According to the upstream bug report on sourceforge, this bug has been fixed in 2.5b2, and the fix will be backported to the next 2.4 maintenance release.
-- Cannot use high-numbered sockets in 2.4.3 https://launchpad.net/bugs/48301 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs