On 22/03/2008, Saifi Khan <[EMAIL PROTECTED]> wrote: > > On Sat, 22 Mar 2008, gv wrote: > > > hi friends, > > i got some error when i try to scan my entire network using nmap > > > > command is > > > > # nmap -PN 172.20.0-255.1-254 > netlog.txt. > > > > every thing seems to be fine up to some time, after scanning a few hosts > > nmap generating a error msg like > > > > RTTVAR has grown to over 2.3 seconds, decreasing to 2.0 > > > > and no hosts are scanned there after, some days ago it worked fine > > > > any one has any idea whats going on > > > > thanks in advance > > > > -- > > gv. > > > > Hi Venkatesh: > > The things that can impact are: > . slow network > . large subnet size > > RFC 2988 talks about the rules that govern the computation > of RTTVAR or round-trip time variation > > An old thread on nmap-dev discusses this > http://seclists.org/nmap-dev/2004/q2/0014.html > > thanks > Saifi. >
thanks saifi, is there any solution for this problem or we have to continue with it. gv
