)

// Namer namer interface
type Namer interface {
	TableName(table string) string
	SchemaName(table string) string
	ColumnName(table, column string) string
	JoinTableName(joinTable string) string
	RelationshipFKName(Relationship) string
	CheckerName(table, column string) string
	IndexName(table, column string) string
	UniqueName(table, column string) string
}

// Replacer replacer interface like strings.Replacer

	"istio.io/istio/pkg/util/sets"
	"istio.io/istio/tools/istio-iptables/pkg/config"
	"istio.io/istio/tools/istio-iptables/pkg/constants"
	"istio.io/istio/tools/istio-iptables/pkg/log"
)

// Rule represents iptables rule - chain, table and options
type Rule struct {
	chain  string
	table  string
	params []string
}

// Rules represents iptables for V4 and V6
type Rules struct {
	rulesv4 []*Rule
	rulesv6 []*Rule

```sh
firewall-cmd --reload
```

### iptables

For hosts with iptables enabled (RHEL, CentOS, etc), you can use `iptables` command to enable all traffic coming to specific ports. Use below command to allow
access to port 9000

```sh
iptables -A INPUT -p tcp --dport 9000 -j ACCEPT
service iptables restart
```

	ISO = 0xD800000000000000

	// The ECMA polynomial, defined in ECMA 182.
	ECMA = 0xC96C5795D7870F42
)

// Table is a 256-word table representing the polynomial for efficient processing.
type Table [256]uint64

var (
	slicing8TablesBuildOnce sync.Once
	slicing8TableISO        *[8]Table
	slicing8TableECMA       *[8]Table
)

func buildSlicing8TablesOnce() {
	slicing8TablesBuildOnce.Do(buildSlicing8Tables)
}

	} else {
		// Initialize the slicing-by-8 table.
		ieeeTable8 = slicingMakeTable(IEEE)
		updateIEEE = func(crc uint32, p []byte) uint32 {
			return slicingUpdate(crc, ieeeTable8, p)
		}
	}
}

// MakeTable returns a [Table] constructed from the specified polynomial.
// The contents of this [Table] must not be modified.
func MakeTable(poly uint32) *Table {
	switch poly {
	case IEEE:
		ieeeOnce.Do(ieeeInit)

        image: "{{ annotation .ObjectMeta `sidecar.istio.io/proxyImage` .Values.global.proxy_init.image }}"
      {{- else }}
        image: "{{ .ProxyImage }}"
      {{- end }}
        args:
        - istio-iptables
        - "-p"
        - {{ .MeshConfig.ProxyListenPort | default "15001" | quote }}
        - "-z"
        - {{ .MeshConfig.ProxyInboundListenPort | default "15006" | quote }}
        - "-u"

//
// The simple (and slow) CRC32 implementation only uses a 256*4 bytes table.
//
// The slicing-by-8 algorithm is a faster implementation that uses a bigger
// table (8*256*4 bytes).

package crc32

import "internal/byteorder"

// simpleMakeTable allocates and constructs a Table for the specified
// polynomial. The table is suitable for use with the simple algorithm
// (simpleUpdate).

										Column: clause.Column{Table: parentTableName, Name: ref.PrimaryKey.DBName},
										Value:  clause.Column{Table: tableAliasName, Name: ref.ForeignKey.DBName},
									}
								} else {
									if ref.PrimaryValue == "" {
										exprs[idx] = clause.Eq{
											Column: clause.Column{Table: parentTableName, Name: ref.ForeignKey.DBName},
											Value:  clause.Column{Table: tableAliasName, Name: ref.PrimaryKey.DBName},

  fi

  if [[ "${ENABLE_APISERVER_LOGS_HANDLER:-}" == "false" ]]; then
    params+=" --enable-logs-handler=false"
  fi
  if [[ "${APISERVER_SET_KUBELET_CA:-false}" == "true" ]]; then
    params+=" --kubelet-certificate-authority=${CA_CERT_BUNDLE_PATH}"
  fi

  if [[ -n "${ADMISSION_CONTROL:-}" ]]; then
    params+=" --enable-admission-plugins=${ADMISSION_CONTROL}"

	stmt := &gorm.Statement{DB: m.DB}
	if m.DB.Statement != nil {
		stmt.Table = m.DB.Statement.Table
		stmt.TableExpr = m.DB.Statement.TableExpr
	}

	if table, ok := value.(string); ok {
		stmt.Table = table
	} else if err := stmt.ParseWithSpecialTableName(value, stmt.Table); err != nil {
		return err
	}

	return fc(stmt)
}

// DataTypeOf return field's db data type