diff --git a/build.gradle b/build.gradle
index 57e79ba..3a167dd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,6 +35,7 @@ dependencies {
     compile group: 'org.java-websocket', name: 'Java-WebSocket', version: '1.5.1'
     compile group: 'org.bouncycastle', name: 'bcprov-jdk15on', version: '1.65'
     compile group: 'org.bouncycastle', name: 'bctls-jdk15on', version: '1.65'
+    compile group: 'org.modelmapper', name: 'modelmapper', version: '2.3.0'
     compileOnly 'org.projectlombok:lombok'
     runtimeOnly 'org.springframework.boot:spring-boot-devtools'
     runtimeOnly 'org.postgresql:postgresql'
diff --git a/src/main/java/ru/serega6531/packmate/controller/PacketController.java b/src/main/java/ru/serega6531/packmate/controller/PacketController.java
index 84b353d..4d9db1b 100644
--- a/src/main/java/ru/serega6531/packmate/controller/PacketController.java
+++ b/src/main/java/ru/serega6531/packmate/controller/PacketController.java
@@ -5,13 +5,14 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
-import ru.serega6531.packmate.model.Packet;
 import ru.serega6531.packmate.model.Stream;
+import ru.serega6531.packmate.model.pojo.PacketDto;
 import ru.serega6531.packmate.service.StreamService;
 
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/api/packet/")
@@ -25,10 +26,12 @@ public class PacketController {
     }
 
     @PostMapping("/{streamId}")
-    public List<Packet> getPacketsForStream(@PathVariable long streamId) {
+    public List<PacketDto> getPacketsForStream(@PathVariable long streamId) {
         final Optional<Stream> stream = streamService.find(streamId);
         if (stream.isPresent()) {
-            return stream.get().getPackets();
+            return stream.get().getPackets().stream()
+                    .map(streamService::packetToDto)
+                    .collect(Collectors.toList());
         } else {
             return Collections.emptyList();
         }
diff --git a/src/main/java/ru/serega6531/packmate/controller/PatternController.java b/src/main/java/ru/serega6531/packmate/controller/PatternController.java
index 143ab1e..335b55f 100644
--- a/src/main/java/ru/serega6531/packmate/controller/PatternController.java
+++ b/src/main/java/ru/serega6531/packmate/controller/PatternController.java
@@ -3,9 +3,11 @@ package ru.serega6531.packmate.controller;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import ru.serega6531.packmate.model.Pattern;
+import ru.serega6531.packmate.model.pojo.PatternDto;
 import ru.serega6531.packmate.service.PatternService;
 
-import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/api/pattern/")
@@ -19,8 +21,10 @@ public class PatternController {
     }
 
     @GetMapping
-    public Collection<Pattern> getPatterns() {
-        return service.findAll();
+    public List<PatternDto> getPatterns() {
+        return service.findAll()
+                .stream().map(service::toDto)
+                .collect(Collectors.toList());
     }
 
     @PostMapping("/{id}")
@@ -29,9 +33,11 @@ public class PatternController {
     }
 
     @PostMapping
-    public Pattern addPattern(@RequestBody Pattern pattern) {
-        pattern.setEnabled(true);
-        return service.save(pattern);
+    public PatternDto addPattern(@RequestBody PatternDto dto) {
+        dto.setEnabled(true);
+        Pattern pattern = service.fromDto(dto);
+        Pattern saved = service.save(pattern);
+        return service.toDto(saved);
     }
 
 }
diff --git a/src/main/java/ru/serega6531/packmate/controller/ServiceController.java b/src/main/java/ru/serega6531/packmate/controller/ServiceController.java
index e27f54e..b317c6b 100644
--- a/src/main/java/ru/serega6531/packmate/controller/ServiceController.java
+++ b/src/main/java/ru/serega6531/packmate/controller/ServiceController.java
@@ -3,9 +3,11 @@ package ru.serega6531.packmate.controller;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import ru.serega6531.packmate.model.CtfService;
+import ru.serega6531.packmate.model.pojo.ServiceDto;
 import ru.serega6531.packmate.service.ServicesService;
 
-import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/api/service/")
@@ -19,8 +21,10 @@ public class ServiceController {
     }
 
     @GetMapping
-    public Collection<CtfService> getServices() {
-        return service.findAll();
+    public List<ServiceDto> getServices() {
+        return service.findAll().stream()
+                .map(service::toDto)
+                .collect(Collectors.toList());
     }
 
     @DeleteMapping("/{port}")
@@ -29,8 +33,9 @@ public class ServiceController {
     }
 
