diff --git a/@overflow/noauth-probe/component/noauth-probe-list.component.ts b/@overflow/noauth-probe/component/noauth-probe-list.component.ts
index 1e11343..b2939f7 100644
--- a/@overflow/noauth-probe/component/noauth-probe-list.component.ts
+++ b/@overflow/noauth-probe/component/noauth-probe-list.component.ts
@@ -30,6 +30,7 @@ export class NoAuthProbeListComponent implements OnInit, OnDestroy {
     private noAuthProbeSubscriber: NoAuthProbeSubscriber,
   ) {
     this.noauthProbes = [];
+    this.noauthProbeSubscription = null;
   }
 
   ngOnInit() {
@@ -75,7 +76,9 @@ export class NoAuthProbeListComponent implements OnInit, OnDestroy {
   }
 
   ngOnDestroy(): void {
-    this.noauthProbeSubscription.unsubscribe();
+    if (null !== this.noauthProbeSubscription) {
+      this.noauthProbeSubscription.unsubscribe();
+    }
   }
 
   onAcceptOrDeny(isAccept: boolean, selected: NoAuthProbe) {
diff --git a/@overflow/probe/component/probe-list.component.html b/@overflow/probe/component/probe-list.component.html
index a3a28c1..2bef1a7 100644
--- a/@overflow/probe/component/probe-list.component.html
+++ b/@overflow/probe/component/probe-list.component.html
@@ -3,7 +3,7 @@
 <of-block-progressbar [target]="content" [pending]="pending$ | async"></of-block-progressbar>
 
 <p-panel #content [showHeader]="false" class="block-panel">
-  <p-table [value]="probeHosts$ | async" selectionMode="single" (onRowSelect)="onProbeSelect($event)" [resizableColumns]="true">
+  <p-table [value]="probeHosts" selectionMode="single" (onRowSelect)="onProbeSelect($event)" [resizableColumns]="true">
     <ng-template pTemplate="header">
       <tr>
         <th>Probe Name</th>
diff --git a/@overflow/probe/component/probe-list.component.ts b/@overflow/probe/component/probe-list.component.ts
index 5f7f800..9b4ed39 100644
--- a/@overflow/probe/component/probe-list.component.ts
+++ b/@overflow/probe/component/probe-list.component.ts
@@ -1,7 +1,7 @@
-import { Component, OnInit, Output, EventEmitter, Input } from '@angular/core';
+import { Component, OnInit, Output, EventEmitter, Input, OnDestroy } from '@angular/core';
 import { Store, select } from '@ngrx/store';
 
-import { Observable, of } from 'rxjs';
+import { Observable, Subscription, of } from 'rxjs';
 import { catchError, exhaustMap, map, tap, take } from 'rxjs/operators';
 
 import { AuthSelector } from '@overflow/shared/auth/store';
@@ -9,22 +9,27 @@ import { DomainMember } from '@overflow/commons-typescript/model/domain';
 import { ProbeHost, Probe } from '@overflow/commons-typescript/model/probe';
 
 import { ProbeHostService } from '../service/probe-host.service';
+import { ProbeSubscriber, ProbeNotify } from '../subscriber/probe.subscriber';
 
 @Component({
   selector: 'of-probe-list',
   templateUrl: './probe-list.component.html',
 })
-export class ProbeListComponent implements OnInit {
+export class ProbeListComponent implements OnInit, OnDestroy {
+  @Output() select = new EventEmitter<ProbeHost>();
 
-  probeHosts$: Observable<ProbeHost[]>;
+  probeHosts: ProbeHost[];
   pending$: Observable<boolean>;
   error$: Observable<any>;
-  @Output() select = new EventEmitter<ProbeHost>();
+
+  probeSubscription: Subscription;
 
   constructor(
     private store: Store<any>,
     private probeHostService: ProbeHostService,
+    private probeSubscriber: ProbeSubscriber,
   ) {
+    this.probeSubscription = null;
   }
 
