Thanks Ruprecht, but I still can not figure out how the rule for that will look, is there any example? I want my firewall be persistent on port scanning, how write iptables rule ? Regards --- Ruprecht Helms <rhelms@xxxxxxxxx> wrote: > Elvir Kuric schrieb: > > Hi all, > > I am trying to implement proper firewall to my > > network using iptables > > and I have to admit that I am amazing by amount > of > > iptables features > > it offers. > > But I can not understand is there any way to > prevent > > port scanning > > using iptables? > > Yes by checking the tcp-flags. The connections are > not established > because only the port is checked if it is > reachabele. > > Regards, > Ruprecht > > ------------------------------------------------------------------- > Ruprecht Helms IT-Service & Softwareentwicklung > let worktools be individual > > Web: http://www.rheyn.de > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
