> > Thus an 87382-node botnet can break an average password with 18 bits > > of entropy* by the end of the day, with three attempts from each IP. > > > Many times? If "many" is 35 times per day for 20 years, that makes > > for about 255675 attempts: barely enough to break that 18-bit entropy > > password, let alone a strong one. OTOH, a million-node botnet could > > easily afford a few thousands attempts per day, from different IP > > addresses, without being noticed. It would crack most passwords in a > > few months.
On 16.02.11 20:48, Michelle Konzack wrote: > Hehe, in 2009 (some of my servers are in Khoy/Iran) I have gotten massiv > hack attempts but my 7600 has blocked the crap successfuly. > > Unfortunately Linux can not do that. And that's why we'd like to have possibility to ban based on something different than just IP. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. It's now safe to throw off your computer. ------------------------------------------------------------------------------ Free Software Download: Index, Search & Analyze Logs and other IT data in Real-Time with Splunk. Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ courier-users mailing list courier-users@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
