My Oracle Support Banner

How To Identify Clients IP Addresses Using HTTP Protocol Against HTTPS Port Causing OHS:2171 NZ Library Error: Unknown Error (Doc ID 2177063.1)

Last updated on OCTOBER 30, 2023

Applies to:

Oracle HTTP Server - Version and later
Information in this document applies to any platform.


Remote clients accessing Oracle HTTP Server(OHS) https port using http protocol can cause 'OHS:2171 NZ Library Error: Unknown error' to be recorded in OHS logfiles.

However, the client ip address is not recorded in any ohs log files.
Enabling dumpio debug will capture the client ip addresses.



To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.