Re: Effective ways to deal with DDoS attacks?

2002-05-05 Thread Iljitsch van Beijnum
On Sun, 5 May 2002, Christopher L. Morrow wrote: like with single homed customers. The only time when those sets of prefixes is NOT the same is for a backup connection. But if a connection Not always the case, customer behaviour can not be accurately modeled. I was hoping someone

Re: Effective ways to deal with DDoS attacks?

2002-05-05 Thread Lincoln Dale
At 03:34 AM 5/05/2002 +, Christopher L. Morrow wrote: I was hoping someone else might mention this, BUT what about the case of customers providing transit for outbound but not inbound traffic for their customers? two methods: [1] if your customer has their own AS, have them route the

Re: anybody else been spammed by no-ip.com yet?

2002-05-05 Thread Bruce Campbell
On Sat, 4 May 2002, Forrest W. Christian wrote: Anyone who thinks that government can pass a law and this will go away is hopelessly naieve. The spammers will go overseas. Besides, if you look The spammers already use non-US machines in various ways to disguise their (still predominately)

Re: anybody else been spammed by no-ip.com yet?

2002-05-05 Thread todd glassey
The only way to catch and stop spammers is with horsepower and proactive mail policies. Sendmail is capable of being configured in a rigid manner and filters put in place, the problem is that most system hacks are not capable enough to manage the overhead of enforcing a filtration rule on each

Re: anybody else been spammed by no-ip.com yet?

2002-05-05 Thread Paul Vixie
There will be a day when folks will need to pay to transit email (Paul Vixie, 1998). Still working on that better mouse trap? well, other than that i wish i could charge _you_ for the spam i get that's due to the several MAILTO:[EMAIL PROTECTED]'s on your www.dotcomeon.com site, no. it's

Re: Per message costs of email (was: Re: anybody else been spammed by no-ip.com yet?)

2002-05-05 Thread Leo Bicknell
In a message written on Sat, May 04, 2002 at 04:36:40PM -0400, Scott A Crosby wrote: So far, other than Jared Mauch [EMAIL PROTECTED]'s calculation where he neither confirmed nor disputed $.02/email, I've yet to see *one* quantified per-message price bandied about.. It doesn't matter. I

RE: Effective ways to deal with DDoS attacks?

2002-05-05 Thread Barry Raveendran Greene
Be mindful that uRPF Strict Mode was created to help scale BCP 38 filtering. If you have 1000 lease line customers and can use uRFP Strict Mode on 80% of those customers, that is 80% fewer BCP38 ACLs that you need to manage. For the other 20% you have uRFP + BGP tweaks or plain old ACLs. But

Re: uRPF Loose Check Mode vs. ACL

2002-05-05 Thread Richard A Steenbergen
On Sun, May 05, 2002 at 11:55:21AM -0700, Livio Ricciulli wrote: In particular, I am interested in the ability of eliminating specific routes from the FIB under uRPF Loose Check Mode to effectively filter specific source addresses that are flooding. As I understand the concept,

Re: uRPF Loose Check Mode vs. ACL

2002-05-05 Thread Livio Ricciulli
Richard A Steenbergen wrote: On Sun, May 05, 2002 at 11:55:21AM -0700, Livio Ricciulli wrote: In particular, I am interested in the ability of eliminating specific routes from the FIB under uRPF Loose Check Mode to effectively filter specific source addresses that are flooding. As I

Re: e-postage yet again, was anybody else been spammed by no-ip.com yet?

2002-05-05 Thread Valdis . Kletnieks
On Sun, 05 May 2002 18:15:15 EDT, Nathan J. Mehl [EMAIL PROTECTED] said: people that this had happened to? I'd file a class-action liability suit against Microsoft for selling a defective product that lost my clients thousands of dollars. I suspect I'd have a good chance of winning, too.

Re: e-postage yet again, was anybody else been spammed by no-ip.com yet?

2002-05-05 Thread Nathan J. Mehl
In the immortal words of [EMAIL PROTECTED] ([EMAIL PROTECTED]): On Sun, 05 May 2002 18:15:15 EDT, Nathan J. Mehl [EMAIL PROTECTED] said: people that this had happened to? I'd file a class-action liability suit against Microsoft for selling a defective product that lost my clients

Re: IP renumbering timeframe

2002-05-05 Thread Randy Bush
Well how am I supposed to arrange a payment on a Sunday afternoon? As well I'd say I've already paid them more than enough to use their IPs - I never brought up a BGP session with them and never passed a single packet to them. I'm surprised to hear that such extortion techniques are

Re: IP renumbering timeframe

2002-05-05 Thread Ralph Doncaster
Well how am I supposed to arrange a payment on a Sunday afternoon? As well I'd say I've already paid them more than enough to use their IPs - I never brought up a BGP session with them and never passed a single packet to them. I'm surprised to hear that such extortion techniques