diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0ae000f..2ecf27a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,12 +4,26 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [1.2.2] - 2018-09-04
+### Added
+  - Environment variable LDAP_NOFILE to setup a custom ulimit value #237
+  
+### Fixed
+  - Remove schema ambiguity #204
+  - lidf typo in readme #217
+  - Ignore all the folders started with . #232
+
+### Security 
+  - Fix self-edit security issue #239
+  
+    Thanks to Yann Voumard for reporting this and @jonremy for the fix.
+
 ## [1.2.1] - 2018-05-14
 ### Security
   - The default "write" access to "*" by  "self" in the file  "config/bootstrap/ldif/02-security.ldif" allowed anyone to change all the data about himself. This includes the gid and uid numbers what could lead to serious security issues.
-  
-  This has been changed to ```olcAccess: to * by self read by dn="cn=admin,{{ LDAP_BASE_DN }}" write by * none"``` 
-  
+
+  This has been changed to ```olcAccess: to * by self read by dn="cn=admin,{{ LDAP_BASE_DN }}" write by * none"```
+
   Thanks to Francesc Escale for reporting this.
 
 ## [1.2.0] - 2018-03-02
diff --git a/Makefile b/Makefile
index f088b93a..0f3cd49a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 NAME = osixia/openldap
-VERSION = 1.2.1
+VERSION = 1.2.2
 
 .PHONY: build build-nocache test tag-latest push push-latest release git-tag-version
 
diff --git a/README.md b/README.md
index fa7bd512..599f50e3 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 ![Docker Stars](https://img.shields.io/docker/stars/osixia/openldap.svg)
 ![](https://images.microbadger.com/badges/image/osixia/openldap.svg)
 
-Latest release: 1.2.1 - OpenLDAP 2.4.44 -  [Changelog](CHANGELOG.md) | [Docker Hub](https://hub.docker.com/r/osixia/openldap/) 
+Latest release: 1.2.2 - OpenLDAP 2.4.44 -  [Changelog](CHANGELOG.md) | [Docker Hub](https://hub.docker.com/r/osixia/openldap/) 
 
 **A docker image to run OpenLDAP.**
 
@@ -35,7 +35,7 @@ Latest release: 1.2.1 - OpenLDAP 2.4.44 -  [Changelog](CHANGELOG.md) | [Docker H
 		- [Link environment file](#link-environment-file)
 		- [Make your own image or extend this image](#make-your-own-image-or-extend-this-image)
 - [Advanced User Guide](#advanced-user-guide)
-	- [Extend osixia/openldap:1.2.1 image](#extend-osixiaopenldap121-image)
+	- [Extend osixia/openldap:1.2.2 image](#extend-osixiaopenldap122-image)
 	- [Make your own openldap image](#make-your-own-openldap-image)
 	- [Tests](#tests)
 	- [Kubernetes](#kubernetes)
@@ -55,7 +55,7 @@ If you find this image useful here's how you can help:
 ## Quick Start
 Run OpenLDAP docker image:
 
-	docker run --name my-openldap-container --detach osixia/openldap:1.2.1
+	docker run --name my-openldap-container --detach osixia/openldap:1.2.2
 
 This start a new container with OpenLDAP running inside. Let's make the first search in our LDAP container:
 
@@ -91,7 +91,7 @@ It will create an empty ldap for the company **Example Inc.** and the domain **e
 By default the admin has the password **admin**. All those default settings can be changed at the docker command line, for example:
 
 	docker run --env LDAP_ORGANISATION="My Company" --env LDAP_DOMAIN="my-company.com" \
-	--env LDAP_ADMIN_PASSWORD="JonSn0w" --detach osixia/openldap:1.2.1
+	--env LDAP_ADMIN_PASSWORD="JonSn0w" --detach osixia/openldap:1.2.2
 
