On Sunday, 8 July 2012 02:44:40 UTC+8, William wrote: > > On Sat, Jul 7, 2012 at 11:34 AM, Dima Pasechnik <dimp...@gmail.com> > wrote: > > > > > > On Sunday, 8 July 2012 02:01:14 UTC+8, William wrote: > >> > >> On Sat, Jul 7, 2012 at 10:48 AM, Volker Braun <vbraun.n...@gmail.com> > >> wrote: > >> > On Saturday, July 7, 2012 6:40:48 PM UTC+1, William wrote: > >> >> > >> >> We were being hit by a DOS + portscan attack from China all morning, > >> > > >> > > >> > You mean baidu.com indexing trac? ;-) > >> > >> No. There are details at sagemath-users. > > > > > > perhaps it's time to disable password logins, and use RSA/DSA keys only? > > Or even something even more serious? > > Are there any good 2-factor authentication schemes for Linux shell > logins these days? > I don't know, but we even have professional cryptographers among us. :)
IMHO private/public keypairs are good enough for normal uses, and for emergencies, perhaps, something, say, mobile phone encryptor based, like the one Google started offering? > William > > > Dima > > > >> > >> > >> -- William > >> > >> > > >> > > >> > > >> > -- > >> > -- > >> > To post to this group, send an email to sage-devel@googlegroups.com > >> > To unsubscribe from this group, send an email to > >> > sage-devel+unsubscr...@googlegroups.com > >> > For more options, visit this group at > >> > http://groups.google.com/group/sage-devel > >> > URL: http://www.sagemath.org > >> > >> > >> > >> -- > >> William Stein > >> Professor of Mathematics > >> University of Washington > >> http://wstein.org > > > > -- > > -- > > To post to this group, send an email to sage-devel@googlegroups.com > > To unsubscribe from this group, send an email to > > sage-devel+unsubscr...@googlegroups.com > > For more options, visit this group at > > http://groups.google.com/group/sage-devel > > URL: http://www.sagemath.org > > > > -- > William Stein > Professor of Mathematics > University of Washington > http://wstein.org > -- -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org