ocilogon(): ORA-12170: TNS:Connect timeout occurred

Question

my configuration:

PHP

PHP 5.4.16

OCI8

OCI8 Support enabled OCI8 DTrace Support disabled OCI8 Version 2.0.11

Environment

LANG C

PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/instantclient

NOTIFY_SOCKET /run/systemd/notify

ORACLE_HOME /opt/instantclient

LD_LIBRARY_PATH /opt/instantclient

TNS_ADMIN /opt/instantclient/network/admin

XERCES_DISABLE_DTD 1

firewall

disable

issue

when i execute a php page with ocilogon:

ocilogon(): ORA-12170: TNS:Connect timeout occurred

but if i try telnet xxxx 1521 i can connect to the Db

my php code:

$test1 = "(DESCRIPTION =
         (ADDRESS_LIST =
         (ADDRESS = (PROTOCOL = TCP)(HOST = xxxxxx)(PORT = 1521))
         )
         (CONNECT_DATA = (SERVICE_NAME = yyy))
         )";

$conn=ocilogon(USERNAME,PASSWORD,$test1) or die ("logon problem");

i tryed with oci_connect, same result.

Answer 1

Found the problem.

i tried to connect to a oracle rac with 5 different ip. My network admin allow only 4 of 5.

So network issue, with tcpdump we find the problem.

thanks