   ngOnInit(): void {
@@ -34,10 +39,10 @@ export class ProbeListComponent implements OnInit {
       }),
       select(AuthSelector.selectDomainMember),
       exhaustMap((domainMember: DomainMember) =>
-        this.probeHostService.readAllByDomainID(domainMember.domain.id)
+      this.probeHostService.readAllByDomainID(domainMember.domain.id)
           .pipe(
             map((probeHosts: ProbeHost[]) => {
-              this.probeHosts$ = of(probeHosts);
+              this.probeHosts = probeHosts;
             }),
             catchError(error => {
               this.error$ = of(error);
@@ -50,6 +55,28 @@ export class ProbeListComponent implements OnInit {
       }),
       take(1),
     ).subscribe();
+
+    this.probeSubscription = this.probeSubscriber.observable().pipe(
+      tap((probeNotify: ProbeNotify) => {
+        const probeHosts = [];
+        this.probeHosts.forEach(probeHost => {
+          const n = probeNotify.params;
+          if (probeHost.probe.id === n.id) {
+            probeHost.probe = n;
+          }
+          probeHosts.push(probeHost);
+        });
+
+        this.probeHosts = probeHosts;
+      }
+      ),
+    ).subscribe();
+  }
+
+  ngOnDestroy(): void {
+    if (null !== this.probeSubscription) {
+      this.probeSubscription.unsubscribe();
+    }
   }
 
   onProbeSelect(event) {
@@ -60,7 +87,8 @@ export class ProbeListComponent implements OnInit {
     // if (!probe.connectDate) {
     //   return 'Not Connected.';
     // }
-    // const hours = Math.abs(new Date().getTime() - probe.connectDate.getTime());
+    // const connectDate = new Date(probe.connectDate);
+    // const hours = Math.abs(new Date().getTime() - connectDate.getTime());
     // return this.convertUptimeString(hours);
   }
 
