┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Variable                              ┃ Description                          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ variable1                             │ A port variable.                     │
│  port   basic   mandatory             │ Validators:                          │
│                                       │ - well-known ports (1 to 1023) are   │
│                                       │ allowed                              │
│                                       │ - registred ports (1024 to 49151)    │
│                                       │ are allowed                          │
│                                       │ - private ports (greater than 49152) │
│                                       │ are allowed                          │
├───────────────────────────────────────┼──────────────────────────────────────┤
│ variable2                             │ A port variable with default value.  │
│  port   standard   mandatory          │ Validators:                          │
│                                       │ - well-known ports (1 to 1023) are   │
│                                       │ allowed                              │
│                                       │ - registred ports (1024 to 49151)    │
│                                       │ are allowed                          │
│                                       │ - private ports (greater than 49152) │
│                                       │ are allowed                          │
│                                       │ Default: 8080                        │
├───────────────────────────────────────┼──────────────────────────────────────┤
│ variable3                             │ A port variable with integer default │
│  port   standard   mandatory          │ value.                               │
│                                       │ Validators:                          │
│                                       │ - well-known ports (1 to 1023) are   │
│                                       │ allowed                              │
│                                       │ - registred ports (1024 to 49151)    │
│                                       │ are allowed                          │
│                                       │ - private ports (greater than 49152) │
│                                       │ are allowed                          │
│                                       │ Default: 8080                        │
└───────────────────────────────────────┴──────────────────────────────────────┘