Jann,
I don't understand but I really want secure relays. All my relays are on VPSs running Debian 6/7 64 and I only know enough Linux to get Tor going. Is being updated enough? If not would you explain how to remedy the problem you've outlined as it seems quite serious?
Robert
another OS (or a newer version of the one you're using).
https://en.wikipedia.org/wiki/Idle_Scan says:
The latest versions of Linux, Solaris, OpenBSD, and Windows Vista are not suitable as zombie, since the IPID has been implemented with patches[4] that randomized the IP ID.[1]