Network policy
Override one hostname with another.
{  "name": "Override example.com with 1.1.1.1",  "conditions": [    {      "type": "traffic",      "expression": {        "and": [          {            "in": {              "lhs": "net.dst.ip",              "rhs": [                {                  "ip": "203.0.113.17"                }              ]            }          },          {            "==": {              "lhs": "net.dst.port",              "rhs": 80            }          }        ]      }    }  ],  "action": "l4_override",  "precedence": 50000,  "enabled": true,  "description": "",  "rule_settings": {    "block_page_enabled": false,    "block_reason": "",    "biso_admin_controls": {      "dcp": false,      "dd": false,      "dk": false,      "dp": false,      "du": false    },    "add_headers": {},    "ip_categories": false,    "l4override": {      "ip": "1.1.1.1",      "port": 80    },    "override_host": "",    "override_ips": null  },  "filters": ["l4"]
}