diff --git a/@overflow/probe/probe-logger.module.ts b/@overflow/probe/probe-logger.module.ts
new file mode 100644
index 0000000..56c3dac
--- /dev/null
+++ b/@overflow/probe/probe-logger.module.ts
@@ -0,0 +1,10 @@
+import { NgModule } from '@angular/core';
+import { LoggerModule } from '@loafer/ng-logger';
+
+
+@NgModule({
+  imports: [
+    LoggerModule.forFeature({}),
+  ],
+})
+export class ProbeLoggerModule { }
diff --git a/@overflow/probe/probe-rpc.module.ts b/@overflow/probe/probe-rpc.module.ts
new file mode 100644
index 0000000..7a35671
--- /dev/null
+++ b/@overflow/probe/probe-rpc.module.ts
@@ -0,0 +1,13 @@
+import { NgModule } from '@angular/core';
+import { RPCModule } from '@loafer/ng-rpc';
+
+import {
+  SUBSCRIBERS,
+} from './subscriber';
+
+@NgModule({
+  imports: [
+    RPCModule.forFeature(SUBSCRIBERS),
+  ],
+})
+export class ProbeRPCModule { }
diff --git a/@overflow/probe/probe.module.ts b/@overflow/probe/probe.module.ts
index f69abb2..ebaf85b 100644
--- a/@overflow/probe/probe.module.ts
+++ b/@overflow/probe/probe.module.ts
@@ -4,6 +4,10 @@ import { CommonModule } from '@angular/common';
 import { COMPONENTS } from './component';
 import { SERVICES } from './service';
 import { FormsModule } from '@angular/forms';
+
+import { ProbeRPCModule } from './probe-rpc.module';
+import { ProbeLoggerModule } from './probe-logger.module';
+
 import { MetaModule } from '@overflow/meta/meta.module';
 // import { InfraModule } from '@overflow/infra/infra.module';
 import { UIModule } from '@overflow/shared/ui/ui.module';
@@ -15,6 +19,8 @@ import { UIModule } from '@overflow/shared/ui/ui.module';
     UIModule,
     MetaModule,
     // InfraModule,
+    ProbeRPCModule,
+    ProbeLoggerModule,
   ],
   declarations: [
     COMPONENTS,
diff --git a/@overflow/probe/subscriber/index.ts b/@overflow/probe/subscriber/index.ts
new file mode 100644
index 0000000..b1a7cd2
--- /dev/null
+++ b/@overflow/probe/subscriber/index.ts
@@ -0,0 +1,5 @@
+import { ProbeSubscriber } from './probe.subscriber';
+
+export const SUBSCRIBERS = [
+  ProbeSubscriber,
+];
diff --git a/@overflow/probe/subscriber/probe.subscriber.ts b/@overflow/probe/subscriber/probe.subscriber.ts
new file mode 100644
index 0000000..44f580a
--- /dev/null
+++ b/@overflow/probe/subscriber/probe.subscriber.ts
@@ -0,0 +1,53 @@
+import { Injectable } from '@angular/core';
+
+import { Observable, Subject } from 'rxjs';
+
+import { RPCSubscriber } from '@loafer/ng-rpc';
+import { LoggerService } from '@loafer/ng-logger';
+
+import { Probe } from '@overflow/commons-typescript/model/probe';
+
+export interface ProbeNotify {
+  method: string;
+  params: Probe;
+}
+
+export class ProbeSubscriberSubject extends Subject<ProbeNotify> {
+
+}
+
+@Injectable()
+export class ProbeSubscriber {
+  private probeSubscriberSubject: ProbeSubscriberSubject;
+
+  public constructor(
+    private loggerService: LoggerService,
+  ) {
+    this.probeSubscriberSubject = null;
+  }
+
+  public observable(): Observable<ProbeNotify> {
+    if (null === this.probeSubscriberSubject) {
+      this.probeSubscriberSubject = new ProbeSubscriberSubject();
+    }
+    return this.probeSubscriberSubject.asObservable();
+  }
+
+  private publish(method: string, params: any): void {
+    this.probeSubscriberSubject.next({ method: method, params: params });
+  }
+
+  @RPCSubscriber({method: 'ProbeService.onConnect'})
+  public onConnect(probe: Probe): void {
+    this.loggerService.debug('ProbeService.onConnect probe:', probe);
+
+    this.publish('ProbeService.onConnect', probe);
+  }
+
+  @RPCSubscriber({method: 'ProbeService.onDisconnect'})
+  public onDisconnect(probe: Probe): void {
+    this.loggerService.debug('ProbeService.onDisconnect noAuthProbe:', probe);
+
+    this.publish('ProbeService.onDisconnect', probe);
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index e2090b6..fbb7c37 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -409,9 +409,9 @@
       }
     },
     "@loafer/ng-rpc": {
-      "version": "0.0.2",
-      "resolved": "https://nexus.loafle.net/repository/npm-all/@loafer/ng-rpc/-/ng-rpc-0.0.2.tgz",
-      "integrity": "sha512-UkCljxw+1DXfug2bLyDoJpUvQCNmtBsx01KO4leBY7zk/afLE69Qq3ZFG2k7VbK0ZIIeBfJLGa4NUX/21J2RqQ==",
+      "version": "0.0.3",
+      "resolved": "https://nexus.loafle.net/repository/npm-all/@loafer/ng-rpc/-/ng-rpc-0.0.3.tgz",
+      "integrity": "sha512-OOr1KtD3hPrTzbrJWFDGVpBECEZpQaOGvM8kmbRMaZGxFOaku34TDTo5w22e5tF+MC4wd2Rec5roSY0g3Cj4JQ==",
       "requires": {
         "tslib": "^1.9.0"
       }
@@ -3763,23 +3763,21 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.6"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
           }
         },
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
         },
@@ -3792,20 +3790,17 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3846,7 +3841,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minipass": "2.2.4"
+            "minipass": "^2.2.1"
           }
         },
         "fs.realpath": {
@@ -3861,14 +3856,14 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "aproba": "1.2.0",
-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.2",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.2"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wide-align": "^1.1.0"
