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How to configure Skype on ISA Server 2000

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How to configure Skype on ISA Server 2000 - 22.Apr.2004 6:53:00 PM   
Hegris

 

Posts: 54
Joined: 22.Aug.2002
Status: offline
Configure Skype on ISA Server 2000.

First make 3 new protocol Definations

1.) New Defination "Skype UDP Send/Receive"

a.) On the general tab type a name etc. "Skype UDP Send-Receive".
b.) On the Parameters tab Portnumber etc.: 65530
Protocol type : UDP
Direction : Send Receive

c.) Secondary connections:
Port Range : 1024 - 65530
Protocol type : UDP
Direction : Send Receive

2.) New defination "Skype TCP Inbound"

a.) On the general tab type a name etc. "Skype TCP Inbound".
b.) On the Parameters tab Portnumber etc.: 65530
Protocol type : TCP
Direction : Inbound

3.) New defination "Skype TCP Outbound"
a.)On the general tab type a name etc. "Skype TCP Outbound".
b.) On the Parameters tab Portnumber etc.: 65530
Protocol type : TCP
Direction : Outbound

c.) Secondary connections:
Port Range : 1024 - 65530
Protocol type : TCP
Direction : Outbound

4.) And a last you need a new Server Publishing Rule
a.) On the general tab type a name etc. "Skype Connect". v Enable (hooked off)
b.) On the Action tab:
IP Address of internal Server etc.: 10.0.0.5
External IP address on ISA Server etc. 222.221.34.245
Mapped server protocol(The one you made above "Skype TCP Inbound")
c.) On the Applies To tab
This rule applies to: Marked for Any request

That 's all

Hegris
Post #: 1
RE: How to configure Skype on ISA Server 2000 - 3.Mar.2005 4:33:00 AM   
Guest
Hegris, I tried the solution which gave but got stuck where creating server publishing rule...it says that specify internal and external ip address...and I did the same.

My ISA server has two NIC one it 10.1.1.252 and the other is 10.1.1.253.

I gave both ips as one internal and the other as external but its not working.

Can u help please.

Prem.
pkgoundar@rediffmail.com

(in reply to Hegris)
  Post #: 2
RE: How to configure Skype on ISA Server 2000 - 4.Mar.2005 2:59:00 PM   
fovos

 

Posts: 6
Joined: 10.Jun.2004
Status: offline
try this is working for me

http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=7;t=001963 [Wink]

(in reply to Hegris)
Post #: 3
RE: How to configure Skype on ISA Server 2000 - 7.Mar.2005 12:05:00 AM   
AHIT

 

Posts: 1561
Joined: 22.Jul.2002
From: Sydney, Australia
Status: offline
Prem,

You've probably got other weired stuff going on with ISA as well I imagine given that your internal and external IP address'es are IN THE SAME SUBNET!
Even if you were using /30 subnet masking to create (up to 64) internal networks with smaller ranges .252 & .253 would still not work.
How can ISA know whats local and whats external when the IPs' are side-by-side and your LAT is probably also misconfigured.

Try using a different range for your external network, say 10.1.0.whatever and ensure ONLY 10.1.1.1 is in your LAT.

(in reply to Hegris)
Post #: 4
RE: How to configure Skype on ISA Server 2000 - 13.Mar.2005 2:47:00 AM   
Guest
hi can you write this configuration and can you add PRINT SCREEN because i dont now how configurate thnx [Smile]

(in reply to Hegris)
  Post #: 5
RE: How to configure Skype on ISA Server 2000 - 18.Mar.2005 1:15:00 AM   
jsun9

 

Posts: 41
Joined: 13.Mar.2002
Status: offline
I've been able to connect using these steps. But, before it worked I had to specify in Skype's options under the connection tab to use port 65530 for incomming connections. I do not use the firewall client but am a SecureNAT client.

(in reply to Hegris)
Post #: 6
RE: How to configure Skype on ISA Server 2000 - 8.Apr.2005 9:52:00 AM   
phlim2001

 

Posts: 11
Joined: 8.Apr.2005
Status: offline
I followed all the steps from 1 to 3.

For step no.4 , I unmanaged to create the server publishing rule. This is because my external interface at ISA 2000 server is private IP address. We did the NAT at VPN box in order for the ISA server to go out. For your info, we used many to one NAT.

I tried to keyin the public IP address (where I obtained from the NAT), but it prompted me to browse from the external IP arrays. Where can I keyin my external IP address in the array/list at ISA 2000 server?

Am I correct as I use the NAT (public IP address)?

(in reply to Hegris)
Post #: 7
RE: How to configure Skype on ISA Server 2000 - 20.Apr.2005 9:02:00 PM   
Guest
Tried the main post and it worked fine. Thank you!

There is no need to add all the other ports as secondary connections as it works fine without them.

Pointless keeping more open than is required.

(in reply to Hegris)
  Post #: 8
RE: How to configure Skype on ISA Server 2000 - 27.May2005 7:28:00 AM   
Guest
I did it all: created rules and opened all ports greater than 1024, TCP and UDP with protocol rules and opened incoming 65530 with a server publishing rule... no success. I think there are some other restrictions that I've missed...

(in reply to Hegris)
  Post #: 9
RE: How to configure Skype on ISA Server 2000 - 27.May2005 1:49:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hey guys,

check out the Skype Network Administrators Guide at http://www.skype.com/security/ .

HTH,
Stefaan

(in reply to Hegris)
Post #: 10
RE: How to configure Skype on ISA Server 2000 - 22.Sep.2005 9:01:00 PM   
kuachi

 

Posts: 9
Joined: 21.Sep.2005
Status: offline
i'm somehow stucked at step #4 as my proxy does not have an external IP, it's sitting behind a firewall.

(in reply to Hegris)
Post #: 11
RE: How to configure Skype on ISA Server 2000 - 27.Sep.2005 9:24:00 AM   
jbland

 

Posts: 12
Joined: 12.Sep.2005
From: UK
Status: offline
Hi I have follwed the steps as mentioned in the first post, but on step 4 i wasn't able to select the first protocol definition I made - only the Skype TCP Inbound protocol definition.

Skype now shows I am online but I cannot search for any users or make calls. Can anyone tell me what I'm missing?

Thanks Jon.

(in reply to Hegris)
Post #: 12
RE: How to configure Skype on ISA Server 2000 - 6.Oct.2005 4:15:00 AM   
kuachi

 

Posts: 9
Joined: 21.Sep.2005
Status: offline
i skipped step 4 and added site and content rule to allow www.skype.com

it somehow worked from there. I was able to search and call.

(in reply to Hegris)
Post #: 13

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