Revert "CFE-2528: Changed the default for allowallconnects"

[olehermanse]

Reverts #2969

[olehermanse]

It seems this did cause some unexpected issues. See:
olehermanse/cfengine-allow-hosts#1

[craigcomstock]

I can try this change later when I retry my scenario. 👍

[craigcomstock]

looking at debug cf-serverd logs here is some context around the failure I saw

 verbose: 12.202.69.3>          Received:     MD5 modules/packages/apk                                                                
   debug: 12.202.69.3>     ShortcutsExpand: Path 'modules/packages/apk' became: /var/cfengine/modules//packages/apk
 verbose: 12.202.69.3>     Translated to:     MD5 /var/cfengine/modules/packages/apk
   debug: 12.202.69.3>     Admit IP due to rule: 12.202.69.3
   debug: 12.202.69.3>     acl_CheckPath: '/var/cfengine/modules/packages/apk' found in ACL entry '/var/cfengine/modules/', admit=true
   debug: 12.202.69.3>     Hashes matched ok
   debug: 12.202.69.3>     SendTransaction header: t 9
   debug: 12.202.69.3>     SendTransaction data: CFD_FALSE
   debug: select(): 1
   debug: Socket descriptor returned from accept(): 12
 verbose: Obtained IP address of '12.202.69.3' on socket 12 from accept
   debug: Purging Old Connections...
   debug: Done purging old connections
   error: Remote host '12.202.69.3' is not in allowallconnects, denying second simultaneous connection
 verbose: CollectCallHasPending: false
   debug: Waiting at incoming select...
   debug: select(): 0
 verbose: CollectCallHasPending: false
   debug: Waiting at incoming select...
   debug: select(): 0
 verbose: CollectCallHasPending: false
   debug: Waiting at incoming select...
   debug: select(): 1
   debug: Socket descriptor returned from accept(): 12
 verbose: Obtained IP address of '12.202.69.3' on socket 12 from accept
   debug: Purging Old Connections...
   debug: Done purging old connections
   error: Remote host '12.202.69.3' is not in allowallconnects, denying second simultaneous connection
 verbose: CollectCallHasPending: false
   debug: Waiting at incoming select...

[olehermanse]

Created followup: https://northerntech.atlassian.net/browse/ENT-12774. Merging since this seems to improve on the current state.