 #### Data persistence
 
@@ -141,12 +141,12 @@ argument to entrypoint if you don't want to overwrite them.
 		# single file example:
 		docker run \
       --volume ./bootstrap.ldif:/container/service/slapd/assets/config/bootstrap/ldif/50-bootstrap.ldif \
-      osixia/openldap:1.2.1 --copy-service
+      osixia/openldap:1.2.2 --copy-service
 
 		#directory example:
 		docker run \
-	     --volume ./lidf:/container/service/slapd/assets/config/bootstrap/ldif/custom \
-	     osixia/openldap:1.2.1 --copy-service
+	     --volume ./ldif:/container/service/slapd/assets/config/bootstrap/ldif/custom \
+	     osixia/openldap:1.2.2 --copy-service
 
 ### Use an existing ldap database
 
@@ -157,7 +157,7 @@ simply mount this directories as a volume to `/var/lib/ldap` and `/etc/ldap/slap
 
 	docker run --volume /data/slapd/database:/var/lib/ldap \
 	--volume /data/slapd/config:/etc/ldap/slapd.d \
-	--detach osixia/openldap:1.2.1
+	--detach osixia/openldap:1.2.2
 
 You can also use data volume containers. Please refer to:
 > [https://docs.docker.com/engine/tutorials/dockervolumes/](https://docs.docker.com/engine/tutorials/dockervolumes/)
@@ -177,7 +177,7 @@ If you are looking for a simple solution to administrate your ldap server you ca
 #### Use auto-generated certificate
 By default, TLS is already configured and enabled, certificate is created using container hostname (it can be set by docker run --hostname option eg: ldap.example.org).
 
-	docker run --hostname ldap.my-company.com --detach osixia/openldap:1.2.1
+	docker run --hostname ldap.my-company.com --detach osixia/openldap:1.2.2
 
 #### Use your own certificate
 
@@ -187,24 +187,24 @@ You can set your custom certificate at run time, by mounting a directory contain
 	--env LDAP_TLS_CRT_FILENAME=my-ldap.crt \
 	--env LDAP_TLS_KEY_FILENAME=my-ldap.key \
 	--env LDAP_TLS_CA_CRT_FILENAME=the-ca.crt \
-	--detach osixia/openldap:1.2.1
+	--detach osixia/openldap:1.2.2
 
 Other solutions are available please refer to the [Advanced User Guide](#advanced-user-guide)
 
 #### Disable TLS
 Add --env LDAP_TLS=false to the run command:
 
-	docker run --env LDAP_TLS=false --detach osixia/openldap:1.2.1
+	docker run --env LDAP_TLS=false --detach osixia/openldap:1.2.2
 
 ### Multi master replication
 Quick example, with the default config.
 
 	#Create the first ldap server, save the container id in LDAP_CID and get its IP:
-	LDAP_CID=$(docker run --hostname ldap.example.org --env LDAP_REPLICATION=true --detach osixia/openldap:1.2.1)
+	LDAP_CID=$(docker run --hostname ldap.example.org --env LDAP_REPLICATION=true --detach osixia/openldap:1.2.2)
 	LDAP_IP=$(docker inspect -f "{{ .NetworkSettings.IPAddress }}" $LDAP_CID)
 
 	#Create the second ldap server, save the container id in LDAP2_CID and get its IP:
-	LDAP2_CID=$(docker run --hostname ldap2.example.org --env LDAP_REPLICATION=true --detach osixia/openldap:1.2.1)
+	LDAP2_CID=$(docker run --hostname ldap2.example.org --env LDAP_REPLICATION=true --detach osixia/openldap:1.2.2)
 	LDAP2_IP=$(docker inspect -f "{{ .NetworkSettings.IPAddress }}" $LDAP2_CID)
 
 	#Add the pair "ip hostname" to /etc/hosts on each containers,
@@ -240,7 +240,7 @@ You may have some problems with mounted files on some systems. The startup scrip
 
 To fix that run the container with `--copy-service` argument :
 
-		docker run [your options] osixia/openldap:1.2.1 --copy-service
+		docker run [your options] osixia/openldap:1.2.2 --copy-service
 
 ### Debug
 
@@ -249,11 +249,11 @@ Available levels are: `none`, `error`, `warning`, `info`, `debug` and `trace`.
 
