Probably, "match protocol" is a regular expression where . means any character and \. is an escape sequence meaning a period. Justin Pryzby On Thu, May 01, 2003 at 01:27:00PM -0500, Jim Dueltgen wrote: > > > I've been working recently with Cisco's Network Based Application > Recognition (NBAR) trying to keep Kazaa traffic under control in a > multi-tenant installation and I've only ever found this snippet in > the documentation: > > 2. KaZaA version 2 might use port 80 to get around the Firewall. You > can control it be adding > > match protocol http url \.hash=* > > I'm not sure about the \ vs / as it shows in your logs and as one > would expect to see in a URL but the above is what's in Cisco's > documentation. My understanding is that the actual download of a > file via kazaa v2 happens over port 80 in an attempt to get around > passive packet filtering firewalls. > > Regards, > > Jim Dueltgen > LMi.net > > At 9:54 AM -0400 4/30/03, Keith Bergen wrote: > >I have seen log entries in the form: > >dormtw.isu.edu.tw - - [29/Apr/2003:22:04:17 - > >0400] 'GET /.hash=8a8a30842bc6698dd1cbcb31191fc9e76018ea4c > >HTTP/1.1' 404 323 > >dormtw.isu.edu.tw - - [29/Apr/2003:22:04:22 - > >0400] 'GET /.hash=355bcee01e59b87d9cc33d4ae3cc8edf5f022d2a > >HTTP/1.1' 404 323 > >dormtw.isu.edu.tw - - [29/Apr/2003:22:04:24 - > >0400] 'GET /.hash=51f6ec2b496fa6fac83a88d7978321c7b64a5969 > >HTTP/1.1' 404 323 > > > >I looked at past posts, and one indicates that this might be > >KaZaa traffic. The other post indicated it was 'WinMX'. Can > >somebody expand on this? For example, what is WinMX? Also, > >why would KaZaa connect to port 80? > > > >Thanks, > >Keith. > > > >---------------------------------------------------------------------------- > >Attend Black Hat Briefings & Training Europe, May 12-15 in Amsterdam, the > >world's premier event for IT and network security experts. The two-day > >Training features 6 hand-on courses on May 12-13 taught by professionals. > >The two-day Briefings on May 14-15 features 24 top speakers with no vendor > >sales pitches. Deadline for the best rates is April 25. Register today to > >ensure your place. http://www.securityfocus.com/BlackHat-incidents > >---------------------------------------------------------------------------- > > > ---------------------------------------------------------------------------- > Attend Black Hat Briefings & Training Europe, May 12-15 in Amsterdam, the > world's premier event for IT and network security experts. The two-day > Training features 6 hand-on courses on May 12-13 taught by professionals. > The two-day Briefings on May 14-15 features 24 top speakers with no vendor > sales pitches. Deadline for the best rates is April 25. Register today to > ensure your place. http://www.securityfocus.com/BlackHat-incidents > ---------------------------------------------------------------------------- > ---------------------------------------------------------------------------- Attend Black Hat Briefings & Training Europe, May 12-15 in Amsterdam, the world's premier event for IT and network security experts. The two-day Training features 6 hand-on courses on May 12-13 taught by professionals. The two-day Briefings on May 14-15 features 24 top speakers with no vendor sales pitches. Deadline for the best rates is April 25. Register today to ensure your place. http://www.securityfocus.com/BlackHat-incidents ----------------------------------------------------------------------------
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