq Proliant DL380,
> running SBS2003R2 Premium that I have at home, It just don't get issued
> with an IP address, from the cable modem. Plug it through the LinkSys
> router, and it can access the internet just fine, but plug the Server
> directly to the Cable Modem = No Public IP address issues by the ISP's
> DHCP server.
>
>
>
> This is repeatable, I can move the plug back and forth from the notebook
> to the server, and the notebook wil repeatedly get the same public IP,
> but the server times out, and ends up with a 169... private address.
>
>
>
> For me. it's not really an issue, the server does not publish services,
> and it only a play server anyway, but the ISP's obviously do something
> very tricky & sneaky !
>
>
>
> GJ
>
>
>
>
>
> ________________________________
>
> From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of Thor (Hammer of God)
> Sent: Tuesday, 13 March 2007 15:32
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] Re: ISA Server 2004/2006 & Verizon DSL Connection
>
> Since when does the DCHPDiscover message contain OS infoz? I'm not
> aware of any mechanism that allows a DHCP server to identify the client
> OS before assigning an address.. There are several methods to secure
> DHCP assignment, but how exactly could Verizon identify the OS type?
>
>
>
> t
>
>
>
> ----- Original Message -----
>
> From: John T (lists) <mailto:johnlist@xxxxxxxxxxxxxxxxxxx>
>
> To: isalist@xxxxxxxxxxxxx
>
> Sent: Monday, March 12, 2007 4:45 PM
>
> Subject: [isalist] Re: ISA Server 2004/2006 & Verizon DSL
> Connection
>
>
>
> Your Verizon DSL service, being residential, may be configured
> to only assign IPs to non-server OS. You might try reading your TOS with
> them and it may mention this.
>
>
>
> John T
>
>
>
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx
> [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Tee Darling
> Sent: Monday, March 12, 2007 8:24 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] Re: ISA Server 2004/2006 & Verizon DSL
> Connection
>
>
>
> It's residential. I don't know about MAC or NAT router (Linksys)
> since I did not ask them that question. My only concern is how do I make
> it work with ISA Server 2006 on a Windows 2003 server?
>
> On 3/12/07, John T (lists) <johnlist@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Is the Verizon DSL service residential or business?
>
>
>
> They said it only works with Windows Workstations, so does that
> mean that it will not work with a MAC or with a firewall such as
> Sonicwall or even a basic NAT router such as a Linksys?
>
>
>
> John T
>
>
>
>
>
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx
> [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Tee Darling
> Sent: Monday, March 12, 2007 7:32 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] ISA Server 2004/2006 & Verizon DSL Connection
>
>
>
> ISA Gurus,
> Where are you guys hiding? I need your help out here :).
> Okay, here is my problem. I have a Windows Server 2003, XP, and
> Vista network setup. I have a Verizon DSL that connects to my network.
> When I connect the Verizon DSL box (Westell Wirespeed) to any of my
> workstations, I get a public DHCP assigned IP address from Verizon.
> That's Great. Everything works fine. But when I connect the Verizon DSL
> to my Windows Server 2003, the Verizon box is not able to assign the
> Public IP address to the server. According to Verizon, their DSL box
> only works with Windows workstations and not Windows servers.
>
> My plan is to setup my network so that my Windows Server 2003
> which has 2 NICS in it will have ISA Server 2004 or 2006 install on it.
> Actually, I will install ISA Server 2006 since I have worked with the
> 2004 edition for over a year and a half now. One of the NIC will be
> connected to the Internal LAN and the other NIC will be connected to the
> Verizon Box. But since I cannot connect the Verizon box directly to the
> 2nd NIC because of the limitation that box has with Windows version of
> the server, what are some of the connections work around? I even tried
> to connect the 2nd NIC and the Verizon box to an unmanaged switch but
> that was no good.
>
> Anyone out there with a very good idea to help me make this
> connection work? I really need the ISA Server in my environment. Thanks
> all for any idea you may have.
>
> Tee
>
>
>
>
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