diff --git a/helpdesk/models.py b/helpdesk/models.py
index 7f18cf20..f8ffb8b1 100644
--- a/helpdesk/models.py
+++ b/helpdesk/models.py
@@ -56,6 +56,19 @@ def get_markdown(text):
     if not text:
         return ""
 
+    pattern = fr'([\[\s\S\]]*?)\(([\s\S]*?):([\s\S]*?)\)'
+    # Regex check
+    if re.match(pattern, text):
+        # get get value of group regex
+        scheme = re.search(pattern, text, re.IGNORECASE).group(2)
+        # scheme check
+        if scheme in helpdesk_settings.ALLOWED_URL_SCHEMES:
+            replacement = '\\1(\\2:\\3)'
+        else:
+            replacement = '\\1(\\3)'
+
+        text = re.sub(pattern, replacement, text, flags=re.IGNORECASE)
+
     return mark_safe(
         markdown(
             text,
diff --git a/helpdesk/settings.py b/helpdesk/settings.py
index 6437502e..c68cc4b9 100644
--- a/helpdesk/settings.py
+++ b/helpdesk/settings.py
@@ -76,7 +76,10 @@ HELPDESK_AUTO_SUBSCRIBE_ON_TICKET_RESPONSE = getattr(settings,
                                                      'HELPDESK_AUTO_SUBSCRIBE_ON_TICKET_RESPONSE',
                                                      False)
 
-
+# URL schemes that are allowed within links
+ALLOWED_URL_SCHEMES = getattr(settings, 'ALLOWED_URL_SCHEMES', (
+     'file', 'ftp', 'ftps', 'http', 'https', 'irc', 'mailto', 'sftp', 'ssh', 'tel', 'telnet', 'tftp', 'vnc', 'xmpp',
+))
 ############################
 # options for public pages #
 ############################