diff --git a/api/middleware/address_style.go b/api/middleware/address_style.go
index dd5efb43..6e82ae68 100644
--- a/api/middleware/address_style.go
+++ b/api/middleware/address_style.go
@@ -122,6 +122,10 @@ func preparePathStyleAddress(reqInfo *ReqInfo, r *http.Request, reqLogger *zap.L
 }
 
 func checkDomain(host string, domains []string) (bktName string, match bool) {
+	if pos := strings.Index(host, ":"); pos != -1 {
+		host = host[:pos]
+	}
+
 	partsHost := strings.Split(host, ".")
 	for _, pattern := range domains {
 		partsPattern := strings.Split(pattern, ".")
diff --git a/api/middleware/address_style_test.go b/api/middleware/address_style_test.go
index 09e2d542..78924f9c 100644
--- a/api/middleware/address_style_test.go
+++ b/api/middleware/address_style_test.go
@@ -409,6 +409,13 @@ func TestCheckDomains(t *testing.T) {
 			requestURL:    "bktA.bktB.s3.kapusta.domain.com",
 			expectedMatch: false,
 		},
+		{
+			name:            "valid url with bktName and namespace (wildcard after protocol infix) with port",
+			domains:         []string{"s3.<wildcard>.domain.com"},
+			requestURL:      "bktA.s3.kapusta.domain.com:8884",
+			expectedBktName: "bktA",
+			expectedMatch:   true,
+		},
 	} {
 		t.Run(tc.name, func(t *testing.T) {
 			bktName, match := checkDomain(tc.requestURL, tc.domains)
diff --git a/cmd/s3-gw/app_settings.go b/cmd/s3-gw/app_settings.go
index 60b4c713..83769669 100644
--- a/cmd/s3-gw/app_settings.go
+++ b/cmd/s3-gw/app_settings.go
@@ -1288,6 +1288,11 @@ func validateDomains(domains []string, log *zap.Logger) []string {
 	validDomains := make([]string, 0, len(domains))
 LOOP:
 	for _, domain := range domains {
+		if strings.Contains(domain, ":") {
+			log.Warn(logs.WarnDomainContainsPort, zap.String("domain", domain))
+			continue
+		}
+
 		domainParts := strings.Split(domain, ".")
 		for _, part := range domainParts {
 			if strings.ContainsAny(part, "<>") && part != wildcardPlaceholder {
diff --git a/cmd/s3-gw/validate_test.go b/cmd/s3-gw/validate_test.go
index fe88228e..95ef30dc 100644
--- a/cmd/s3-gw/validate_test.go
+++ b/cmd/s3-gw/validate_test.go
@@ -21,6 +21,8 @@ func TestValidateDomains(t *testing.T) {
 		"s3dev.fro<stfs.devenv",
 		"<wildcard>.dev.<wildcard>.frostfs.devenv",
 		"<wildcard>.dev.<wildc>ard>.frostfs.devenv",
+		"s3dev.frostfs.devenv:8888",
+		"<wildcard>.frostfs.devenv:443",
 	}
 	expectedDomains := []string{
 		"s3dev.frostfs.devenv",
diff --git a/internal/logs/logs.go b/internal/logs/logs.go
index 7f212ee9..49752b19 100644
--- a/internal/logs/logs.go
+++ b/internal/logs/logs.go
@@ -183,4 +183,5 @@ const (
 	FailedToListAllObjectRelations                       = "failed to list all object relations"
 	WarnInvalidTypeTLSTerminationHeader                  = "invalid type of value of tls termination header"
 	FailedToPutTombstones                                = "failed to put tombstones"
+	WarnDomainContainsPort                               = "the domain contains a port, domain skipped"
 )