Interesting ports on www.had.ch (131.152.201.4):
(The 1 port scanned but not shown below is in state: closed)
Port       State       Service
80/tcp     open        http                    

No exact OS matches for host (If you know what OS is running on it, see http://www.insecure.org/cgi-bin/nmap-submit.cgi).
TCP/IP fingerprint:
SInfo(V=2.54BETA22%P=i386-unknown-freebsd4.0%D=12/29%Time=3C2E0CA2%O=80%C=6361)
TSeq(Class=TR%TS=0)
T1(Resp=Y%DF=Y%W=402E%ACK=S++%Flags=AS%Ops=MNWNNT)
T2(Resp=N)
T3(Resp=N)
T4(Resp=N)
T5(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=)
T6(Resp=N)
T7(Resp=N)
PU(Resp=Y%DF=N%TOS=0%IPLEN=38%RIPTL=148%RID=E%RIPCK=E%UCK=E%ULEN=134%DAT=E)




# Nmap run completed at Sat Dec 29 13:34:10 2001 -- 1 IP address (1 host up) scanned in 69 seconds