There's a number of options that you can change in postgresql without having to restart the whole server. http://www.postgresql.org/docs/9.3/static/auth-pg-hba

There's a number of options that you can change in postgresql without having to restart the whole server. http://www.postgresql.org/docs/9.3/static/auth-pg-hba-conf.html http://www.postgresql.org/docs/9.3/static/auth-pg-hba-conf.h... explains that you can just do a reload after changing pg_hba.conf. http://www.postgresql.org/docs/9.3/static/config-setting.html http://www.postgresql.org/docs/9.3/static/config-setting.htm... explains more.