diff --git a/docs/dir.md b/docs/dir.md
index 61f5efae3a7..bc3e9c8e64d 100644
--- a/docs/dir.md
+++ b/docs/dir.md
@@ -35,7 +35,7 @@ Files:
 - `<CID>-json.log`: used by `nerdctl logs`
 - `oci-hook.*.log`: logs of the OCI hook
 - `lifecycle.json`: used to store stateful information about the container that can only be retrieved through OCI hooks
-- `network-config.json`: used to store port mapping information for containers run with the `-p` option.
+- `ports.json`: used to store port mapping information for containers run with the `-p` option.
 
 ### `<DATAROOT>/<ADDRHASH>/names/<NAMESPACE>`
 e.g. `/var/lib/nerdctl/1935db59/names/default`
diff --git a/pkg/cmd/container/create.go b/pkg/cmd/container/create.go
index 0dc2cfdc52e..4a1c941b390 100644
--- a/pkg/cmd/container/create.go
+++ b/pkg/cmd/container/create.go
@@ -392,7 +392,7 @@ func Create(ctx context.Context, client *containerd.Client, args []string, netMa
 
 	err = portutil.GeneratePortMappingsConfig(dataStore, options.GOptions.Namespace, id, netLabelOpts.PortMappings)
 	if err != nil {
-		return nil, generateRemoveOrphanedDirsFunc(ctx, id, dataStore, internalLabels), fmt.Errorf("Error writing to network-config.json: %v", err)
+		return nil, generateRemoveOrphanedDirsFunc(ctx, id, dataStore, internalLabels), fmt.Errorf("Error writing to ports.json: %v", err)
 	}
 
 	opts = append(opts, propagateInternalContainerdLabelsToOCIAnnotations(),
diff --git a/pkg/netutil/networkstore/networkstore.go b/pkg/portutil/portstore/portstore.go
similarity index 69%
rename from pkg/netutil/networkstore/networkstore.go
rename to pkg/portutil/portstore/portstore.go
index 0faa78ba9cf..63fa3e00724 100644
--- a/pkg/netutil/networkstore/networkstore.go
+++ b/pkg/portutil/portstore/portstore.go
@@ -14,7 +14,7 @@
    limitations under the License.
 */
 
-package networkstore
+package portstore
 
 import (
 	"encoding/json"
@@ -29,15 +29,15 @@ import (
 
 const (
 	containersDirBaseName = "containers"
-	networkConfigName     = "network-config.json"
+	portsFileName         = "ports.json"
 )
 
-var ErrNetworkStore = errors.New("network-store error")
+var ErrPortStore = errors.New("port-store error")
 
-func New(dataStore, namespace, containerID string) (ns *NetworkStore, err error) {
+func New(dataStore, namespace, containerID string) (ns *PortStore, err error) {
 	defer func() {
 		if err != nil {
-			err = errors.Join(ErrNetworkStore, err)
+			err = errors.Join(ErrPortStore, err)
 		}
 	}()
 
@@ -50,21 +50,21 @@ func New(dataStore, namespace, containerID string) (ns *NetworkStore, err error)
 		return nil, err
 	}
 
-	return &NetworkStore{
+	return &PortStore{
 		safeStore: st,
 	}, nil
 }
 
-type NetworkStore struct {
+type PortStore struct {
 	safeStore store.Store
 
 	PortMappings []cni.PortMapping
 }
 
-func (ns *NetworkStore) Acquire(portMappings []cni.PortMapping) (err error) {
+func (ps *PortStore) Acquire(portMappings []cni.PortMapping) (err error) {
 	defer func() {
 		if err != nil {
-			err = errors.Join(ErrNetworkStore, err)
+			err = errors.Join(ErrPortStore, err)
 		}
 	}()
 
@@ -73,25 +73,25 @@ func (ns *NetworkStore) Acquire(portMappings []cni.PortMapping) (err error) {
 		return fmt.Errorf("failed to marshal port mappings to JSON: %w", err)
 	}
 
-	return ns.safeStore.WithLock(func() error {
-		return ns.safeStore.Set(portsJSON, networkConfigName)
+	return ps.safeStore.WithLock(func() error {
+		return ps.safeStore.Set(portsJSON, portsFileName)
 	})
 }
 
-func (ns *NetworkStore) Load() (err error) {
+func (ps *PortStore) Load() (err error) {
 	defer func() {
 		if err != nil {
-			err = errors.Join(ErrNetworkStore, err)
+			err = errors.Join(ErrPortStore, err)
 		}
 	}()
 
-	return ns.safeStore.WithLock(func() error {
-		doesExist, err := ns.safeStore.Exists(networkConfigName)
+	return ps.safeStore.WithLock(func() error {
+		doesExist, err := ps.safeStore.Exists(portsFileName)
 		if err != nil || !doesExist {
 			return err
 		}
 
-		data, err := ns.safeStore.Get(networkConfigName)
+		data, err := ps.safeStore.Get(portsFileName)
 		if err != nil {
 			if errors.Is(err, store.ErrNotFound) {
 				err = nil
@@ -103,7 +103,7 @@ func (ns *NetworkStore) Load() (err error) {
 		if err := json.Unmarshal(data, &ports); err != nil {
 			return fmt.Errorf("failed to parse port mappings %v: %w", ports, err)
 		}
-		ns.PortMappings = ports
+		ps.PortMappings = ports
 
 		return err
 	})
diff --git a/pkg/portutil/portutil.go b/pkg/portutil/portutil.go
index 681988c654f..0b03bdcbcef 100644
--- a/pkg/portutil/portutil.go
+++ b/pkg/portutil/portutil.go
@@ -28,7 +28,7 @@ import (
 	"github.com/containerd/log"
 
 	"github.com/containerd/nerdctl/v2/pkg/labels"
-	"github.com/containerd/nerdctl/v2/pkg/netutil/networkstore"
+	"github.com/containerd/nerdctl/v2/pkg/portutil/portstore"
 	"github.com/containerd/nerdctl/v2/pkg/rootlessutil"
 )
 
@@ -141,25 +141,25 @@ func ParseFlagP(s string) ([]cni.PortMapping, error) {
 }
 
 func GeneratePortMappingsConfig(dataStore, namespace, id string, portMappings []cni.PortMapping) error {
-	ns, err := networkstore.New(dataStore, namespace, id)
+	ps, err := portstore.New(dataStore, namespace, id)
 	if err != nil {
 		return err
 	}
-	return ns.Acquire(portMappings)
+	return ps.Acquire(portMappings)
 }
 
 func LoadPortMappings(dataStore, namespace, id string, containerLabels map[string]string) ([]cni.PortMapping, error) {
 	var ports []cni.PortMapping
 
-	ns, err := networkstore.New(dataStore, namespace, id)
+	ps, err := portstore.New(dataStore, namespace, id)
 	if err != nil {
 		return ports, err
 	}
-	if err = ns.Load(); err != nil {
+	if err = ps.Load(); err != nil {
 		return ports, err
 	}
-	if len(ns.PortMappings) != 0 {
-		return ns.PortMappings, nil
+	if len(ps.PortMappings) != 0 {
+		return ps.PortMappings, nil
 	}
 
 	portsJSON := containerLabels[labels.Ports]