This is Perl module Perlbal::Plugin::StickySessions. INSTALLATION Perlbal::Plugin::StickySessions installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Perlbal::Plugin::StickySessions Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install Finally apply the modify_headers.patch to perlbal: % cat modify_headers.patch | patch -p0 DOCUMENTATION Perlbal::Plugin::StickySessions documentation is available as in POD. So you can do: % perldoc Perlbal::Plugin::StickySessions to read the documentation online with your favorite pager. Victor Igumnov