http://www.eclipse.org/ Current version of Eclipse used for development is 3.0.1
http://eclipse-cs.sourceforge.net/ Eclipse Checkstyle Plug-in version 3.4.1
I'm using CVS over SSH, with the help of Putty and Public Key authentication as described @SF docs. This woks fine behind the firewall. To be able access the CVS-Repository from the same working copy using Eclipse together with the command line tools and TortoiseCVS, under Window->Preferences->Team->CVS->Ext Connection Method:
You can download and import this files:
basedirvariable add full path to jour project location.