Alvaro Herrera <alvherre@xxxxxxxxxxxxxxxxx> writes: > Excerpts from Senthil Kumar G's message of mié jun 23 07:59:26 -0400 2010: >> I executed follows. I am able to ping. >> ping 127.0.0.1 > So can you ping localhost? I'm betting the problem is kernel-level filter rules that let through ping packets but not the stats collector traffic. The reason that the stats collector goes to such length to test the connection is that stuff like this isn't uncommon :-(. You need to look at your firewall packet filtering settings and back off the restrictions on localhost UDP traffic. regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin