diff --git a/virtweb_backend/src/controllers/server_controller.rs b/virtweb_backend/src/controllers/server_controller.rs
index d029059..5d69687 100644
--- a/virtweb_backend/src/controllers/server_controller.rs
+++ b/virtweb_backend/src/controllers/server_controller.rs
@@ -47,6 +47,7 @@ struct ServerConstraints {
     nwfilter_name_size: LenConstraints,
     nwfilter_comment_size: LenConstraints,
     nwfilter_priority: SLenConstraints,
+    nwfilter_selectors_count: LenConstraints,
 }
 
 pub async fn static_config(local_auth: LocalAuthEnabled) -> impl Responder {
@@ -89,6 +90,7 @@ pub async fn static_config(local_auth: LocalAuthEnabled) -> impl Responder {
                 min: -1000,
                 max: 1000,
             },
+            nwfilter_selectors_count: LenConstraints { min: 0, max: 1 },
         },
     })
 }
diff --git a/virtweb_frontend/src/api/ServerApi.ts b/virtweb_frontend/src/api/ServerApi.ts
index 6ab909e..ac68612 100644
--- a/virtweb_frontend/src/api/ServerApi.ts
+++ b/virtweb_frontend/src/api/ServerApi.ts
@@ -25,6 +25,7 @@ export interface ServerConstraints {
   nwfilter_name_size: LenConstraint;
   nwfilter_comment_size: LenConstraint;
   nwfilter_priority: LenConstraint;
+  nwfilter_selectors_count: LenConstraint;
 }
 
 export interface LenConstraint {
diff --git a/virtweb_frontend/src/widgets/forms/NWFilterRules.tsx b/virtweb_frontend/src/widgets/forms/NWFilterRules.tsx
new file mode 100644
index 0000000..0938e75
--- /dev/null
+++ b/virtweb_frontend/src/widgets/forms/NWFilterRules.tsx
@@ -0,0 +1,146 @@
+import ArrowDownwardIcon from "@mui/icons-material/ArrowDownward";
+import ArrowUpwardIcon from "@mui/icons-material/ArrowUpward";
+import DeleteIcon from "@mui/icons-material/Delete";
+import {
+  Button,
+  Card,
+  CardActions,
+  CardContent,
+  IconButton,
+} from "@mui/material";
+import { NWFilterRule } from "../../api/NWFilterApi";
+import { EditSection } from "./EditSection";
+import { SelectInput } from "./SelectInput";
+import { TextInput } from "./TextInput";
+import { ServerApi } from "../../api/ServerApi";
+
+export function NWFilterRules(p: {
+  editable: boolean;
+  rules: NWFilterRule[];
+  onChange?: () => void;
+}): React.ReactElement {
+  const addRule = () => {
+    p.rules.push({
+      action: "drop",
+      direction: "inout",
+      selectors: [],
+    });
+    p.onChange?.();
+  };
+
+  const swapRules = (f: number, s: number) => {
+    const swap = p.rules[f];
+    p.rules[f] = p.rules[s];
+    p.rules[s] = swap;
+    p.onChange?.();
+  };
+
+  const deleteRule = (num: number) => {
+    p.rules.splice(num, 1);
+    p.onChange?.();
+  };
+
+  return (
+    <EditSection title="Rules">
+      {p.rules.map((r, n) => (
+        <NWRuleEdit
+          key={n}
+          rule={r}
+          onDelete={() => {
+            deleteRule(n);
+          }}
+          onGoDown={
+            n < p.rules.length - 1 ? () => swapRules(n, n + 1) : undefined
+          }
+          onGoUp={n > 0 ? () => swapRules(n, n - 1) : undefined}
+          {...p}
+        />
+      ))}
+
+      <div style={{ textAlign: "right" }}>
+        {p.editable && <Button onClick={addRule}>Add a new rule</Button>}
+      </div>
+    </EditSection>
+  );
+}
+
+function NWRuleEdit(p: {
+  editable: boolean;
+  rule: NWFilterRule;
+  onChange?: () => void;
+  onGoUp?: () => void;
+  onGoDown?: () => void;
+  onDelete: () => void;
+}): React.ReactElement {
+  return (
+    <Card style={{ margin: "30px" }} elevation={3}>
+      <CardContent>
+        <div style={{ display: "flex" }}>
+          <SelectInput
+            editable={p.editable}
+            label="Action"
+            value={p.rule.action}
+            onValueChange={(v) => {
+              p.rule.action = v as any;
+              p.onChange?.();
+            }}
+            options={[
+              { label: "drop", value: "drop" },
+              { label: "reject", value: "reject" },
+              { label: "accept", value: "accept" },
+              { label: "return", value: "return" },
+              { label: "continue", value: "continue" },
+            ]}
+          />
+          <span style={{ width: "20px" }}></span>
+          <SelectInput
+            editable={p.editable}
+            label="Direction"
+            value={p.rule.direction}
+            onValueChange={(v) => {
+              p.rule.direction = v as any;
+              p.onChange?.();
+            }}
+            options={[
+              { label: "in", value: "in" },
+              { label: "out", value: "out" },
+              { label: "inout", value: "inout" },
+            ]}
+          />
+          <span style={{ width: "20px" }}></span>
+          <TextInput
+            label="Priority"
+            editable={p.editable}
+            value={p.rule.priority?.toString()}
+            type="number"
+            onValueChange={(v) => {
+              p.rule.priority = v && v !== "" ? Number(v) : undefined;
+              p.onChange?.();
+            }}
+            size={ServerApi.Config.constraints.nwfilter_priority}
+          />
+        </div>
+      </CardContent>
+      <CardActions>
+        {p.editable && (
+          <div style={{ display: "flex", width: "100%" }}>
+            <IconButton color="error" onClick={p.onDelete}>
+              <DeleteIcon />
+            </IconButton>
+            <span style={{ flex: 1 }}></span>
+            {p.onGoUp && (
+              <IconButton onClick={p.onGoUp}>
+                <ArrowUpwardIcon />
+              </IconButton>
+            )}
+            {p.onGoDown && (
+              <IconButton onClick={p.onGoDown}>
+                <ArrowDownwardIcon />
+              </IconButton>
+            )}
+          </div>
+        )}
+      </CardActions>
+    </Card>
+  );
+}
diff --git a/virtweb_frontend/src/widgets/nwfilter/NWFilterDetails.tsx b/virtweb_frontend/src/widgets/nwfilter/NWFilterDetails.tsx
index 09103f4..531b678 100644
--- a/virtweb_frontend/src/widgets/nwfilter/NWFilterDetails.tsx
+++ b/virtweb_frontend/src/widgets/nwfilter/NWFilterDetails.tsx
@@ -17,6 +17,7 @@ import { TextInput } from "../forms/TextInput";
 import { ServerApi } from "../../api/ServerApi";
 import { SelectInput } from "../forms/SelectInput";
 import { NWFSelectReferencedFilters } from "../forms/NWFSelectReferencedFilters";
+import { NWFilterRules } from "../forms/NWFilterRules";
 
 interface DetailsProps {
   nwfilter: NWFilter;
@@ -159,6 +160,18 @@ function NetworkFilterDetailsTabGeneral(
   );
 }
 
+function NetworkFilterDetailsTabRules(
+  p: InnerDetailsProps
+): React.ReactElement {
+  return (
+    <NWFilterRules
+      editable={p.editable}
+      rules={p.nwfilter.rules}
+      onChange={p.onChange}
+    />
+  );
+}
+
 function NetworkFilterDetailsTabXML(p: InnerDetailsProps): React.ReactElement {
   return (
     <XMLAsyncWidget