Date: 5 May 2001 21:02:03 -0700 From: psglenn@uswestmail.net To: freebsd-stable@FreeBSD.org Subject: Re:ISN number prediction Message-ID: <20010506040203.14356.cpmta@c000.sfo.cp.net>
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>Jason DiCioccio wrote >perhaps -O with -v flags big> uname -a FreeBSD big.psf.his.org 4.3-STABLE FreeBSD 4.3-STABLE #11: Thu May 3 17:26:03 PDT 2001 root@big.psf.his.org:/usr/src/sys/compile/BIG i386 root@big> nmap -O -v big Starting nmap V. 2.54BETA22 ( www.insecure.org/nmap/ ) Host big.psf.his.org (192.168.0.1) appears to be up ... good. Initiating Connect() Scan against big.psf.his.org (192.168.0.1) <snip> 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--freebsd4.3%D=5/5%Time=3AF4CA3C%O=21%C=1) TSeq(Class=TR%IPID=I%TS=U) T1(Resp=Y%DF=Y%W=C08A%ACK=S++%Flags=AS%Ops=M) T2(Resp=N) T3(Resp=Y%DF=Y%W=C08A%ACK=S++%Flags=AS%Ops=M) T4(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=) T5(Resp=Y%DF=N%W=0%ACK=S++%Flags=AR%Ops=) T6(Resp=Y%DF=N%W=0%ACK=O%Flags=R%Ops=) T7(Resp=Y%DF=N%W=0%ACK=S%Flags=AR%Ops=) PU(Resp=Y%DF=N%TOS=0%IPLEN=38%RIPTL=148%RID=E%RIPCK=E%UCK=0%ULEN=134%DAT=E) TCP Sequence Prediction: Class=truly random Difficulty=9999999 (Good luck!) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ IPID Sequence Generation: Incremental Nmap run completed -- 1 IP address (1 host up) scanned in 18 seconds the above dificulty seems reasonable to me. PS Glenn That's all for now. Signup for your free USWEST.mail Email account http://www.uswestmail.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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