# Connecting LDAP return \[LdapNetworkConnection\] null

**URL:** <https://community.graylog.org/t/connecting-ldap-return-ldapnetworkconnection-null/12747>\
**Category:** Graylog Central (peer support)\
**Created:** [November 13, 2019, 10:37am UTC](https://community.graylog.org/t/connecting-ldap-return-ldapnetworkconnection-null/12747 "2019-11-13T10:37:36Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![armando.basile](https://avatars.discourse-cdn.com/v4/letter/a/ce7236/32.png) [@armando.basile](https://community.graylog.org/u/armando.basile)\
**Post date:** [November 13, 2019, 10:37am UTC](https://community.graylog.org/t/connecting-ldap-return-ldapnetworkconnection-null/12747/1 "2019-11-13T10:37:36Z")

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Hi all,  
i trying to use LDAP for authentication in Graylog but i received always this error in file /var/log/graylog-server/server.log

[https://paste.fedoraproject.org/paste/U7zSUzBn9Gqeb7AnwmzU9Q](https://paste.fedoraproject.org/paste/U7zSUzBn9Gqeb7AnwmzU9Q)

in web interface it say: Connection to server was successful

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**Author:** ![tmacgbay](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/tmacgbay/32/3878_2.png) [@tmacgbay](https://community.graylog.org/u/tmacgbay)\
**Post date:** [November 13, 2019, 3:31pm UTC](https://community.graylog.org/t/connecting-ldap-return-ldapnetworkconnection-null/12747/2 "2019-11-13T15:31:19Z")

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“binding with user null” makes me wonder what your LDAP settings are… maybe post them?

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\
**Post date:** [November 27, 2019, 3:31pm UTC](https://community.graylog.org/t/connecting-ldap-return-ldapnetworkconnection-null/12747/3 "2019-11-27T15:31:21Z")

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