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ISA with 2 NICS - 20.Jan.2009 11:29:16 AM

zaibee

Posts: 10
Joined: 20.Jan.2009
Status: offline

Hi,

I have installed ISA on a VM with 2 NIC

first is pointing to internal network and can talk to webserver running with sharepoint.

second is pointing to external (untrusted) network. When I try to connect https://portal.xxx.co.uk, it only recieved packet but does not reply anything back, Activity says Packets sent 700 received 0.

Is there anything I need to change on the network cards in order to access portal from outside?

Thanks,

Post #: 1

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RE: ISA with 2 NICS - 20.Jan.2009 12:31:16 PM

zaibee

Posts: 10
Joined: 20.Jan.2009
Status: offline

I have following the ISA networking article below but still no luck,

http://www.isaserver.org/tutorials/configuring_isa_server_interface_settings.html

(in reply to zaibee)

Post #: 2

RE: ISA with 2 NICS - 20.Jan.2009 12:51:31 PM

paulo.oliveira

Posts: 3472
Joined: 3.Jan.2008
From: Amazon, Brazil
Status: offline

Hi,

did you created a web publishing rule to publish the share point server to the internet?

Regards,
Paulo Oliveira.

(in reply to zaibee)

Post #: 3

RE: ISA with 2 NICS - 21.Jan.2009 7:30:39 AM

zaibee

Posts: 10
Joined: 20.Jan.2009
Status: offline

Yes I have created the sharepoint rule to all network traffic to access portal and also configured the listener to listener through ports 443 and 80. I have also got the certificate installed too.

It seems like the traffic is coming into the ISA Server but it is not sending the packet back to the external client.

ISA server talk to webserver using port 80.

Any other idea where shall I look around to resolve this issue?

Many Thanks,

(in reply to paulo.oliveira)

Post #: 4

RE: ISA with 2 NICS - 21.Jan.2009 9:52:20 AM

paulo.oliveira

Posts: 3472
Joined: 3.Jan.2008
From: Amazon, Brazil
Status: offline

Hi,

the sharepoint server gateway is pointing to ISA internal IP address?

Regards,
Paulo Oliveira.

(in reply to zaibee)

Post #: 5

RE: ISA with 2 NICS - 21.Jan.2009 10:02:27 AM

zaibee

Posts: 10
Joined: 20.Jan.2009
Status: offline

Hi,

It was pointing to internal DNS but I changed to external address.

I am also not able to browse internet from ISA server and coming up with the error message number 12211.

I can use the portal from internal network directly accessing to webserver but externally its still an issue. Any ideas

Thanks

(in reply to paulo.oliveira)

Post #: 6

RE: ISA with 2 NICS - 21.Jan.2009 10:35:48 AM

paulo.oliveira

Posts: 3472
Joined: 3.Jan.2008
From: Amazon, Brazil
Status: offline

Hi,

quote:

It was pointing to internal DNS but I changed to external address.

It must point to ISA internal NIC IP address.

Regards,
Paulo Oliveira.

(in reply to zaibee)

Post #: 7

RE: ISA with 2 NICS - 21.Jan.2009 10:38:50 AM

zaibee

Posts: 10
Joined: 20.Jan.2009
Status: offline

I have tried both the options but still no luck!

Thanks

(in reply to paulo.oliveira)

Post #: 8

RE: ISA with 2 NICS - 21.Jan.2009 6:28:58 PM

Gaza

Posts: 29
Joined: 17.Oct.2006
Status: offline

Hi zaibee,

What does the Monitoring->Logging come up with?

Cheers,
Gareth

(in reply to zaibee)

Post #: 9

RE: ISA with 2 NICS - 22.Jan.2009 7:01:58 AM

zaibee

Posts: 10
Joined: 20.Jan.2009
Status: offline

Hi Gareth,

Monitoring logs tells me that the access is denied of the traffic(Netbio Name Service) for everything apart from local host to webserver publishing my sharepoint.
I cant even browse the internet from ISA Server.

Is there any way to allow all the traffic on ISA Proxy as I know the default enterprise rule denies everything.

Atm I have got only one rule (sharepoint) in place to allow traffic from any network to portal and the listener listens for 443.

Any idea where am I doing wrong?

Regards,

(in reply to Gaza)

Post #: 10