 Example command to run the container in `debug` mode:
 
-	docker run --detach osixia/openldap:1.2.1 --loglevel debug
+	docker run --detach osixia/openldap:1.2.2 --loglevel debug
 
 See all command line options:
 
-	docker run osixia/openldap:1.2.1 --help
+	docker run osixia/openldap:1.2.2 --help
 
 
 ## Environment Variables
@@ -318,7 +318,7 @@ Replication options:
 
 	If you want to set this variable at docker run command add the tag `#PYTHON2BASH:` and convert the yaml in python:
 
-		docker run --env LDAP_REPLICATION_HOSTS="#PYTHON2BASH:['ldap://ldap.example.org','ldap://ldap2.example.org']" --detach osixia/openldap:1.2.1
+		docker run --env LDAP_REPLICATION_HOSTS="#PYTHON2BASH:['ldap://ldap.example.org','ldap://ldap2.example.org']" --detach osixia/openldap:1.2.2
 
 	To convert yaml to python online: http://yaml-online-parser.appspot.com/
 
@@ -338,7 +338,7 @@ Other environment variables:
 Environment variables can be set by adding the --env argument in the command line, for example:
 
 	docker run --env LDAP_ORGANISATION="My company" --env LDAP_DOMAIN="my-company.com" \
-	--env LDAP_ADMIN_PASSWORD="JonSn0w" --detach osixia/openldap:1.2.1
+	--env LDAP_ADMIN_PASSWORD="JonSn0w" --detach osixia/openldap:1.2.2
 
 Be aware that environment variable added in command line will be available at any time
 in the container. In this example if someone manage to open a terminal in this container
@@ -349,14 +349,14 @@ he will be able to read the admin password in clear text from environment variab
 For example if your environment files **my-env.yaml** and **my-env.startup.yaml** are in /data/ldap/environment
 
 	docker run --volume /data/ldap/environment:/container/environment/01-custom \
-	--detach osixia/openldap:1.2.1
+	--detach osixia/openldap:1.2.2
 
 Take care to link your environment files folder to `/container/environment/XX-somedir` (with XX < 99 so they will be processed before default environment files) and not  directly to `/container/environment` because this directory contains predefined baseimage environment files to fix container environment (INITRD, LANG, LANGUAGE and LC_CTYPE).
 
 Note: the container will try to delete the **\*.startup.yaml** file after the end of startup files so the file will also be deleted on the docker host. To prevent that : use --volume /data/ldap/environment:/container/environment/01-custom**:ro** or set all variables in **\*.yaml** file and don't use **\*.startup.yaml**:
 
 	docker run --volume /data/ldap/environment/my-env.yaml:/container/environment/01-custom/env.yaml \
-	--detach osixia/openldap:1.2.1
+	--detach osixia/openldap:1.2.2
 
 #### Make your own image or extend this image
 
@@ -364,13 +364,13 @@ This is the best solution if you have a private registry. Please refer to the [A
 
 ## Advanced User Guide
 
-### Extend osixia/openldap:1.2.1 image
+### Extend osixia/openldap:1.2.2 image
 
 If you need to add your custom TLS certificate, bootstrap config or environment files the easiest way is to extends this image.
 
 Dockerfile example:
 
-	FROM osixia/openldap:1.2.1
+	FROM osixia/openldap:1.2.2
 	MAINTAINER Your Name <your@name.com>
 
