0006054: mod_caucho drops request parameters when used behind a SSL termination

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Category

Severity

Reproducibility

Date Submitted

Last Update

0006054

[Resin]

minor

always

05-05-17 11:02

07-20-17 14:03

Reporter

wileysaw

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Status

closed

Product Version

4.0.47

Summary

0006054: mod_caucho drops request parameters when used behind a SSL termination

Description

Project that involves both Resin 4.x and WebSphere App Server 8.5.x

In front of both servers we have an IBM HTTP server configured with IBM WebSphere Plug-in and mod_caucho.

We have noticed that as long as mod_caucho is active, requests sent to WebSphere are stripped from parameters:

That means that a system out on HttpServletRequest.getParameterNames() in the WebSphere application, would return "" as long as mod_caucho is loaded in the front-end HTTP server.

mod_caucho would intefere in this scenario

INTERNET->HTTPS:443->SSL OFFLOADER->DMZ1->HTTP:80->HTTP SEVER (+mod_caucho + was_plugin)->DMZ2->HTTP:9080->WEBSPHERE SERVER (receives HTTP request with HTTP missing parameters)

mod_caucho would NOT intefere in this scenario:

INTERNET->HTTPS:443->SSL OFFLOADER->DMZ1->HTTPS:443->HTTP SEVER (+mod_caucho + was_plugin)->DMZ2->HTTP:9443->WEBSPHERE SERVER (receives HTTP request with HTTP missing parameters)

Additional Information

Additionally, I have verified that removing the mod_caucho and replacing it with a standard reverse proxy allowed me to correctly route request to both WebSphere and Resin

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Issue History
Date Modified	Username	Field	Change
05-05-17 11:02	wileysaw	New Issue
07-20-17 14:03	ferg	Assigned To	=> ferg
07-20-17 14:03	ferg	Status	new => closed
07-20-17 14:03	ferg	Resolution	open => fixed
07-20-17 14:03	ferg	Fixed in Version	=> 4.0.54

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