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| Which hostid should I lock my license to? |
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Article ID: 116
Last Updated: 14th June 2010 06:26:57 am
The following table lists the hostid types that LM-X supports and indicates each type's level of security and flexibility, so you can decide which hostid type(s) work best for your needs.
Hostid Type
|
Security |
Flexibility |
Notes |
| Hostname |
Low |
High |
Easy to move.
|
| Username |
Low |
High |
Easy to move. |
IP address
|
Low |
High |
Easy to move. |
Harddisk
|
High |
Low |
Difficult to move.
|
BIOS
|
High |
Low |
Difficult to move.
|
Long (Unix-specific locking)
|
High |
Low |
Difficult to move. |
Ethernet card
|
Medium |
Low |
Difficult to move; however, it is possible to change the MAC address, which somewhat compromises security. |
HaspHL dongle
|
High |
High |
Dongles have superior security and flexibility; however, because the dongle is a physical device, it has the risk of being lost or broken. |
| Custom |
High |
High |
Lets you develop your own algorithm to lock the application to custom hardware. |
You can lock a license to multiple hostids. For example, you might lock a feature to the license server machine hostname, ethernet adapter and harddisk. This requires that all three hostids must be present for the license server to work.
Instead of requiring an exact 1:1 match (the default) when using multiple hostids, you can allow a more lenient partial match (achieved using the LMX_OPT_HOSTID_COMPARE_FUNCTION). A strict 1:1 match provides optimal security, while a less strict match provides more flexibility for users, allowing them to run the software if, for example, only two out of three hostid values are valid.
Also see the related KB articles:
Which hostid should I use to lock my node-locked license application to a particular machine?
Which hostid should I use to lock my floating license application to a particular license server machine?
Should I lock my license to only one hostid or use multiple hostids?
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