           }
         },
         "glob": {
@@ -3877,12 +3872,12 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
         "has-unicode": {
@@ -3897,7 +3892,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safer-buffer": "2.1.2"
+            "safer-buffer": "^2.1.0"
           }
         },
         "ignore-walk": {
@@ -3906,7 +3901,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minimatch": "3.0.4"
+            "minimatch": "^3.0.4"
           }
         },
         "inflight": {
@@ -3915,15 +3910,14 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
         },
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3935,9 +3929,8 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "isarray": {
@@ -3950,25 +3943,22 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
-            "brace-expansion": "1.1.11"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "safe-buffer": "^5.1.1",
+            "yallist": "^3.0.0"
           }
         },
         "minizlib": {
@@ -3977,14 +3967,13 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minipass": "2.2.4"
+            "minipass": "^2.2.1"
           }
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4001,9 +3990,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "debug": "2.6.9",
-            "iconv-lite": "0.4.21",
-            "sax": "1.2.4"
+            "debug": "^2.1.2",
+            "iconv-lite": "^0.4.4",
+            "sax": "^1.2.4"
           }
         },
         "node-pre-gyp": {
@@ -4012,16 +4001,16 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "detect-libc": "1.0.3",
-            "mkdirp": "0.5.1",
-            "needle": "2.2.0",
-            "nopt": "4.0.1",
-            "npm-packlist": "1.1.10",
-            "npmlog": "4.1.2",
-            "rc": "1.2.7",
-            "rimraf": "2.6.2",
-            "semver": "5.5.0",
-            "tar": "4.4.1"
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.0",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.1.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4"
           }
         },
         "nopt": {
@@ -4030,8 +4019,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
         "npm-bundled": {
@@ -4046,8 +4035,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "ignore-walk": "3.0.1",
-            "npm-bundled": "1.0.3"
+            "ignore-walk": "^3.0.1",
+            "npm-bundled": "^1.0.1"
           }
         },
         "npmlog": {
@@ -4056,17 +4045,16 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "are-we-there-yet": "1.1.4",
-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
           }
         },
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4078,9 +4066,8 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "os-homedir": {
@@ -4101,8 +4088,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
+            "os-tmpdir": "^1.0.0"
           }
         },
         "path-is-absolute": {
@@ -4123,10 +4110,10 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "deep-extend": "0.5.1",
-            "ini": "1.3.5",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "^0.5.1",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
+            "strip-json-comments": "~2.0.1"
           },
           "dependencies": {
             "minimist": {
@@ -4143,13 +4130,13 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
-            "string_decoder": "1.1.1",
-            "util-deprecate": "1.0.2"
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
           }
         },
         "rimraf": {
@@ -4158,7 +4145,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "glob": "7.1.2"
+            "glob": "^7.0.5"
           }
         },
         "safe-buffer": {
@@ -4200,11 +4187,10 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         },
         "string_decoder": {
@@ -4213,7 +4199,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safe-buffer": "5.1.1"
+            "safe-buffer": "~5.1.0"
           }
         },
         "strip-ansi": {
@@ -4221,7 +4207,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "2.1.1"
+            "ansi-regex": "^2.0.0"
           }
         },
         "strip-json-comments": {
@@ -4236,13 +4222,13 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "chownr": "1.0.1",
-            "fs-minipass": "1.2.5",
-            "minipass": "2.2.4",
-            "minizlib": "1.1.0",
-            "mkdirp": "0.5.1",
-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "chownr": "^1.0.1",
+            "fs-minipass": "^1.2.5",
+            "minipass": "^2.2.4",
+            "minizlib": "^1.1.0",
+            "mkdirp": "^0.5.0",
+            "safe-buffer": "^5.1.1",
+            "yallist": "^3.0.2"
           }
         },
         "util-deprecate": {
@@ -4257,7 +4243,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "string-width": "1.0.2"
+            "string-width": "^1.0.2"
           }
         },
         "wrappy": {
diff --git a/package.json b/package.json
index 54d4df5..f34fd7d 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@loafer/ng-entity": "^0.0.2",
     "@loafer/ng-logger": "^0.0.1",
     "@loafer/ng-rest": "^0.0.1",
-    "@loafer/ng-rpc": "^0.0.2",
+    "@loafer/ng-rpc": "^0.0.3",
     "@ngrx/core": "^1.2.0",
     "@ngrx/effects": "^5.2.0",
     "@ngrx/router-store": "^5.2.0",