diff --git a/syncplay/ep_server.py b/syncplay/ep_server.py
index 548ddd0..10a74b5 100644
--- a/syncplay/ep_server.py
+++ b/syncplay/ep_server.py
@@ -6,19 +6,26 @@ from twisted.internet.error import CannotListenError
 
 from syncplay.server import SyncFactory, ConfigurationGetter
 
-class ServerStatus: pass
+
+class ServerStatus:
+    listening6 = False
+    listening4 = False
+
 
 def isListening6(f):
     ServerStatus.listening6 = True
 
+
 def isListening4(f):
     ServerStatus.listening4 = True
 
+
 def failed6(f):
     ServerStatus.listening6 = False
     print(f.value)
     print("IPv6 listening failed.")
 
+
 def failed4(f):
     ServerStatus.listening4 = False
     if f.type is CannotListenError and ServerStatus.listening6:
@@ -27,9 +34,11 @@ def failed4(f):
         print(f.value)
         print("IPv4 listening failed.")
 
+
 def main():
     argsGetter = ConfigurationGetter()
     args = argsGetter.getConfiguration()
+
     factory = SyncFactory(
         args.port,
         args.password,
@@ -45,15 +54,25 @@ def main():
         args.stats_db_file,
         args.tls
     )
-    endpoint6 = TCP6ServerEndpoint(reactor, int(args.port))
-    endpoint6.listen(factory).addCallbacks(isListening6, failed6)
-    endpoint4 = TCP4ServerEndpoint(reactor, int(args.port))
-    endpoint4.listen(factory).addCallbacks(isListening4, failed4)
+
+    if args.ipv6_only is True:
+        endpoint6 = TCP6ServerEndpoint(reactor, int(args.port), interface=args.interface_ipv6)
+        endpoint6.listen(factory).addCallbacks(isListening6, failed6)
+    elif args.ipv4_only is True:
+        endpoint4 = TCP4ServerEndpoint(reactor, int(args.port), interface=args.interface_ipv4)
+        endpoint4.listen(factory).addCallbacks(isListening4, failed4)
+    else:
+        endpoint6 = TCP6ServerEndpoint(reactor, int(args.port), interface=args.interface_ipv6)
+        endpoint6.listen(factory).addCallbacks(isListening6, failed6)
+        endpoint4 = TCP4ServerEndpoint(reactor, int(args.port), interface=args.interface_ipv4)
+        endpoint4.listen(factory).addCallbacks(isListening4, failed4)
+
     if ServerStatus.listening6 or ServerStatus.listening4:
         reactor.run()
     else:
         print("Unable to listen using either IPv4 and IPv6 protocols. Quitting the server now.")
         sys.exit()
 
