diff --git a/docs/AUTH.md b/docs/AUTH.md
index d1b6a31..edc5a1b 100644
--- a/docs/AUTH.md
+++ b/docs/AUTH.md
@@ -10,9 +10,11 @@ Since version 0.7.3, the application supports three different forms of user auth
 ### SSO
 To use SSO, you need to set up Apache + Shiboleth in the usual way. Then set `SSO_AUTH = True` in the application configuration file **config.py**
 
+In general the whole app should be protected by Shiboleth. However, there certain endpoints should be excluded from Shiboleth for the interaction with BGP. See configuration example bellow. The endpoints which are not protected by Shibboleth are protected by app itself. Either by @localhost_only decorator or by API key. 
+
 Shibboleth configuration example:
 
-#### shibboleth config:
+#### shibboleth config (shib.conf):
 ```
 <Location />
   AuthType shibboleth
@@ -20,6 +22,20 @@ Shibboleth configuration example:
   require shib-session
 </Location>
 
+<LocationMatch /api/>
+  Satisfy Any
+  allow from All
+</LocationMatch>
+
+<LocationMatch /rules/announce_all>
+  Satisfy Any
+  allow from All
+</LocationMatch>
+
+<LocationMatch /rules/withdraw_expired>
+  Satisfy Any
+  allow from All
+</LocationMatch> 
 ```
 
 
diff --git a/docs/INSTALL.md b/docs/INSTALL.md
index 9965ee2..2589709 100644
--- a/docs/INSTALL.md
+++ b/docs/INSTALL.md
@@ -125,9 +125,9 @@ Supervisord is used to run and manage application.
 
 #### Final steps - as deploy user
 
-Copy config.example.py to config.py and fill out the DB credetials. 
+1. Copy config.example.py to config.py and fill out the DB credetials. 
 
-Create and populate database tables.
+2. Create and populate database tables.
 ```
 cd ~/www
 source venv/bin/activate
@@ -135,8 +135,8 @@ python db-init.py
 ```
 DB-init script inserts default roles, actions, rule states and two organizations (TUL and Cesnet). But no users.
 
-So before start, use your favorite mysql admin tool and insert some users into database. 
-The uuid of user should be set the eppn value provided by Shibboleth. 
+3. Before start, **use your favorite mysql admin tool and insert some users into database**. 
+The **uuid** of user should be set the **eppn** value provided by Shibboleth. 
 
 You can use following MYSQL commands to insert the user, give him role 'admin' and add him to the the organization 'Cesnet'.
 
diff --git a/flowapp/instance_config.py b/flowapp/instance_config.py
index 548261b..3c8bafb 100644
--- a/flowapp/instance_config.py
+++ b/flowapp/instance_config.py
@@ -103,7 +103,7 @@ class InstanceConfig:
             "macro_tbody": "build_ip_tbody",
             "macro_thead": "build_rules_thead",
             "table_colspan": 10,
-            "table_columns": RULES_COLUMNS_V6,
+            "table_columns": RULES_COLUMNS_V4,
         },
         "ipv6": {
             "name": "IPv6",