diff --git a/src/main/java/ru/serega6531/packmate/pcap/AbstractPcapWorker.java b/src/main/java/ru/serega6531/packmate/pcap/AbstractPcapWorker.java
index 7763205..d6a6536 100644
--- a/src/main/java/ru/serega6531/packmate/pcap/AbstractPcapWorker.java
+++ b/src/main/java/ru/serega6531/packmate/pcap/AbstractPcapWorker.java
@@ -37,7 +37,7 @@ public abstract class AbstractPcapWorker implements PcapWorker, PacketListener {
     protected PcapHandle pcap = null;
     protected final ExecutorService loopExecutorService;
 
-    protected String filter = null;
+    protected String filter = "tcp or udp";
 
     // во время работы должен быть != null
     protected ExecutorService processorExecutorService;
diff --git a/src/main/java/ru/serega6531/packmate/service/ServicesService.java b/src/main/java/ru/serega6531/packmate/service/ServicesService.java
index b348162..2d53ea0 100644
--- a/src/main/java/ru/serega6531/packmate/service/ServicesService.java
+++ b/src/main/java/ru/serega6531/packmate/service/ServicesService.java
@@ -3,6 +3,7 @@ package ru.serega6531.packmate.service;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import ru.serega6531.packmate.model.CtfService;
 import ru.serega6531.packmate.model.enums.SubscriptionMessageType;
@@ -32,7 +33,7 @@ public class ServicesService {
     @Autowired
     public ServicesService(ServiceRepository repository,
                            SubscriptionService subscriptionService,
-                           PcapService pcapService,
+                           @Lazy PcapService pcapService,
                            @Value("${local-ip}") String localIpString) throws UnknownHostException {
         this.repository = repository;
         this.subscriptionService = subscriptionService;
@@ -63,9 +64,13 @@ public class ServicesService {
 
     public void deleteByPort(int port) {
         log.info("Removed service at port {}", port);
+
         services.remove(port);
         repository.deleteById(port);
+
         subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.DELETE_SERVICE, port));
+
+        pcapService.updateFilter(findAll());
     }
 
     public CtfService save(CtfService service) {
@@ -73,6 +78,7 @@ public class ServicesService {
 
         final CtfService saved = repository.save(service);
         services.put(saved.getPort(), saved);
+
         subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.SAVE_SERVICE, saved));
 
         pcapService.updateFilter(findAll());