SSO between BEA WebLogic Server and SAP Enterprise Portal (Web Dynpro) using Web services

You’re looking for a way to consume Web services in SAP NetWeaver 2004s (and SAP Composition Environment aka NetWeaver 7.1) from BEA WebLogic Server 8.1 (and newer versions) using Single Sign On (SSO)? You may have figured out already that SAML is not an option here because the SAP side is just a SAML consumer …

Banning “problem countries” from your Linux server

It’s not a secret that these days most server hacking attempts originate from chinese IP addresses. A lot of attempts originate from other countries like South Korea and Indonesia as well. It seems that in those countries (cyber-)law-enforcement and technological advancement don’t correlate. I agree that a server has to be able to sustain non-flooding …

SSO with SAP Logon Tickets and Java

To validate/verify a SAP Logon Ticket in a non-SAP Java environment you have to call into native libraries. Fortunately there’s some Java sample code provided in the SAPSSOEXT library archive. Go to service.sap.com (you need a valid user and download permissions) -> Download -> Support Packages and Patches -> Entry by Application Group -> Additional …

Setting up a Linux UT3 game server

While the installation of the Linux binary for the Unreal Tournament 3 Server is dead simple, some very brave game server administrators apparently chose to run the server with root permissions because there’s no useful server start script. This usually is an exceptionally bad idea for everything that opens ports on an Internet server. Here’s …