if len(values[peerRESTListenPrefix]) > 1 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrFilterNamePrefix), r.URL)
		return
	}

	if len(values[peerRESTListenPrefix]) == 1 {
		if err := event.ValidateFilterRuleValue(values[peerRESTListenPrefix][0]); err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}

		prefix = values[peerRESTListenPrefix][0]
	}

	var suffix string

package event

import (
	"encoding/xml"
	"errors"
	"io"
	"reflect"
	"strings"
	"unicode/utf8"

	"github.com/minio/minio-go/v7/pkg/set"
)

// ValidateFilterRuleValue - checks if given value is filter rule value or not.
func ValidateFilterRuleValue(value string) error {
	for _, segment := range strings.Split(value, "/") {
		if segment == "." || segment == ".." {
			return &ErrInvalidFilterValue{value}
		}
	}

		{string([]byte{0xff, 0xfe, 0xfd}), true},
		{`foo\bar`, true},
		{"Hello/世界", false},
	}

	for i, testCase := range testCases {
		err := ValidateFilterRuleValue(testCase.value)
		expectErr := (err != nil)

		if expectErr != testCase.expectErr {
			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}
	}
}

		return grid.NewRemoteErrString("invalid request (peerRESTListenPrefix)")
	}
	globalAPIConfig.getRequestsPoolCapacity()
	if len(values[peerRESTListenPrefix]) == 1 {
		if err := event.ValidateFilterRuleValue(values[peerRESTListenPrefix][0]); err != nil {
			return grid.NewRemoteErr(err)
		}

		prefix = values[peerRESTListenPrefix][0]
	}

	var suffix string
	if len(values[peerRESTListenSuffix]) > 1 {