     @PostMapping
-    public CtfService addService(@RequestBody CtfService ctfService) {
-        return service.save(ctfService);
+    public CtfService addService(@RequestBody ServiceDto dto) {
+        CtfService newService = this.service.fromDto(dto);
+        return this.service.save(newService);
     }
 
 }
diff --git a/src/main/java/ru/serega6531/packmate/controller/StreamController.java b/src/main/java/ru/serega6531/packmate/controller/StreamController.java
index 6f50ef7..e8697b8 100644
--- a/src/main/java/ru/serega6531/packmate/controller/StreamController.java
+++ b/src/main/java/ru/serega6531/packmate/controller/StreamController.java
@@ -2,42 +2,47 @@ package ru.serega6531.packmate.controller;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
-import ru.serega6531.packmate.model.Stream;
 import ru.serega6531.packmate.model.pojo.Pagination;
+import ru.serega6531.packmate.model.pojo.StreamDto;
 import ru.serega6531.packmate.service.StreamService;
 
 import java.util.List;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/api/stream/")
 public class StreamController {
 
-    private final StreamService streamService;
+    private final StreamService service;
 
     @Autowired
-    public StreamController(StreamService streamService) {
-        this.streamService = streamService;
+    public StreamController(StreamService service) {
+        this.service = service;
     }
 
     @PostMapping("/all")
-    public List<Stream> getStreams(@RequestBody Pagination pagination) {
-        return streamService.findAll(pagination, Optional.empty(), pagination.isFavorites());
+    public List<StreamDto> getStreams(@RequestBody Pagination pagination) {
+        return service.findAll(pagination, Optional.empty(), pagination.isFavorites()).stream()
+                .map(service::streamToDto)
+                .collect(Collectors.toList());
     }
 
     @PostMapping("/{port}")
-    public List<Stream> getStreams(@PathVariable int port, @RequestBody Pagination pagination) {
-        return streamService.findAll(pagination, Optional.of(port), pagination.isFavorites());
+    public List<StreamDto> getStreams(@PathVariable int port, @RequestBody Pagination pagination) {
+        return service.findAll(pagination, Optional.of(port), pagination.isFavorites()).stream()
+                .map(service::streamToDto)
+                .collect(Collectors.toList());
     }
 
     @PostMapping("/{id}/favorite")
     public void favoriteStream(@PathVariable long id) {
-        streamService.setFavorite(id, true);
+        service.setFavorite(id, true);
     }
 
     @PostMapping("/{id}/unfavorite")
     public void unfavoriteStream(@PathVariable long id) {
-        streamService.setFavorite(id, false);
+        service.setFavorite(id, false);
     }
 
 }
diff --git a/src/main/java/ru/serega6531/packmate/model/FoundPattern.java b/src/main/java/ru/serega6531/packmate/model/FoundPattern.java
index 1d33786..1c76e9a 100644
--- a/src/main/java/ru/serega6531/packmate/model/FoundPattern.java
+++ b/src/main/java/ru/serega6531/packmate/model/FoundPattern.java
@@ -1,6 +1,5 @@
 package ru.serega6531.packmate.model;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.*;
 import org.hibernate.annotations.GenericGenerator;
 
@@ -28,10 +27,12 @@ public class FoundPattern {
 
     @Id
     @GeneratedValue(generator = "found_pattern_generator")
-    @JsonIgnore
     private int id;
+
     private int patternId;
+
     private int startPosition;
+
     private int endPosition;
 
 }
diff --git a/src/main/java/ru/serega6531/packmate/model/Packet.java b/src/main/java/ru/serega6531/packmate/model/Packet.java
index e1690da..f8fe5a2 100644
--- a/src/main/java/ru/serega6531/packmate/model/Packet.java
+++ b/src/main/java/ru/serega6531/packmate/model/Packet.java
@@ -1,6 +1,5 @@
 package ru.serega6531.packmate.model;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -32,16 +31,13 @@ public class Packet {
     private Long id;
 
     @Transient
-    @JsonIgnore
     private Long tempId;
 
     @Transient
-    @JsonIgnore
     private byte ttl;
 
     @ManyToOne
     @JoinColumn(name = "stream_id", nullable = false)
-    @JsonIgnore
     private Stream stream;
 
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
@@ -60,7 +56,6 @@ public class Packet {
     private byte[] content;
 
