security change after signup of DE

gistfile1.txt

var connName = process.args[1];
console.log('connection = ' + connName);
var conn = jsforce.registry.getConnection(connName);
conn.identity().then(function() {
  return conn.metadata.update('SecuritySettings', { fullName: 'Security', passwordPolicies: { expiration: 'Never' }});
}).then(function() {
  return conn.metadata.update('Profile', { fullName: 'Admin', loginIpRanges: { startAddress:'0.0.0.0', endAddress: '255.255.255.255' } });
});