 	ADD bootstrap /container/service/slapd/assets/config/bootstrap
diff --git a/example/docker-compose.yml b/example/docker-compose.yml
index ec33878d..c6c0520d 100644
--- a/example/docker-compose.yml
+++ b/example/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '2'
 services:
   openldap:
-    image: osixia/openldap:1.2.1
+    image: osixia/openldap:1.2.2
     container_name: openldap
     environment:
       LDAP_LOG_LEVEL: "256"
diff --git a/example/extend-osixia-openldap/Dockerfile b/example/extend-osixia-openldap/Dockerfile
index 29f4d416..c7b97fc9 100644
--- a/example/extend-osixia-openldap/Dockerfile
+++ b/example/extend-osixia-openldap/Dockerfile
@@ -1,4 +1,4 @@
-FROM osixia/openldap:1.2.1
+FROM osixia/openldap:1.2.2
 MAINTAINER Your Name <your@name.com>
 
 ADD bootstrap /container/service/slapd/assets/config/bootstrap
diff --git a/example/kubernetes/simple/ldap-deployment.yaml b/example/kubernetes/simple/ldap-deployment.yaml
index 3195a2c8..7d842e6c 100644
--- a/example/kubernetes/simple/ldap-deployment.yaml
+++ b/example/kubernetes/simple/ldap-deployment.yaml
@@ -13,7 +13,7 @@ spec:
     spec:
       containers:
         - name: ldap
-          image: osixia/openldap:1.2.1
+          image: osixia/openldap:1.2.2
           volumeMounts:
             - name: ldap-data
               mountPath: /var/lib/ldap
diff --git a/example/kubernetes/using-secrets/ldap-deployment.yaml b/example/kubernetes/using-secrets/ldap-deployment.yaml
index 84d7988d..f3f8e23e 100644
--- a/example/kubernetes/using-secrets/ldap-deployment.yaml
+++ b/example/kubernetes/using-secrets/ldap-deployment.yaml
@@ -13,7 +13,7 @@ spec:
     spec:
       containers:
         - name: ldap
-          image: osixia/openldap:1.2.1
+          image: osixia/openldap:1.2.2
           args: ["--copy-service"]
           volumeMounts:
             - name: ldap-data
diff --git a/image/environment/default.startup.yaml b/image/environment/default.startup.yaml
index 1c413d54..6a027d43 100644
--- a/image/environment/default.startup.yaml
+++ b/image/environment/default.startup.yaml
@@ -56,6 +56,9 @@ KEEP_EXISTING_CONFIG: false
 # Remove config after setup
 LDAP_REMOVE_CONFIG_AFTER_SETUP: true
 
+# Ulimit
+LDAP_NOFILE: 1024
+
 # ssl-helper environment variables prefix
 LDAP_SSL_HELPER_PREFIX: ldap # ssl-helper first search config from LDAP_SSL_HELPER_* variables, before SSL_HELPER_* variables.
 
diff --git a/image/service/slapd/assets/config/bootstrap/ldif/readonly-user/readonly-user-acl.ldif b/image/service/slapd/assets/config/bootstrap/ldif/readonly-user/readonly-user-acl.ldif
index ff13eaf5..56f77282 100644
--- a/image/service/slapd/assets/config/bootstrap/ldif/readonly-user/readonly-user-acl.ldif
+++ b/image/service/slapd/assets/config/bootstrap/ldif/readonly-user/readonly-user-acl.ldif
@@ -4,4 +4,4 @@ delete: olcAccess
 -
 add: olcAccess
 olcAccess: to attrs=userPassword,shadowLastChange by self write by dn="cn=admin,{{ LDAP_BASE_DN }}" write by anonymous auth by * none
-olcAccess: to * by self write by dn="cn=admin,{{ LDAP_BASE_DN }}" write by dn="cn={{ LDAP_READONLY_USER_USERNAME }},{{ LDAP_BASE_DN }}" read by * none
+olcAccess: to * by self read by dn="cn=admin,{{ LDAP_BASE_DN }}" write by dn="cn={{ LDAP_READONLY_USER_USERNAME }},{{ LDAP_BASE_DN }}" read by * none
diff --git a/image/service/slapd/process.sh b/image/service/slapd/process.sh
index 7bf3413c..4fc54143 100755
--- a/image/service/slapd/process.sh
+++ b/image/service/slapd/process.sh
@@ -7,6 +7,6 @@ log-helper level eq trace && set -x
 # Reduce maximum number of number of open file descriptors to 1024
 # otherwise slapd consumes two orders of magnitude more of RAM
 # see https://github.com/docker/docker/issues/8231
-ulimit -n 1024
+ulimit -n $LDAP_NOFILE
 
