Though this port is not officially used (and marked as reserved) one
could craft packets and use 0 thus it's valid.

** Changed in: quantum
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1188246

Title:
  Port 0 is accepted as a valid port-range value for security group rule
  creation

Status in OpenStack Quantum (virtual network service):
  Invalid

Bug description:
  Port range is accepting port 0 as a valid port number.  Security group
  rule will be created for port 0.

  
  quantum security-group-rule-create --direction ingress --protocol tcp 
--port-range-min 0 --port-range-max 111 --remote-ip-prefix 0.0.0.0/0 bad
  Created a new security_group_rule:
  -------------------------------------------------------+
  Field         Value

  -------------------------------------------------------+
  direction     ingress
  ethertype     IPv4
  external_id    
  id    8437e51f-b1eb-4824-a56e-40e7c972878e
  port_range_max        111
  port_range_min        0
  protocol      tcp
  security_group_id     c38d90ec-519b-472e-8afc-b5711b83f6e0
  source_group_id        
  source_ip_prefix       
  tenant_id     28312660553314

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