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Merge branch 'BirkhoffLee-patch-1' into release-1.4.0

Bertrand Gouny 5 years ago
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      README.md

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README.md

@@ -121,6 +121,14 @@ For more information about docker data volume, please refer to:
 
 > [https://docs.docker.com/engine/tutorials/dockervolumes/](https://docs.docker.com/engine/tutorials/dockervolumes/)
 
+#### Firewall issues on RHEL/CentOS
+Docker Engine doesn't work well with firewall-cmd and can cause issues if you're connecting to the LDAP server from another container on the same machine. You can fix this by running:
+```
+$ firewall-cmd --add-port=389/tcp --permanent
+$ firewall-cmd --add-port=636/tcp --permanent
+$ firewall-cmd --reload
+```
+Learn more about this issue at https://github.com/moby/moby/issues/32138
 
 #### Edit your server configuration