Re: Time Warner Cable issues in Ohio ?

2012-02-28 Thread Jonas Frey (Probe Networks)
Sounds very much like an issue with a link aggregation. Seen this a couple of times with various carriers...apparently monitoring lag's isnt a top priority nowadays. Try to find out which hop is causing the problems (do multiple traceroute's or use mtr on affected and unaffected servers) and drop

Saudi Telecom sending route with invalid attributes 212.118.142.0/24

2011-09-08 Thread Jonas Frey (Probe Networks)
Hello, anyone else getting a route for 212.118.142.0/24 with invalid attributes? Seems this is (again) causing problems with some (older) routers/software. Announcement bits (4): 0-KRT 3-KRT 5-Resolve tree 1 6-Resolve tree 2 AS path: 6453 39386 25019 I

Re: Over a decade of DDOS--any progress yet?

2010-12-06 Thread Jonas Frey (Probe Networks)
Besides having *alot* of bandwidth theres not really much you can do to mitigate. Once you have the bandwidth you can filter (w/good hardware). Even if you go for 802.3ba with 40/100 Gbps...you'll need alot of pipes. Spoofed attacks have reduced significally probably because the use of RPF.

Re: Only 5x IPv4 /8 remaining at IANA

2010-10-18 Thread Jonas Frey (Probe Networks)
How do you want to do that without IPv6 connectivity? :-) -Jonas Am Montag, den 18.10.2010, 18:42 +0430 schrieb Jeffrey Lyon: Only if you're prepared for the bloody onslaught of DDoS. Jeff On Mon, Oct 18, 2010 at 6:27 PM, Patrick W. Gilmore patr...@ianai.net wrote: On Oct 18, 2010, at