RE: Can't access SBS from the Internet

Hi Robert,

I’m answering to your questions:
1. ISA installed when I installed the SBS automatically.
2. For the moment I’m doing all tests using only one WinXPProSP2 client PC
connected to the SBS domain (I’d like to make all working right before I’ll
connect all users to the domain). This XP client can access internet and the
http://companyweb/default.aspx page. Through this page the client can connect
to outlook using the link “Remote E-Mail Access”, can connect to the server
using “Remote Server Management”. I’ve set up exchange to “pop” (maybe I’ll
use the smtp way creating a new MX record etc, but later..) mail from two
ISP-hosted mailboxes (working fine), the client can send and receive mail
using Outlook2003 through the exchange mail account (automatically created
during the client setup). I think that into the LAN things are working ok,
the problem is that I can’t access the SBS from the internet.
3. Yes, I registered for a free no-ip account (dynamic dns service) because
I don’t have external(internet) static IP, but for the moment I’m doing all
tests using the ISPs-DHCP server assigned IP, to be sure I have no problem
with the dyndns service.
4. As regards to the “broadband IP”, I’m referring to the ip that my ISP’s
DHCP server assigns to my modem/router (sorry if “broadband ip” refers to
something else, I’m not a net-pro… :-( …). I assume that this is the
internet public ip as you wrote.

- Yes, my network topology is exactly like this
“{Internet}---{Router}---{SBS Server}---{Switch}---{Client Workstation}“. I
also have all other PCs connected to our switches (three 16-port
OfficeConnect with uplinks from the one to the other), they are into the same
XP-workgroup sharing printers and HDDs. The SBS and the
Domain_Connected-XP-Client-PC can access the Domain shares AND the
XP-Workgroup shares. This is a temporarily situation, the workgroup will be
removed as sooner I get the SBS to work right. I don't think that all this
(the workgroup pcs) has something to do with my main problem (I can't access
SBS through the Internet). Is that right?

- I checked the configuration of two nics, things are exactly like you ‘re
describing (ip’s, gateways, dns and all).

- I rerun the CEICW wizard, firewall enabled (allowing the mail, ftp...etc
ports), all checked ok. As I said the XP-PC domain client accesses internet,
mail, SBS shares, can connect remotely to the SBS (via LAN) etc.

- I run the MPSreport_network and I’m about to send you the /cab file.

I think I followed all of your instructions correctly, hope this will help
to understand why I’m not connect to my SBS through the internet.

Ah, also (as I said to my 1st post) I have my router forwarding ports 4125,
443, 25, 21, 3389, 80, 1723 to the SBS ip (192.168.1.1) that is assigned to
the external nic (that the router is connected to).

Also, I’m curious why using the server or the domain XP-Client-PC I can’t
login to the router’s ip (through internet explorer) to make some
configurations. The login window doesn’t allow me to log in. But when I’m
connecting the router to my laptops ethernet port (that isn’t connected to
the domain!), I can login using the same user/password and access all routers
options.
Is there any SBS-installation-default domain-security-policy that restricts
access of the domain users to the router? (I’m trying to do it as the SBS
Administrator).

Well that's all the information I collected. Please if you have any ideas,
help..

Thanks for your time!

John


"v-robeli@xxxxxxxxxxxxxxxxxxxx (Robert Li" wrote:

Hi John,

Thanks for posting in our newsgroup.

From your description, I know that you can't access the SBS server from
Internet. If that's not right, please don't hesitate to let me know.

Please let me know the following to make the situation more clearly:

1. Do you have ISA installed?
2. Can the internal users visit Internet?
3. You said "I installed no-ip and registered for a no-ip-domain", did you
get Public IP from your ISP?
4. You said " I found the broadband ip of the router using
www.whatismyip.com". What is the broadband IP you refer to, if that the
Public IP?

Based on my research, I'd like to give you the following suggestions:

Step 1: Since the SBS has two NICs and the network topology is as below,
please ensure on the router you have forwarded the incoming traffic to the
external NIC of SBS server.