     @Transient
-    @JsonIgnore
     public String getContentString() {
         return new String(content);
     }
diff --git a/src/main/java/ru/serega6531/packmate/model/Pattern.java b/src/main/java/ru/serega6531/packmate/model/Pattern.java
index 80f10f6..e417ba5 100644
--- a/src/main/java/ru/serega6531/packmate/model/Pattern.java
+++ b/src/main/java/ru/serega6531/packmate/model/Pattern.java
@@ -1,6 +1,5 @@
 package ru.serega6531.packmate.model;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
 import lombok.ToString;
 import org.hibernate.annotations.GenericGenerator;
@@ -41,7 +40,6 @@ public class Pattern {
     private PatternDirectionType directionType;
 
     @ManyToMany(mappedBy = "foundPatterns", fetch = FetchType.LAZY)
-    @JsonIgnore
     private List<Stream> matchedStreams;
 
 }
diff --git a/src/main/java/ru/serega6531/packmate/model/Stream.java b/src/main/java/ru/serega6531/packmate/model/Stream.java
index 3023d2f..6df12e6 100644
--- a/src/main/java/ru/serega6531/packmate/model/Stream.java
+++ b/src/main/java/ru/serega6531/packmate/model/Stream.java
@@ -1,6 +1,5 @@
 package ru.serega6531.packmate.model;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
 import lombok.ToString;
 import org.hibernate.annotations.GenericGenerator;
@@ -34,7 +33,6 @@ public class Stream {
     private Protocol protocol;
 
     @OneToMany(mappedBy = "stream", cascade = CascadeType.ALL)
-    @JsonIgnore
     @OrderBy("id")
     private List<Packet> packets;
 
diff --git a/src/main/java/ru/serega6531/packmate/model/pojo/FoundPatternDto.java b/src/main/java/ru/serega6531/packmate/model/pojo/FoundPatternDto.java
new file mode 100644
index 0000000..51ac15a
--- /dev/null
+++ b/src/main/java/ru/serega6531/packmate/model/pojo/FoundPatternDto.java
@@ -0,0 +1,12 @@
+package ru.serega6531.packmate.model.pojo;
+
+import lombok.Data;
+
+@Data
+public class FoundPatternDto {
+
+    private int patternId;
+    private int startPosition;
+    private int endPosition;
+
+}
diff --git a/src/main/java/ru/serega6531/packmate/model/pojo/PacketDto.java b/src/main/java/ru/serega6531/packmate/model/pojo/PacketDto.java
new file mode 100644
index 0000000..b276786
--- /dev/null
+++ b/src/main/java/ru/serega6531/packmate/model/pojo/PacketDto.java
@@ -0,0 +1,19 @@
+package ru.serega6531.packmate.model.pojo;
+
+import lombok.Data;
+
+import java.util.Set;
+
+@Data
+public class PacketDto {
+
+    private Long id;
+    private Set<FoundPatternDto> matches;
+    private long timestamp;
+    private boolean incoming;
+    private boolean ungzipped;
+    private boolean webSocketParsed;
+    private boolean tlsDecrypted;
+    private byte[] content;
+
+}
diff --git a/src/main/java/ru/serega6531/packmate/model/pojo/PatternDto.java b/src/main/java/ru/serega6531/packmate/model/pojo/PatternDto.java
new file mode 100644
index 0000000..b37a933
--- /dev/null
+++ b/src/main/java/ru/serega6531/packmate/model/pojo/PatternDto.java
@@ -0,0 +1,18 @@
+package ru.serega6531.packmate.model.pojo;
+
+import lombok.Data;
+import ru.serega6531.packmate.model.enums.PatternDirectionType;
+import ru.serega6531.packmate.model.enums.PatternSearchType;
+
+@Data
+public class PatternDto {
+
+    private int id;
+    private boolean enabled;
+    private String name;
+    private String value;
+    private String color;  // для вставки в css
+    private PatternSearchType searchType;
+    private PatternDirectionType directionType;
+
+}
diff --git a/src/main/java/ru/serega6531/packmate/model/pojo/ServiceDto.java b/src/main/java/ru/serega6531/packmate/model/pojo/ServiceDto.java
new file mode 100644
index 0000000..0955ecd
--- /dev/null
+++ b/src/main/java/ru/serega6531/packmate/model/pojo/ServiceDto.java
@@ -0,0 +1,17 @@
+package ru.serega6531.packmate.model.pojo;
+
+import lombok.Data;
+
+@Data
+public class ServiceDto {
+
+    private int port;
+    private String name;
+    private boolean decryptTls;
+    private boolean processChunkedEncoding;
+    private boolean ungzipHttp;
+    private boolean urldecodeHttpRequests;
+    private boolean mergeAdjacentPackets;
+    private boolean parseWebSockets;
+
+}
diff --git a/src/main/java/ru/serega6531/packmate/model/pojo/StreamDto.java b/src/main/java/ru/serega6531/packmate/model/pojo/StreamDto.java
new file mode 100644
index 0000000..74e4a52
--- /dev/null
+++ b/src/main/java/ru/serega6531/packmate/model/pojo/StreamDto.java
@@ -0,0 +1,21 @@
+package ru.serega6531.packmate.model.pojo;
+
+import lombok.Data;
+import ru.serega6531.packmate.model.enums.Protocol;
+
+import java.util.Set;
+
+@Data
+public class StreamDto {
+
+    private Long id;
+    private int service;
+    private Protocol protocol;
+    private long startTimestamp;
+    private long endTimestamp;
+    private Set<PatternDto> foundPatterns;
+    private boolean favorite;
+    private byte ttl;
+    private String userAgentHash;
+
+}
diff --git a/src/main/java/ru/serega6531/packmate/service/PatternService.java b/src/main/java/ru/serega6531/packmate/service/PatternService.java
index b6c719d..bb702e7 100644
--- a/src/main/java/ru/serega6531/packmate/service/PatternService.java
+++ b/src/main/java/ru/serega6531/packmate/service/PatternService.java
@@ -1,6 +1,7 @@
 package ru.serega6531.packmate.service;
 
