Merge branch 'jgehrcke-jp/tlschange' into hotfix-1.1.4

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 1.1.4
+- Remove environment variable LDAP_TLS_PROTOCOL_MIN as it takes no effect, see #69.
+- Adjust default GnuTLS cipher string according to Red Hat's TLS hardening guide.
+  This by default also restricts the TLS protocol version to 1.2. For reference,
+  see #69.
+
 ## 1.1.3
 Merge pull request :
   - Use mdb over hdb #50

README.md

@@ -253,8 +253,7 @@ TLS options:
 - **LDAP_TLS_KEY_FILENAME**: Ldap ssl certificate private key filename. Defaults to `ldap.key`
 - **LDAP_TLS_CA_CRT_FILENAME**: Ldap ssl CA certificate  filename. Defaults to `ca.crt`
 - **LDAP_TLS_ENFORCE**: Enforce TLS. Defaults to `false`
-- **LDAP_TLS_CIPHER_SUITE**: TLS cipher suite. Defaults to `SECURE256:-VERS-SSL3.0`
-- **LDAP_TLS_PROTOCOL_MIN**: TLS min protocol. Defaults to `3.1`
+- **LDAP_TLS_CIPHER_SUITE**: TLS cipher suite. Defaults to `SECURE256:+SECURE128:-VERS-TLS-ALL:+VERS-TLS1.2:-RSA:-DHE-DSS:-CAMELLIA-128-CBC:-CAMELLIA-256-CBC`, based on Red Hat's [TLS hardening guide](https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Security_Guide/sec-Hardening_TLS_Configuration.html)
 - **LDAP_TLS_VERIFY_CLIENT**: TLS verify client. Defaults to `demand`
 
 	Help: http://www.openldap.org/doc/admin24/tls.html

example/extend-osixia-openldap/environment/my-env.yaml.startup

@@ -23,8 +23,7 @@ LDAP_TLS_KEY_FILENAME: cert.key
 LDAP_TLS_CA_CRT_FILENAME: ca.crt
 
 LDAP_TLS_ENFORCE: false
-LDAP_TLS_CIPHER_SUITE: SECURE256:-VERS-SSL3.0
-LDAP_TLS_PROTOCOL_MIN: 3.1
+LDAP_TLS_CIPHER_SUITE: SECURE256:+SECURE128:-VERS-TLS-ALL:+VERS-TLS1.2:-RSA:-DHE-DSS:-CAMELLIA-128-CBC:-CAMELLIA-256-CBC
 LDAP_TLS_VERIFY_CLIENT: never
 
 # Replication

example/kubernetes/simple/ldap-rc.yaml

@@ -56,9 +56,7 @@ spec:
             - name: LDAP_TLS_ENFORCE
               value: "false"
             - name: LDAP_TLS_CIPHER_SUITE
-              value: "SECURE256:-VERS-SSL3.0"
-            - name: LDAP_TLS_PROTOCOL_MIN
-              value: "3.1"
+              value: "SECURE256:+SECURE128:-VERS-TLS-ALL:+VERS-TLS1.2:-RSA:-DHE-DSS:-CAMELLIA-128-CBC:-CAMELLIA-256-CBC"
             - name: LDAP_TLS_VERIFY_CLIENT
               value: "demand"
             - name: LDAP_REPLICATION

example/kubernetes/using-secrets/environment/my-env.yaml.startup

@@ -28,8 +28,7 @@ LDAP_TLS_KEY_FILENAME: ldap.key
 LDAP_TLS_CA_CRT_FILENAME: ca.crt
 
 LDAP_TLS_ENFORCE: false
-LDAP_TLS_CIPHER_SUITE: SECURE256:-VERS-SSL3.0
-LDAP_TLS_PROTOCOL_MIN: 3.1
+LDAP_TLS_CIPHER_SUITE: SECURE256:+SECURE128:-VERS-TLS-ALL:+VERS-TLS1.2:-RSA:-DHE-DSS:-CAMELLIA-128-CBC:-CAMELLIA-256-CBC
 LDAP_TLS_VERIFY_CLIENT: demand
 
 # Replication

image/environment/default.yaml.startup

@@ -28,8 +28,7 @@ LDAP_TLS_KEY_FILENAME: ldap.key
 LDAP_TLS_CA_CRT_FILENAME: ca.crt
 
 LDAP_TLS_ENFORCE: false
-LDAP_TLS_CIPHER_SUITE: SECURE256:-VERS-SSL3.0
-LDAP_TLS_PROTOCOL_MIN: 3.1
+LDAP_TLS_CIPHER_SUITE: SECURE256:+SECURE128:-VERS-TLS-ALL:+VERS-TLS1.2:-RSA:-DHE-DSS:-CAMELLIA-128-CBC:-CAMELLIA-256-CBC
 LDAP_TLS_VERIFY_CLIENT: demand
 
 # Replication

image/service/slapd/assets/config/tls/tls-enable.ldif

@@ -3,9 +3,6 @@ changetype: modify
 replace: olcTLSCipherSuite
 olcTLSCipherSuite: {{ LDAP_TLS_CIPHER_SUITE }}
 -
-replace: olcTLSProtocolMin
-olcTLSProtocolMin: {{ LDAP_TLS_PROTOCOL_MIN }}
--
 replace: olcTLSCACertificateFile
 olcTLSCACertificateFile: {{ LDAP_TLS_CA_CRT_PATH }}
 -

image/service/slapd/startup.sh

@@ -244,7 +244,6 @@ EOF
     sed -i "s|{{ LDAP_TLS_DH_PARAM_PATH }}|${LDAP_TLS_DH_PARAM_PATH}|g" ${CONTAINER_SERVICE_DIR}/slapd/assets/config/tls/tls-enable.ldif
 
     sed -i "s|{{ LDAP_TLS_CIPHER_SUITE }}|${LDAP_TLS_CIPHER_SUITE}|g" ${CONTAINER_SERVICE_DIR}/slapd/assets/config/tls/tls-enable.ldif
-    sed -i "s|{{ LDAP_TLS_PROTOCOL_MIN }}|${LDAP_TLS_PROTOCOL_MIN}|g" ${CONTAINER_SERVICE_DIR}/slapd/assets/config/tls/tls-enable.ldif
     sed -i "s|{{ LDAP_TLS_VERIFY_CLIENT }}|${LDAP_TLS_VERIFY_CLIENT}|g" ${CONTAINER_SERVICE_DIR}/slapd/assets/config/tls/tls-enable.ldif
 
     ldapmodify -Y EXTERNAL -Q -H ldapi:/// -f ${CONTAINER_SERVICE_DIR}/slapd/assets/config/tls/tls-enable.ldif 2>&1 | log-helper debug