{Internet}---{Router}---{SBS Server}---{Switch}---{Client Workstation}

Step 2: Please ensure the SBS server network configuration is has below:

1. External NIC (Network Connection)

IP address: 192.168.1.1
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.254 (your Hardware router IP)
DNS: (SBS internal NIC IP as the only entry)

2. Internal NIC (Server Local Area Connection)

IP address: 192.168.0.X
Subnet Mask: 255.255.255.0
Default Gateway: Blank
DNS: (SBS internal NIC IP as the only entry)

Step 3: Pleas rerun the CEICW Wizard to configure the network.

825763 How to configure Internet access in Windows Small Business Server
2003
http://support.microsoft.com/?id=825763

If the problem persists, please help me collect the following information
for deep research:

MPS-Report on SBS server

1) Download MPSreport_network from

http://download.microsoft.com/download/b/b/1/bb139fcb-4aac-4fe5-a579-30b0bd9
15706/MPSRPT_NETWORK.EXE
2) Run MPSRPT_NETWORK.exe on the server box.
3) The tool will automatically collect the information. This procedure will
take 10~15 minutes.
4) Open Windows Explorer, navigate to the folder:
%SystemRoot%\MPSReports\Network\Reports\Cab\
5) Send the .cab file directly to v-robeli@xxxxxxxxxxxxx with subject:
41264210-Can't access SBS from the Internet.

I am looking forward to hear from you.

If you need further assistance, please don't hesitate to let me know.

Best regards,

Robert Li(MSFT)

Microsoft CSS Online Newsgroup Support

Get Secure! - www.microsoft.com/security

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<
<Hi,
<
<It is my 1st time dealing with win2003sbsr2. Installation completed with
no
<probs except the following one:
<
<(I'm giving you full information to help you...help me, if possible)
<
<My server has 2 nics, one of them is connected to my LAN (ip addresses of
<type 192.168.0.X) and the other directly to the Modem/Router Speedtouch
<ST530V6 (192.168.1.254 for the router and 192.168.1.1 for SBS). I use
static
<IPs for the LAN (DHCP disabled on modem/router).
<
<I do my tests using a WinXPProSp2 client. I can login to the domain,
access
<my mailbox (pop3 connector), access the "http://companyweb/default.aspx";
and
<use "remote e-mail access" and everything else there (through LAN), but
the
<problem is that I can't access the server through the internet.
<
<I found the broadband ip of the router using www.whatismyip.com and I'm
<trying to ping there, using another PC and another DSL connection (my 2nd
<one), with no luck.
<(I installed no-ip and registered for a no-ip-domain, but I'm doing the
<tests using directly the ip for the moment..)
<
<I read many posts in here and I've set the modem/router to forward ports
<4125, 443, 25, 21, 3389, 80, 1723 to the SBS ip, but still can't access
the
<server through internet.
<
<I've also noticed something strange: using the server or the xp client to
<login to the router through internet explorer isn't possible! The login
<window appears, but cannot login (I'm using the right user & pass!).
Logging
<in to the same router is possible from another pc that is NOT connected to
<the domain! I'm visiting the router ip address again, but this time I CAN
log
<in using the same user & pass!
<I also tried to use another modem/router (FritzBoxPhone) to connect the
SBS
<to the internet, but this time SBS couldn’t access the routers ip
gateway nor
<ping it at all!
<(I configured the SBS using the “Connect to the internet” wizard from
the
<“ToDo List after, with or without firewall, still can’t access the
gateway!
<Using FritzBox with another PC OUTSIDE the domain, I can do everything!)
<I can't think why this is happening and if it has something to do with my
<main problem (can't access the SBS through internet)...
<Is there something I’m not doing right?
<
<I hope this information helps, please help if you know a way to manage
this.
<Sorry if you read anything stupid, I'm a novice user :-)
<
<Thanks in advance,
<John
<


.

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