 exec /usr/sbin/slapd -h "ldap://$HOSTNAME ldaps://$HOSTNAME ldapi:///" -u openldap -g openldap -d $LDAP_LOG_LEVEL
diff --git a/image/service/slapd/startup.sh b/image/service/slapd/startup.sh
index 702d9063..dd291b35 100755
--- a/image/service/slapd/startup.sh
+++ b/image/service/slapd/startup.sh
@@ -8,7 +8,7 @@ log-helper level eq trace && set -x
 # Reduce maximum number of number of open file descriptors to 1024
 # otherwise slapd consumes two orders of magnitude more of RAM
 # see https://github.com/docker/docker/issues/8231
-ulimit -n 1024
+ulimit -n $LDAP_NOFILE
 
 # create dir if they not already exists
 [ -d /var/lib/ldap ] || mkdir -p /var/lib/ldap
@@ -54,7 +54,7 @@ if [ ! -e "$FIRST_START_DONE" ]; then
   }
 
   function is_new_schema() {
-    local COUNT=$(ldapsearch -Q -Y EXTERNAL -H ldapi:/// -b cn=schema,cn=config cn | grep -c $1)
+    local COUNT=$(ldapsearch -Q -Y EXTERNAL -H ldapi:/// -b cn=schema,cn=config cn | grep -c "}$1,")
     if [ "$COUNT" -eq 0 ]; then
       echo 1
     else
@@ -87,8 +87,8 @@ if [ ! -e "$FIRST_START_DONE" ]; then
   # database and config directory are empty
   # setup bootstrap config - Part 1
   #
-  if [ -z "$(ls -A -I lost+found -I .rmtab -I .gitignore /var/lib/ldap)" ] && \
-    [ -z "$(ls -A -I lost+found -I .rmtab -I .gitignore /etc/ldap/slapd.d)" ]; then
+  if [ -z "$(ls -A -I lost+found --ignore=.* /var/lib/ldap)" ] && \
+    [ -z "$(ls -A -I lost+found --ignore=.* /etc/ldap/slapd.d)" ]; then
 
     BOOTSTRAP=true
     log-helper info "Database and config directory are empty..."
@@ -133,14 +133,14 @@ EOF
   #
   # Error: the database directory (/var/lib/ldap) is empty but not the config directory (/etc/ldap/slapd.d)
   #
-  elif [ -z "$(ls -A -I lost+found -I .rmtab /var/lib/ldap)" ] && [ ! -z "$(ls -A -I lost+found -I .rmtab /etc/ldap/slapd.d)" ]; then
+  elif [ -z "$(ls -A -I lost+found --ignore=.* /var/lib/ldap)" ] && [ ! -z "$(ls -A -I lost+found --ignore=.* /etc/ldap/slapd.d)" ]; then
     log-helper error "Error: the database directory (/var/lib/ldap) is empty but not the config directory (/etc/ldap/slapd.d)"
     exit 1
 
   #
   # Error: the config directory (/etc/ldap/slapd.d) is empty but not the database directory (/var/lib/ldap)
   #
-  elif [ ! -z "$(ls -A -I lost+found -I .rmtab /var/lib/ldap)" ] && [ -z "$(ls -A -I lost+found -I .rmtab /etc/ldap/slapd.d)" ]; then
+  elif [ ! -z "$(ls -A -I lost+found --ignore=.* /var/lib/ldap)" ] && [ -z "$(ls -A -I lost+found --ignore=.* /etc/ldap/slapd.d)" ]; then
     log-helper error "Error: the config directory (/etc/ldap/slapd.d) is empty but not the database directory (/var/lib/ldap)"
     exit 1