diff --git a/.gitignore b/.gitignore
index 522a615..60452cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,8 +2,9 @@ __pycache__/
 clients/
 server.key
 server.pub
-wg0.conf
-wg0.conf_old
+*.conf
+*.conf_old
+!wpm_example.conf
 *.swp
 *.swo
 hostname
diff --git a/gen.py b/gen.py
index 536ef9c..347bd7c 100644
--- a/gen.py
+++ b/gen.py
@@ -3,6 +3,7 @@ import logging
 import json
 import ipaddress
 import argparse
+import configparser
 from socket import getfqdn
 from os import system
 from base64 import b64encode, b64decode
@@ -22,13 +23,23 @@ my_parser = argparse.ArgumentParser()
 my_parser.add_argument('--update', action='store_true', default=False)
 my_parser.add_argument('--peer', action='store', type=str)
 my_parser.add_argument('--delete', action='store', type=str)
+my_parser.add_argument('--config', action='store', type=str)
 
-ips = "0.0.0.0/5, 8.0.0.0/7, 10.150.200.0/24, 11.0.0.0/8, 12.0.0.0/6, 16.0.0.0/4, 32.0.0.0/3, 64.0.0.0/2, 128.0.0.0/3, 160.0.0.0/5, 168.0.0.0/6, 172.0.0.0/12, 172.32.0.0/11, 172.64.0.0/10, 172.128.0.0/9, 173.0.0.0/8, 174.0.0.0/7, 176.0.0.0/4, 192.0.0.0/9, 192.128.0.0/11, 192.160.0.0/13, 192.169.0.0/16, 192.170.0.0/15, 192.172.0.0/14, 192.176.0.0/12, 192.192.0.0/10, 193.0.0.0/8, 194.0.0.0/7, 196.0.0.0/6, 200.0.0.0/5, 208.0.0.0/4"
+## Reading config
+config = configparser.ConfigParser()
+config.read('wpm.conf')
+ips = config['Interface'].get('allowed_ips', '0.0.0.0/0')
+dns = config['Interface'].get('dns', '8.8.8.8/32')
+
+
+#ips = "0.0.0.0/5, 8.0.0.0/7, 10.150.200.0/24, 11.0.0.0/8, 12.0.0.0/6, 16.0.0.0/4, 32.0.0.0/3, 64.0.0.0/2, 128.0.0.0/3, 160.0.0.0/5, 168.0.0.0/6, 172.0.0.0/12, 172.32.0.0/11, 172.64.0.0/10, 172.128.0.0/9, 173.0.0.0/8, 174.0.0.0/7, 176.0.0.0/4, 192.0.0.0/9, 192.128.0.0/11, 192.160.0.0/13, 192.169.0.0/16, 192.170.0.0/15, 192.172.0.0/14, 192.176.0.0/12, 192.192.0.0/10, 193.0.0.0/8, 194.0.0.0/7, 196.0.0.0/6, 200.0.0.0/5, 208.0.0.0/4"
 
 # Execute the parse_args() method
 args = my_parser.parse_args()
 peer_name = args.peer
 del_name = args.delete
+config = args.config if args.config else (config['Interface'].get('config', 'wg0'))
+log.info('Using %s WG config file.', config)
 is_update = args.update
 
 
@@ -53,7 +64,7 @@ class Peer:
         else:
             self.priv_key = self.generate_key()
             self.pub_key = self.public_key(self.priv_key)
-            self.allowed_ips = allowed_ips if allowed_ips else Helper().next_ip
+            self.allowed_ips = allowed_ips if allowed_ips else Helper(cfg_path=config).next_ip
 
         self.full_comment = "# priv_key: " + " ; ".join([self.priv_key, "comment: " + comment])
 
@@ -82,7 +93,7 @@ class Peer:
         _wg.add_attr(None, 'PrivateKey', self.priv_key)
         _wg.add_peer(helper.server_pub_key)
         _wg.add_attr(helper.server_pub_key, 'AllowedIPs', f'{helper.dns}/32, {ips}')
-        _wg.add_attr(helper.server_pub_key, 'Endpoint', helper.server_addr)
+        _wg.add_attr(helper.server_pub_key, 'Endpoint', f"{helper.server_addr}:51820")
         _wg.add_attr(helper.server_pub_key, 'PersistentKeepalive', 10)
         _wg.write_file()
         system(f'qrencode -r {filename}.conf -o {filename}-qr.png')
@@ -93,8 +104,7 @@ class Peer:
 class Helper:
     def __init__(
             self,
-            cfg_path="/etc/wireguard/wg0.conf",
-            dns="8.8.8.8"):
+            cfg_path):
         self.cfg_path = cfg_path
         self.server_addr = self.hostname
         self.dns = dns
@@ -118,7 +128,7 @@ class Helper:
     def ip_list(self):
         """Return list of IPs"""
         ip_list = list()
-        ip_list.append(ipaddress.ip_address(Helper().wg.interface['Address'].split('/')[0]))
+        ip_list.append(ipaddress.ip_address(Helper(cfg_path=config).wg.interface['Address'].split('/')[0]))
         for i, v in self.wg.peers.items():
             try:
                 ip_raw = v.get('AllowedIPs', None)
@@ -166,22 +176,22 @@ class Helper:
 
 def add_peer(peer_name):
     log.info('Generate a new peer config.')
-    helper = Helper()
+    helper = Helper(cfg_path=config)
     helper.add_peer(peer_name)
     helper.wg.write_file()
-    system('systemctl restart wg-quick@wg0.service')
+    system(f'systemctl restart wg-quick@{config}.service')
 
 def del_peer(peer_name):
     log.info(f'Remove given peer {peer_name}.')
-    helper = Helper()
+    helper = Helper(cfg_path=config)
     helper.del_peer(peer_name)
     helper.wg.write_file()
-    system('systemctl restart wg-quick@wg0.service')
+    system(f'systemctl restart wg-quick@{config}.service')
 
 def update_configs():
     log.info("Update all clients configs.")
-    for peer in Helper().peer_list:
-        peer.gen_config(Helper())
+    for peer in Helper(cfg_path=config).peer_list:
+        peer.gen_config(Helper(cfg_path=config))
 
 if not is_update and peer_name:
     add_peer(peer_name)
@@ -190,7 +200,7 @@ if is_update:
     update_configs()
 
 def list_peers():
-    return [{'name': p.comment, 'ip': p.allowed_ips, 'pub_key': p.pub_key} for p in Helper().peer_list]
+    return [{'name': p.comment, 'ip': p.allowed_ips, 'pub_key': p.pub_key} for p in Helper(cfg_path=config).peer_list]
 
 if del_name:
     del_peer(del_name)
diff --git a/wpm_example.conf b/wpm_example.conf
new file mode 100644
index 0000000..b662656
--- /dev/null
+++ b/wpm_example.conf
@@ -0,0 +1,9 @@
+[Interface]
+## allowed_ips for generated peer configs.
+allowed_ips = 0.0.0.0/0
+
+## DNS for peer configs
+dns = 8.8.8.8
+
+## wg0 is default config.
+# config = wg0