Question

ISA 2006 Blocking Certificate Authority MMC

Asked by: TranzRail

Hi all. Im having issues trying to access the "Enterprise Root CA" within my domain from a ISA 2006 server. This is the same server that I have asked a previous question about (without a 100% working answer%). The server has got a Allow rule to the Internal Network and has no issues with HTTP, DNS, LDAP protocals. Within the logs, it trys to access the CA on port 42999 (Im assuming this is a radom RPC protocal). Could someone please help?

Thanks

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Asked On
2009-11-05 at 06:49:25ID24874561
Tags

ISA 2006

,

Server 2003

,

Server 2008

,

Certificate Authority

Topics

Microsoft Applications

,

Microsoft Operating Systems

,

Network Software Firewalls

Participating Experts
1
Points
500
Comments
6

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Answers

 

by: PingRiyazPosted on 2009-11-05 at 10:56:02ID: 25752647

Create a rule on you ISA -> allow all outbound traffic from local host and CA server to the local host and CA server.

The above rule will alllow the ISA server to reach the CA server on all ports and vice versa.

 

by: TranzRailPosted on 2009-11-05 at 16:06:25ID: 25755527

If I do that, arn't I making my CA server vulnerable? The Enterprise Root resides on a DC.

 

by: PingRiyazPosted on 2009-11-05 at 17:00:54ID: 25755836

What is your need for accessing Enterprise Root CA from your ISA and how are you trying to access it.

If all you need is to do CRL downloads then enable system policy # 25

 

by: TranzRailPosted on 2009-11-05 at 18:24:01ID: 25756164

System Policy #25 is enabled. Im trying to access the DC Enterprise Root CA from the MMC console on the ISA server.

 

by: PingRiyazPosted on 2009-11-05 at 18:31:36ID: 25756191

You may not be using the CA MMC always, so the only option is to create rule to allow all ports and disable the rule when the job is complete.

 

by: TranzRailPosted on 2009-11-05 at 19:38:32ID: 31650508

Obvious solution.

20120131-EE-VQP-002

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