On Mon, May 28, 2018 at 10:26 AM, Andreas Schmid <user462...@gmail.com> wrote:
> Hi, > > I configured my PostgreSQL 10 DB on Debian 9.2 with LDAP authentication > (simple bind mode). While this basically works, it has the strange effect > that the first login with psql takes around 5 seconds. When I reconnect > within 60 seconds, the login completes immediately. > > The LDAP server is behind a firewall. So for a test, in pg_hba.conf I put > the LDAP servers IP address instead of its DNS name (for parameter > ldapserver). Like that, all logins complete immediately. But in general I > prefer specifying the DNS name rather than the IP. > > When I checked on the DB machine with the following commands > host my.ldap.server.org > dig my.ldap.server.org > both always returned the host name and IP address of the LDAP server > immediately. > Out of curiosity, what if you use "ping" rather than "dig" or "host"? Cheers, Jeff
