diff --git a/pym/unix/variables/groups.py b/pym/unix/variables/groups.py
index e8483ee..271440b 100644
--- a/pym/unix/variables/groups.py
+++ b/pym/unix/variables/groups.py
@@ -16,7 +16,7 @@
 
 import sys
 from calculate.lib.datavars import (ReadonlyVariable, Variable,
-                                    VariableError)
+                                    VariableError, VariableInterface)
 from calculate.ldap.variables.helpers import (LdapSearchHelper, LdapMaxHelper)
 from calculate.unix.variables.helpers import (UnixUserHelper, UnixGroupHelper,
                                               UnixActionHelper)
@@ -29,8 +29,18 @@ from calculate.lib.cl_lang import (setLocalTranslate, getLazyLocalTranslate)
 setLocalTranslate('cl_unix3', sys.modules[__name__])
 __ = getLazyLocalTranslate(_)
 
+class GroupNameHelper(VariableInterface):
+    """
+    Вспомогательный объект для проверки имени группы
+    """
+    def check_group_name(self, gname):
+        if len(gname) > 32:
+            raise VariableError(_("Wrong group name length"))
+        if ":" in gname:
+            raise VariableError(_("Wrong group name"))
 
-class VariableUrUnixGroupName(LdapSearchHelper, UnixActionHelper, Variable):
+class VariableUrUnixGroupName(GroupNameHelper,
+                              LdapSearchHelper, UnixActionHelper, Variable):
     """
     Название группы
     """
@@ -54,8 +64,7 @@ class VariableUrUnixGroupName(LdapSearchHelper, UnixActionHelper, Variable):
     def check(self, value):
         if not value:
             raise VariableError(_("You should specify group name"))
-        if not re.match("^[a-zA-Z_]([a-zA-Z0-9_ -]*[a-zA-Z0-9_-])?$", value):
-            raise VariableError(_("Wrong group name"))
+        self.check_group_name(value)
         if value == "list":
             raise VariableError(_("List is using as keyword"))
         if self.check_name(value):
@@ -392,7 +401,7 @@ class VariableUrUnixGroupUsersDel(UnixUserHelper, Variable):
             return _("Not change")
 
 
-class VariableUrUnixGroupNewname(UnixGroupHelper, Variable):
+class VariableUrUnixGroupNewname(GroupNameHelper, UnixGroupHelper, Variable):
     opt = ("-n", "--new-name")
     value = ""
     metavalue = "NEW_GROUP"
@@ -407,7 +416,7 @@ class VariableUrUnixGroupNewname(UnixGroupHelper, Variable):
     def check(self, value):
         if value == self.Get('ur_unix_group_name'):
             return
-            # raise VariableError(_("The new group name is the same as the old"))
+        self.check_group_name(value)
         if self.search_ldap_group_name(value):
             raise VariableError(
                 _("Group {name} already exists").format(name=value))
diff --git a/pym/unix/variables/users.py b/pym/unix/variables/users.py
index 489b7ee..a0ffe98 100644
--- a/pym/unix/variables/users.py
+++ b/pym/unix/variables/users.py
@@ -18,7 +18,8 @@ import sys
 from os import path
 from calculate.lib.cl_ldap import LDAPConnectError
 from calculate.lib.datavars import (ReadonlyVariable, Variable,
-                                    VariableError, PasswordError)
+                                    VariableError, PasswordError,
+                                    VariableInterface)
 from calculate.ldap.variables.helpers import (HashHelper,
                                               LdapMaxHelper)
 from calculate.unix.variables.helpers import (UnixUserHelper, UnixGroupHelper,
@@ -35,7 +36,20 @@ setLocalTranslate('cl_unix3', sys.modules[__name__])
 __ = getLazyLocalTranslate(_)
 
 
-class VariableUrUnixLogin(UnixUserHelper, UnixActionHelper, Variable):
+class UserNameHelper(VariableInterface):
+    """
+    Вспомогательный объект для проверки имени группы
+    """
+
+    def check_user_name(self, uname):
+        if len(uname) > 32:
+            raise VariableError(_("Wrong user name length"))
+        if ":" in uname:
+            raise VariableError(_("Wrong user name"))
+
+
+class VariableUrUnixLogin(UserNameHelper, UnixUserHelper, UnixActionHelper,
+                          Variable):
     """
     Логин настраиваемого пользователя
     """
@@ -56,8 +70,7 @@ class VariableUrUnixLogin(UnixUserHelper, UnixActionHelper, Variable):
     def check_new(self, value):
         if not value:
             raise VariableError(_("You should specify login"))
-        if not re.match("^[a-zA-Z_]([a-zA-Z0-9_ -]*[a-zA-Z0-9_-])?$", value):
-            raise VariableError(_("Wrong user login"))
+        self.check_user_name(value)
         if value == "list":
             raise VariableError(_("List is using as keyword"))
         if self.search_ldap_user_name(value):