Re: trying to connect to pg from within a local network

From: "Albretch Mueller" <lbrtchx(at)gmail(dot)com>
To: pgsql-jdbc(at)postgresql(dot)org, "Albe Laurenz" <laurenz(dot)albe(at)wien(dot)gv(dot)at>
Subject: Re: trying to connect to pg from within a local network
Date: 2008-01-16 17:58:58
Message-ID: 9ef66fac0801160958x20ee181ejcfb6f54c45b1be35@mail.gmail.com
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> You should have the following in postgresql.conf: listen_addresses = '127.0.0.1,10.0.31.5'
~
I did change it
~
> Allowing certain client IP addresses is done in pg_hba.conf.
~
OK, I did too, this is how my /data/pg_hba.conf looks like:
~
# TYPE DATABASE USER CIDR-ADDRESS METHOD

# IPv4 local connections:
host all all 127.0.0.1/32,10.0.31.62 md5
# IPv6 local connections:
#host all all ::1/128 md5
~
> Try the following on the client: telnet 10.0.31.5 5432
~
C:\>telnet 10.0.31.5 5432
Connecting To 10.0.31.5...Could not open connection to the host, on
port 5432: Connect failed

C:\>ping 10.0.31.5

Pinging 10.0.31.5 with 32 bytes of data:

Reply from 10.0.31.5: bytes=32 time<1ms TTL=128
Reply from 10.0.31.5: bytes=32 time<1ms TTL=128
Reply from 10.0.31.5: bytes=32 time<1ms TTL=128
Reply from 10.0.31.5: bytes=32 time<1ms TTL=128

Ping statistics for 10.0.31.5:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

~
> Try the following on the server: netstat -a
~
on the server:
~
C:\Documents and Settings\Administrator>netstat -a

Active Connections

Proto Local Address Foreign Address State
TCP BNG-04:epmap BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:microsoft-ds BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:1043 BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:3389 BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:4899 BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:netbios-ssn BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:1059 10.0.31.5:microsoft-ds ESTABLISHED
TCP BNG-04:1048 BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:1093 localhost:5432 ESTABLISHED
TCP BNG-04:5432 BNG-04.exchange.goodwillny.org:0 LISTENING
TCP BNG-04:5432 localhost:1093 ESTABLISHED
UDP BNG-04:microsoft-ds *:*
UDP BNG-04:isakmp *:*
UDP BNG-04:1025 *:*
UDP BNG-04:1026 *:*
UDP BNG-04:1058 *:*
UDP BNG-04:2967 *:*
UDP BNG-04:4500 *:*
UDP BNG-04:ntp *:*
UDP BNG-04:netbios-ns *:*
UDP BNG-04:netbios-dgm *:*
UDP BNG-04:1900 *:*
UDP BNG-04:ntp *:*
UDP BNG-04:1028 *:*
UDP BNG-04:1041 *:*
UDP BNG-04:1900 *:*
~
> Is there a firewall involved?
~
Not from my box, which is a client to pg
~
//__ "netstat -a" on my client box
C:\>netstat -a

Active Connections

Proto Local Address Foreign Address State
TCP BNG-2008:microsoft-ds BNG-2008.exchange.goodwillny.org:0 LISTENING
TCP BNG-2008:netbios-ssn BNG-2008.exchange.goodwillny.org:0 LISTENING
TCP BNG-2008:1144 gwdcbke1.exchange.goodwillny.org:1025 ESTABLISHED
TCP BNG-2008:1152 10.0.31.5:netbios-ssn ESTABLISHED
TCP BNG-2008:1262 mailserver.exchange.goodwillny.org:2128 ESTABLISHED
TCP BNG-2008:1341 exchange-i.exchange.goodwillny.org:9090 CLOSE_WAIT
TCP BNG-2008:1342 exchange-i.exchange.goodwillny.org:9090 CLOSE_WAIT
TCP BNG-2008:1396 exchange-i.exchange.goodwillny.org:9090 ESTABLISHED
TCP BNG-2008:1408 exchange-i.exchange.goodwillny.org:9090 ESTABLISHED
TCP BNG-2008:1044 BNG-2008.exchange.goodwillny.org:0 LISTENING
TCP BNG-2008:1153 localhost:1154 ESTABLISHED
TCP BNG-2008:1154 localhost:1153 ESTABLISHED
TCP BNG-2008:1155 localhost:1156 ESTABLISHED
TCP BNG-2008:1156 localhost:1155 ESTABLISHED
TCP BNG-2008:5432 BNG-2008.exchange.goodwillny.org:0 LISTENING
UDP BNG-2008:microsoft-ds *:*
UDP BNG-2008:isakmp *:*
UDP BNG-2008:1025 *:*
UDP BNG-2008:1026 *:*
UDP BNG-2008:1145 *:*
UDP BNG-2008:2967 *:*
UDP BNG-2008:4500 *:*
UDP BNG-2008:ntp *:*
UDP BNG-2008:netbios-ns *:*
UDP BNG-2008:netbios-dgm *:*
UDP BNG-2008:1900 *:*
UDP BNG-2008:ntp *:*
UDP BNG-2008:1029 *:*
UDP BNG-2008:1031 *:*
UDP BNG-2008:1042 *:*
UDP BNG-2008:1058 *:*
UDP BNG-2008:1900 *:*

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