I inserted the following in my pg_hba.conf to test, but it does not work: host replication rep_user 0.0.0.0/0 trust host all postgres 0.0.0.0/0 trust thank you in advance, Sven
WAL sender process starts when streaming client is active. The connection is initiated by the client. That's why you cannot see it. It also uses the TCP-port that is used by any other pg client. There is a special entry in the pg_hba.conf for the replication clients. Refer to this please: http://www.postgresql.org/docs/9.4/static/auth-pg-hba-conf.html. cheers Matthias
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