 import lombok.extern.slf4j.Slf4j;
+import org.modelmapper.ModelMapper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import ru.serega6531.packmate.model.FoundPattern;
@@ -8,6 +9,7 @@ import ru.serega6531.packmate.model.Pattern;
 import ru.serega6531.packmate.model.enums.PatternDirectionType;
 import ru.serega6531.packmate.model.enums.PatternSearchType;
 import ru.serega6531.packmate.model.enums.SubscriptionMessageType;
+import ru.serega6531.packmate.model.pojo.PatternDto;
 import ru.serega6531.packmate.model.pojo.SubscriptionMessage;
 import ru.serega6531.packmate.repository.PatternRepository;
 
@@ -23,6 +25,7 @@ public class PatternService {
     private final SubscriptionService subscriptionService;
 
     private final Map<Integer, Pattern> patterns = new HashMap<>();
+    private final ModelMapper modelMapper = new ModelMapper();
 
     @Autowired
     public PatternService(PatternRepository repository,
@@ -80,8 +83,16 @@ public class PatternService {
         final Pattern saved = repository.save(pattern);
         patterns.put(saved.getId(), saved);
         log.info("Added new pattern '{}' with value '{}'", pattern.getName(), pattern.getValue());
-        subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.SAVE_PATTERN, saved));
+        subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.SAVE_PATTERN, toDto(saved)));
         return saved;
     }
 
+    public Pattern fromDto(PatternDto dto) {
+        return modelMapper.map(dto, Pattern.class);
+    }
+
+    public PatternDto toDto(Pattern pattern) {
+        return modelMapper.map(pattern, PatternDto.class);
+    }
+
 }
diff --git a/src/main/java/ru/serega6531/packmate/service/ServicesService.java b/src/main/java/ru/serega6531/packmate/service/ServicesService.java
index 2d53ea0..075e056 100644
--- a/src/main/java/ru/serega6531/packmate/service/ServicesService.java
+++ b/src/main/java/ru/serega6531/packmate/service/ServicesService.java
@@ -1,12 +1,14 @@
 package ru.serega6531.packmate.service;
 
 import lombok.extern.slf4j.Slf4j;
+import org.modelmapper.ModelMapper;
 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;
+import ru.serega6531.packmate.model.pojo.ServiceDto;
 import ru.serega6531.packmate.model.pojo.SubscriptionMessage;
 import ru.serega6531.packmate.repository.ServiceRepository;
 
@@ -29,6 +31,7 @@ public class ServicesService {
     private final InetAddress localIp;
 
     private final Map<Integer, CtfService> services = new HashMap<>();
+    private final ModelMapper modelMapper = new ModelMapper();
 
     @Autowired
     public ServicesService(ServiceRepository repository,
@@ -44,6 +47,10 @@ public class ServicesService {
         log.info("Loaded {} services", services.size());
     }
 
+    public CtfService find(int id) {
+        return services.get(id);
+    }
+
     public Optional<CtfService> findService(Inet4Address firstIp, int firstPort, Inet4Address secondIp, int secondPort) {
         if (firstIp.equals(localIp)) {
             return findByPort(firstPort);
@@ -79,11 +86,19 @@ public class ServicesService {
         final CtfService saved = repository.save(service);
         services.put(saved.getPort(), saved);
 
