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2.4 Product permits

Permits for application products determine the use of that application at any particular client site. Permits are human-readable text files with embedded lock strings. Permits can be altered only if the correct lock string is provided. Permit files can be obtained from LispWorks Ltd upon purchase of your Lisp product. Figure 2.1 shows a sample permit file.

 

Figure 2.1 Sample permit file

########### The license server permit #############
 
THE HARLEQUIN LICENSE SERVER VERSION 2.0
 
NUMBER: 680
 
# Licensed to run on:
 
SERVERS: 1
# Internet-address      Unique-ID
  192.124.144.205       0x6902b805
 
PERMITS: 1
 
#--------------------------------------------------------#
   SXMi35wKZTM48C6FX3@Z2<W2?          g?PAu5AYfXJ2QXMP?5SOb=94O
#--------------------------------------------------------#
 
Harlequin Limited 
Liquid 
Liquid
 
# Licence Node     Floating  Start      Expiry     Update
# Policy  Licences Licences  Date(dmy)  Date(dmy)  Period(min)
  0x41    0        5         19/08/1998 19/08/2010 5
 
# Application data (signed values)
 
DATA: 4
 
      3 0 0 0
 
LOCKED-NODES: 0
 
#--------------------------------------------------------#
   fOonr3ToY?<3p3mwJ576=ts5?          qCno@5ov@:25Ze5Z32rUStK5?
#--------------------------------------------------------#

Each permit contains information about:

  1. The product version.
  2. The licensing policy associated with the product.
  3. The number and types of licenses available.
  4. Start and expiration dates of the permit.
  5. Data specific to the application. For example, features that are enabled by the permit, or extra security checks.
  6. If node-locked licenses are specified, details of hosts to which the product is locked.

Two basic types of license are provided: floating and node-locked licenses. If ten floating licenses are specified in a product permit then up to ten instances of the product may be run simultaneously anywhere on the network (assuming access to the current license server for the associated server domain). Node-locked licenses allow the product to be run only on certain hosts. These hosts may be specified in the product permit or, if the permit allows it, they may be configured by your systems administrator. Depending on the policy settings for the permit, floating licenses may be converted into node-locked licenses according to your requirements.


LispWorks Guide to the License Server - 13 Aug 2010

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