Information

Title	1432 error with errno 0 connecting from PC clients to database on Linux

URL Name	P184826

Article Number	000133028

Environment	Product: Progress Version: 9.x Product: OpenEdge Version: 10.x, 11.x, 12.x OS: Linux

Question/Problem Description

1432 error connecting from PC clients to database on Linux.
Cannot connect to a database on a Linux Machine from a client on Windows machine with error (1432).
Unable to telnet to the Linux server on database port.

Steps to Reproduce

Clarifying Information

Stopping Windows Firewall service does not fix problem.

Able to telnet to the Linux machine on default telnet port.

Able to ping Linux server machine.

IFCONFIG on Linux server shows correct IP Address.

Tracert from PC to Linux server shows one hop.
Multiple PCs experiencing this problem.
Able to make localhost connection on Linux box to database.
Linux Server recently re-booted.

Error Message	** Could not connect to server for database <DATABASE>, errno 0. (1432)

Defect Number

Enhancement Number

Cause

Linux firewall is enabled by default on server reboot.
The iptables service for Linux firewall is set to autostart.

Resolution

OPTION1: Configure the Linux firewall to allow the ports necessary.

Which ports needs to be open on a firewall between a remote client and the database?

OPTION2: Disable the Linux firewall:

RHEL/CentOS 6/5/4

$ sudo service iptables stop

Since RHEL/CentOS 7/8, nftables replaces iptables:

$ sudo systemctl stop firewalld

Ubuntu:

$ sudo ufw disable

Workaround

Notes

Progress Article:

Error 1432 with 'errno 0' when try to connect client/server: First things to rule out.

Keyword Phrase

Last Modified Date	11/20/2020 6:51 AM

1432 error with errno 0 connecting from PC clients to database on Linux

Information