-        subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.SAVE_SERVICE, saved));
+        subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.SAVE_SERVICE, toDto(saved)));
 
         pcapService.updateFilter(findAll());
 
         return saved;
     }
 
+    public ServiceDto toDto(CtfService service) {
+        return modelMapper.map(service, ServiceDto.class);
+    }
+
+    public CtfService fromDto(ServiceDto dto) {
+        return modelMapper.map(dto, CtfService.class);
+    }
+
 }
diff --git a/src/main/java/ru/serega6531/packmate/service/StreamService.java b/src/main/java/ru/serega6531/packmate/service/StreamService.java
index 9e8a77f..b59121d 100644
--- a/src/main/java/ru/serega6531/packmate/service/StreamService.java
+++ b/src/main/java/ru/serega6531/packmate/service/StreamService.java
@@ -1,6 +1,7 @@
 package ru.serega6531.packmate.service;
 
 import lombok.extern.slf4j.Slf4j;
+import org.modelmapper.ModelMapper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.domain.PageRequest;
@@ -11,9 +12,7 @@ import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;
 import ru.serega6531.packmate.model.*;
 import ru.serega6531.packmate.model.enums.SubscriptionMessageType;
-import ru.serega6531.packmate.model.pojo.Pagination;
-import ru.serega6531.packmate.model.pojo.SubscriptionMessage;
-import ru.serega6531.packmate.model.pojo.UnfinishedStream;
+import ru.serega6531.packmate.model.pojo.*;
 import ru.serega6531.packmate.repository.StreamRepository;
 import ru.serega6531.packmate.service.optimization.RsaKeysHolder;
 import ru.serega6531.packmate.service.optimization.StreamOptimizer;
@@ -39,6 +38,7 @@ public class StreamService {
     private final boolean ignoreEmptyPackets;
 
     private final java.util.regex.Pattern userAgentPattern = java.util.regex.Pattern.compile("User-Agent: (.+)\\r\\n");
+    private final ModelMapper modelMapper = new ModelMapper();
 
     @Autowired
     public StreamService(StreamRepository repository,
@@ -108,7 +108,7 @@ public class StreamService {
         savedStream.setPackets(packets);
         savedStream = save(savedStream);
 
-        subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.NEW_STREAM, savedStream));
+        subscriptionService.broadcast(new SubscriptionMessage(SubscriptionMessageType.NEW_STREAM, streamToDto(savedStream)));
         return true;
     }
 
@@ -132,7 +132,7 @@ public class StreamService {
         char[] alphabet = "abcdefghijklmnopqrstuvwxyz0123456789".toCharArray();
         int l = alphabet.length;
         int hashCode = ua.hashCode();
-        if(hashCode == Integer.MIN_VALUE) {  // abs(MIN_VALUE) вернет то же значение
+        if (hashCode == Integer.MIN_VALUE) {  // abs(MIN_VALUE) вернет то же значение
             hashCode = Integer.MAX_VALUE;
         }
         final int hash = Math.abs(hashCode) % (l * l * l);
@@ -182,27 +182,35 @@ public class StreamService {
         PageRequest page = PageRequest.of(0, pagination.getPageSize(), pagination.getDirection(), "id");
 
         Specification<Stream> spec;
-        if(pagination.getDirection() == Sort.Direction.ASC) {
+        if (pagination.getDirection() == Sort.Direction.ASC) {
             spec = streamIdGreaterThan(pagination.getStartingFrom());
         } else {
             spec = streamIdLessThan(pagination.getStartingFrom());
         }
 
-        if(service.isPresent()) {
+        if (service.isPresent()) {
             spec = spec.and(streamServiceEquals(service.get()));
         }
 
-        if(onlyFavorites) {
+        if (onlyFavorites) {
             spec = spec.and(streamIsFavorite());
         }
 
-        if(pagination.getPattern() != null) {
+        if (pagination.getPattern() != null) {
             spec = spec.and(streamPatternsContains(pagination.getPattern()));
         }
 
         return repository.findAll(spec, page).getContent();
     }
 
+    public StreamDto streamToDto(Stream stream) {
+        return modelMapper.map(stream, StreamDto.class);
+    }
+
+    public PacketDto packetToDto(Packet packet) {
+        return modelMapper.map(packet, PacketDto.class);
+    }
+
     private Specification<Stream> streamServiceEquals(long service) {
         return (root, query, cb) -> cb.equal(root.get("service"), service);
     }