[Fixes #11147] Strip port from visitor_ip_address (#11148) (#11150)

* strip port from visitor_ip_address

* gix PEP

(cherry picked from commit 6887596c)

Co-authored-by: Giovanni Allegri <giohappy@gmail.com>

geonode/base/auth.py

@@ -259,6 +259,8 @@ def visitor_ip_address(request):
         ip = x_forwarded_for.split(",")[0]
     else:
         ip = request.META.get("REMOTE_ADDR")
+    if ip:
+        ip = re.match(r"(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})", ip)[0]
     return ip