* Michelle Konzack schrieb: > Schon mal was von nmap gehört ? > Das braucht keine 3 Sekunden um das OS herauszufinden [FreeBSD Kernel-Konfiguration] | # TCP_DROP_SYNFIN adds support for ignoring TCP packets with SYN+FIN. | # This prevents nmap from identifying the TCP/IP stack, but breaks | # support for RFC1644 extensions and is not recommended for web | # servers. | # | options TCP_DROP_SYNFIN Gruß, Thomas