Hamachi:Microsoft ISA Server 2004

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Introduction

Hamachi does not require you to make any changes to your network firewall, 'router' or NAT device. However in a rare cases when your border device is overly restrictive, you may need to tweak its config.

Detail

1. Start your ISA Server Management Console
2. Select the firewall Policy section
3. Click on the TOOLBOX tab (right side of the screen)
4. Select the protocols section
5. Select new protocol
6. Protocol Definition Name : Hamachi Protocol
7. Click New
8. Protocol Type : TCP Direction : Outbound Port Range : 12975 to 12975 (for version 0.9.9.3 and newer)
9. Click OK
10. Click New
11. Protocol Type : UDP Direction : Send Port Range : 1 to 65535
12. Click OK, NEXT, NEXT and Finish
13. Select the Tasks tab (right side of the screen)
14. Click create new access rule
15. Access Rule Name : Hamachi Access Rule
16. Click Next
17. Select ALLOW
18. Choose Selected Protocols
19. Click ADD and goto USER DEFINED section
20. Choose : Hamachi Protocol
21. Click NEXT
22. Source -> Networks -> Internal
23. Click NEXT
24. Destination -> Networks -> External
25. Click NEXT, NEXT, FINISH
26. Click APPLY the save the Firewall Rulebase.

Notes

Make sure that both protocols (TCP and the UDP) are in the primary connection section. so the secondary connection section should be empty.

This was tested with Microsoft ISA 2004 SP1 running on Windows 2003 Standard edition and with an Windows XP SP2 client with the firewall client installed.

Credit: bio
Discussion Here

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Note: This article was written for the Hamachi 1.x version. Some features and functionality may be different, missing, or using different steps in Hamachi version 2.x . If you wish to update this article to cover Hamachi2, change the {{{c-hamachi}}} tag to {{{c-hamachi2}}} after your edits.

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