diff --git a/src/cliproxy/remote-proxy-client.ts b/src/cliproxy/remote-proxy-client.ts
index 047ea356..7bc3d3a3 100644
--- a/src/cliproxy/remote-proxy-client.ts
+++ b/src/cliproxy/remote-proxy-client.ts
@@ -48,9 +48,10 @@ const DEFAULT_TIMEOUT_MS = 2000;
 
 /**
  * Get default port for protocol
+ * HTTP defaults to 8317 (CLIProxyAPI default), HTTPS to 443 (standard SSL)
  */
 function getDefaultPort(protocol: 'http' | 'https'): number {
-  return protocol === 'https' ? 443 : 80;
+  return protocol === 'https' ? 443 : 8317;
 }
 
 /**
@@ -139,6 +140,9 @@ function createHttpsAgent(allowSelfSigned: boolean): https.Agent | undefined {
 /**
  * Check health of remote CLIProxyAPI instance
  *
+ * Uses /v1/models endpoint for health check since CLIProxyAPI doesn't expose /health.
+ * This endpoint is always available and returns 200 when the server is operational.
+ *
  * @param config Remote proxy client configuration
  * @returns RemoteProxyStatus with reachability and latency
  */
@@ -157,8 +161,8 @@ export async function checkRemoteProxy(
     };
   }
 
-  // Use smart URL building - omit port if it's the default for the protocol
-  const url = buildProxyUrl(host, port, protocol, '/health');
+  // Use /v1/models as health check - CLIProxyAPI doesn't have /health endpoint
+  const url = buildProxyUrl(host, port, protocol, '/v1/models');
   const startTime = Date.now();
 
   try {
diff --git a/tests/unit/cliproxy/remote-proxy-client.test.ts b/tests/unit/cliproxy/remote-proxy-client.test.ts
index 61022c11..3e7b95c8 100644
--- a/tests/unit/cliproxy/remote-proxy-client.test.ts
+++ b/tests/unit/cliproxy/remote-proxy-client.test.ts
@@ -105,14 +105,15 @@ describe('remote-proxy-client', () => {
   });
 
   describe('health check URL construction', () => {
-    it('should construct correct health check URL pattern', () => {
+    // CLIProxyAPI uses /v1/models for health checks (no /health endpoint)
+    it('should construct correct health check URL pattern using /v1/models', () => {
       const config: RemoteProxyClientConfig = {
         host: '192.168.1.100',
         port: 8317,
         protocol: 'http',
       };
-      const expectedUrl = `${config.protocol}://${config.host}:${config.port}/health`;
-      expect(expectedUrl).toBe('http://192.168.1.100:8317/health');
+      const expectedUrl = `${config.protocol}://${config.host}:${config.port}/v1/models`;
+      expect(expectedUrl).toBe('http://192.168.1.100:8317/v1/models');
     });
 
     it('should construct HTTPS URL when protocol is https', () => {
@@ -121,8 +122,8 @@ describe('remote-proxy-client', () => {
         port: 443,
         protocol: 'https',
       };
-      const expectedUrl = `${config.protocol}://${config.host}:${config.port}/health`;
-      expect(expectedUrl).toBe('https://secure.example.com:443/health');
+      const expectedUrl = `${config.protocol}://${config.host}:${config.port}/v1/models`;
+      expect(expectedUrl).toBe('https://secure.example.com:443/v1/models');
     });
   });
 });
diff --git a/ui/src/pages/settings.tsx b/ui/src/pages/settings.tsx
index 07fdce31..235614e0 100644
--- a/ui/src/pages/settings.tsx
+++ b/ui/src/pages/settings.tsx
@@ -1322,7 +1322,8 @@ function ProxyContent({
   const defaultLocal = { port: 8317, auto_start: true };
 
   // Helper to get default port based on protocol
-  const getDefaultPort = (protocol: 'http' | 'https') => (protocol === 'https' ? 443 : 80);
+  // HTTP defaults to 8317 (CLIProxyAPI default), HTTPS to 443 (standard SSL)
+  const getDefaultPort = (protocol: 'http' | 'https') => (protocol === 'https' ? 443 : 8317);
 
   // Sync local state with config (using refs to avoid lint warnings)
   const hostInput = config?.remote.host ?? '';
@@ -1650,42 +1651,44 @@ function ProxyContent({
             </div>
           </div>
 
-          {/* Local Proxy Settings */}
-          <div className="space-y-3">
-            <h3 className="text-base font-medium">Local Proxy</h3>
-            <div className="space-y-3 p-4 rounded-lg border bg-muted/30">
-              {/* Port */}
-              <div className="space-y-1">
-                <label className="text-sm text-muted-foreground">Port</label>
-                <Input
-                  type="number"
-                  value={displayLocalPort}
-                  onChange={(e) => setEditedLocalPort(e.target.value)}
-                  onBlur={saveLocalPort}
-                  placeholder="8317"
-                  className="font-mono max-w-32"
-                  disabled={saving}
-                />
-              </div>
+          {/* Local Proxy Settings - Only show in Local mode */}
+          {!isRemoteMode && (
+            <div className="space-y-3">
+              <h3 className="text-base font-medium">Local Proxy</h3>
+              <div className="space-y-3 p-4 rounded-lg border bg-muted/30">
+                {/* Port */}
+                <div className="space-y-1">
+                  <label className="text-sm text-muted-foreground">Port</label>
+                  <Input
+                    type="number"
+                    value={displayLocalPort}
+                    onChange={(e) => setEditedLocalPort(e.target.value)}
+                    onBlur={saveLocalPort}
+                    placeholder="8317"
+                    className="font-mono max-w-32"
+                    disabled={saving}
+                  />
+                </div>
 
-              {/* Auto-start */}
-              <div className="flex items-center justify-between">
-                <div>
-                  <p className="font-medium text-sm">Auto-start</p>
-                  <p className="text-xs text-muted-foreground">
-                    Start local proxy automatically when needed
-                  </p>
+                {/* Auto-start */}
+                <div className="flex items-center justify-between">
+                  <div>
+                    <p className="font-medium text-sm">Auto-start</p>
+                    <p className="text-xs text-muted-foreground">
+                      Start local proxy automatically when needed
+                    </p>
+                  </div>
+                  <Switch
+                    checked={config?.local.auto_start ?? true}
+                    onCheckedChange={(checked) =>
+                      saveCliproxyServerConfig({ local: { ...localConfig, auto_start: checked } })
+                    }
+                    disabled={saving}
+                  />
                 </div>
-                <Switch
-                  checked={config?.local.auto_start ?? true}
-                  onCheckedChange={(checked) =>
-                    saveCliproxyServerConfig({ local: { ...localConfig, auto_start: checked } })
-                  }
-                  disabled={saving}
-                />
               </div>
             </div>
-          </div>
+          )}
         </div>
       </ScrollArea>