bene@chaos [0] ~ $ rsync rsync://linux.rz.ruhr-uni-bochum.de/gentoo-portage/
Server name:             linux.rz.ruhr-uni-bochum.de
IP address:              134.147.32.114
Hardware:                2 x Intel(R) Xeon(TM) CPU @ 3.40 GHz, 3 GB RAM
Outgoing bandwidth:      throttled to 2.5 MByte/s 5 min average
User connection limit:   currently none
Server location:         Bochum, Ruhrgebiet, Germany
Administrative contact:  linux-support@ruhr-uni-bochum.de

rsync: on remote machine: -d: unknown option
rsync error: requested action not supported (code 4) at clientserver.c(473)
rsync: read error: Connection reset by peer (104)
rsync error: error in rsync protocol data stream (code 12) at io.c(759) [receiver=3.0.0pre8]