+
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()
diff --git a/syncplay/messages_de.py b/syncplay/messages_de.py
index 9718162..affa51f 100755
--- a/syncplay/messages_de.py
+++ b/syncplay/messages_de.py
@@ -499,6 +499,10 @@ de = {
     "server-startTLS-argument": "Erlaube TLS-Verbindungen mit den Zertifikatdateien im Angegebenen Pfad",
     "server-messed-up-motd-unescaped-placeholders": "Die Nachricht des Tages hat unmaskierte Platzhalter. Alle $-Zeichen sollten verdoppelt werden ($$).",
     "server-messed-up-motd-too-long": "Die Nachricht des Tages ist zu lang - Maximal {} Zeichen, aktuell {}.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Unbekannter Befehl {}",  # message
diff --git a/syncplay/messages_en.py b/syncplay/messages_en.py
index 4798962..97a759d 100644
--- a/syncplay/messages_en.py
+++ b/syncplay/messages_en.py
@@ -500,6 +500,10 @@ en = {
     "server-startTLS-argument": "Enable TLS connections using the certificate files in the path provided",
     "server-messed-up-motd-unescaped-placeholders": "Message of the Day has unescaped placeholders. All $ signs should be doubled ($$).",
     "server-messed-up-motd-too-long": "Message of the Day is too long - maximum of {} chars, {} given.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Unknown command {}",  # message
diff --git a/syncplay/messages_eo.py b/syncplay/messages_eo.py
index f2fe771..4225f7c 100644
--- a/syncplay/messages_eo.py
+++ b/syncplay/messages_eo.py
@@ -503,6 +503,10 @@ eo = {
     "server-startTLS-argument": "Ŝalti TLS-konektojn per la atestilaj dosieroj en la donita vojo",
     "server-messed-up-motd-unescaped-placeholders": "Mesaĝo de tago havas neŝirmitajn anstataŭiĝojn. Ĉiuj dolarsignoj devus aperi duoble ($$).",
     "server-messed-up-motd-too-long": "Mesaĝo de tago estas tro longa – maksimuma kvanto estas {} signoj, sed {} estas donitaj.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Nekonata ordono {}",  # message
diff --git a/syncplay/messages_es.py b/syncplay/messages_es.py
index f46761a..890b249 100644
--- a/syncplay/messages_es.py
+++ b/syncplay/messages_es.py
@@ -499,6 +499,10 @@ es = {
     "server-startTLS-argument": "Habilitar conexiones TLS usando los archivos de certificado en la ruta provista",
     "server-messed-up-motd-unescaped-placeholders": "El mensaje del dia contiene marcadores de posición sin escapar. Todos los signos $ deberían ser dobles ($$).",
     "server-messed-up-motd-too-long": "El mensaje del día es muy largo - máximo de {} caracteres, se recibieron {}.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Comando desconocido {}",  # message
diff --git a/syncplay/messages_fr.py b/syncplay/messages_fr.py
index b35adb2..6d95add 100644
--- a/syncplay/messages_fr.py
+++ b/syncplay/messages_fr.py
@@ -500,6 +500,10 @@ fr = {
     "server-startTLS-argument": "Activer les connexions TLS à l'aide des fichiers de certificat dans le chemin fourni",
     "server-messed-up-motd-unescaped-placeholders": "Le message du jour a des espaces réservés non échappés. Tous les signes $ doivent être doublés ($$).",
     "server-messed-up-motd-too-long": "Le message du jour est trop long: {}caractères maximum, {} donnés.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Commande inconnue {}",  # message
diff --git a/syncplay/messages_it.py b/syncplay/messages_it.py
index 2fdad31..cdf2b76 100755
--- a/syncplay/messages_it.py
+++ b/syncplay/messages_it.py
@@ -499,6 +499,10 @@ it = {
     "server-startTLS-argument": "Abilita il protocollo TLS usando i certificati contenuti nel percorso indicato",
     "server-messed-up-motd-unescaped-placeholders": "Il messaggio del giorno ha dei caratteri non 'escaped'. Tutti i simboli $ devono essere doppi ($$).",
     "server-messed-up-motd-too-long": "Il messaggio del giorno è troppo lungo - numero massimo di caratteri è {}, {} trovati.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Comando non riconosciuto {}",  # message
diff --git a/syncplay/messages_pt_BR.py b/syncplay/messages_pt_BR.py
index e328180..c7a2535 100644
--- a/syncplay/messages_pt_BR.py
+++ b/syncplay/messages_pt_BR.py
@@ -500,6 +500,10 @@ pt_BR = {
     "server-startTLS-argument": "Habilita conexões TLS usando os arquivos de certificado no caminho fornecido",
     "server-messed-up-motd-unescaped-placeholders": "A Mensagem do Dia possui placeholders não escapados. Todos os sinais de $ devem ser dobrados (como em $$).",
     "server-messed-up-motd-too-long": "A Mensagem do Dia é muito longa - máximo de {} caracteres, {} foram dados.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Comando desconhecido: {}",  # message
diff --git a/syncplay/messages_pt_PT.py b/syncplay/messages_pt_PT.py
index 8b48efe..a32d24c 100644
--- a/syncplay/messages_pt_PT.py
+++ b/syncplay/messages_pt_PT.py
@@ -499,6 +499,10 @@ pt_PT = {
     "server-startTLS-argument": "Habilita conexões TLS usando os arquivos de certificado no caminho fornecido",
     "server-messed-up-motd-unescaped-placeholders": "A Mensagem do Dia possui placeholders não escapados. Todos os sinais de $ devem ser dobrados (como em $$).",
     "server-messed-up-motd-too-long": "A Mensagem do Dia é muito longa - máximo de {} caracteres, {} foram dados.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Comando desconhecido: {}",  # message
diff --git a/syncplay/messages_ru.py b/syncplay/messages_ru.py
index 6ecef4e..ce30c21 100755
--- a/syncplay/messages_ru.py
+++ b/syncplay/messages_ru.py
@@ -496,6 +496,10 @@ ru = {
     "server-startTLS-argument": "Включить TLS-соединения используя файлы сертификатов в указанном пути",
     "server-messed-up-motd-unescaped-placeholders": "MOTD-сообщение содержит неэкранированные спецсимволы. Все знаки $ должны быть продублированы ($$).",
     "server-messed-up-motd-too-long": "MOTD-сообщение слишком длинное: максимальная длина - {} символ(ов), текущая длина - {} символ(ов).",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Неизвестная команда: {}",  # message
diff --git a/syncplay/messages_tr.py b/syncplay/messages_tr.py
index 09cc5aa..cb4e759 100644
--- a/syncplay/messages_tr.py
+++ b/syncplay/messages_tr.py
@@ -500,6 +500,10 @@ tr = {
     "server-startTLS-argument": "Dosya yolundaki sertifika dosyalarını kullanarak TLS bağlantılarını etkinleştirin",
     "server-messed-up-motd-unescaped-placeholders": "Günün Mesajında çıkış karaktersiz yer tutucular var. Tüm $ işaretleri iki katına çıkarılmalıdır ($$).",
     "server-messed-up-motd-too-long": "Günün Mesajı çok uzun - maksimum {} karakter olmalı, {} verildi.",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "Bilinmeyen komut {}",  # message
diff --git a/syncplay/messages_zh_CN.py b/syncplay/messages_zh_CN.py
index 0df6abf..9fbdff7 100644
--- a/syncplay/messages_zh_CN.py
+++ b/syncplay/messages_zh_CN.py
@@ -500,6 +500,10 @@ zh_CN = {
     "server-startTLS-argument": "使用提供的路径中的证书文件启用TLS连接",
     "server-messed-up-motd-unescaped-placeholders": "每日信息中有未转义的占位符。所有 $ 字符应当重复两遍 ($$).",
     "server-messed-up-motd-too-long": "每日信息过长 - 最大{}个chars, 给出的长度{}",
+    "server-listen-only-on-ipv4": "Listen only on IPv4 when starting the server.",
+    "server-listen-only-on-ipv6": "Listen only on IPv6 when starting the server.",
+    "server-interface-ipv4": "The IP address to bind to for IPv4. Leaving it empty defaults to using all.",
+    "server-interface-ipv6": "The IP address to bind to for IPv6. Leaving it empty defaults to using all.",
 
     # Server errors
     "unknown-command-server-error": "未知命令 {}",  # message
diff --git a/syncplay/server.py b/syncplay/server.py
index 66e9888..c5a04ac 100755
--- a/syncplay/server.py
+++ b/syncplay/server.py
@@ -2,9 +2,7 @@ import argparse
 import codecs
 import hashlib
 import os
-import random
 import time
-import json
 from string import Template
 
 from twisted.enterprise import adbapi
@@ -292,18 +290,18 @@ class StatsRecorder(object):
     def __init__(self, dbHandle, roomManager):
         self._dbHandle = dbHandle
         self._roomManagerHandle = roomManager
-        
+
     def startRecorder(self, delay):
         try:
             self._dbHandle.connect()
             reactor.callLater(delay, self._scheduleClientSnapshot)
         except:
             print("--- Error in initializing the stats database. Server Stats not enabled. ---")
-    
+
     def _scheduleClientSnapshot(self):
         self._clientSnapshotTimer = task.LoopingCall(self._runClientSnapshot)
-        self._clientSnapshotTimer.start(constants.SERVER_STATS_SNAPSHOT_INTERVAL)    
-    
+        self._clientSnapshotTimer.start(constants.SERVER_STATS_SNAPSHOT_INTERVAL)
+
     def _runClientSnapshot(self):
         try:
             snapshotTime = int(time.time())
@@ -499,7 +497,7 @@ class RoomManager(object):
         while username.lower() in allnames:
             username += '_'
         return username
-    
+
     def exportRooms(self):
         return self._rooms
 
@@ -891,3 +889,7 @@ class ConfigurationGetter(object):
         self._argparser.add_argument('--max-username-length', metavar='maxUsernameLength', type=int, nargs='?', help=getMessage("server-maxusernamelength-argument").format(constants.MAX_USERNAME_LENGTH))
         self._argparser.add_argument('--stats-db-file', metavar='file', type=str, nargs='?', help=getMessage("server-stats-db-file-argument"))
         self._argparser.add_argument('--tls', metavar='path', type=str, nargs='?', help=getMessage("server-startTLS-argument"))
+        self._argparser.add_argument('--ipv4-only', action='store_true', help=getMessage("server-listen-only-on-ipv4"))
+        self._argparser.add_argument('--ipv6-only', action='store_true', help=getMessage("server-listen-only-on-ipv6"))
+        self._argparser.add_argument('--interface-ipv4', metavar='interfaceIPv4', type=str, nargs='?', help=getMessage("server-interface-ipv4"), default='')
+        self._argparser.add_argument('--interface-ipv6', metavar='interfaceIPv6', type=str, nargs='?', help=getMessage("server-interface-ipv6"), default='')
diff --git a/syncplay/utils.py b/syncplay/utils.py
index 5f42a39..71572f1 100755
--- a/syncplay/utils.py
+++ b/syncplay/utils.py
@@ -12,7 +12,6 @@ import subprocess
 import sys
 import time
 import traceback
-import unicodedata
 import urllib.error
 import urllib.parse
 import urllib.request