Re: Interesting new spam technique - getting a lot more popular.

hosters. -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: cogent+ Level(3) are ok now

of customers wanting broadband in the first place is a bit sloppy, no? Erik -- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: multi homing pressure

connections to a Tier-2 rather than a Tier-1, with minimum capacity and pricing being the most important ones. -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Regulatory intervention (Redux: Who is a Tier 1?)

IX's has nog benefits compared to the current IX's. AMS-IX, DE-CIX, LINX, etc. etc are open to everyone wanting to connect, that's public enough for me, without having to be goverment controlled. -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http

Re: Regulatory intervention (Redux: Who is a Tier 1?)

On Thu, 2005-10-06 at 12:44 -0400, William Allen Simpson wrote: Erik Haagsman wrote: On Thu, 2005-10-06 at 11:56 -0400, William Allen Simpson wrote: This partitioning is exactly what we predicted in many meetings when discussion the terms of the contracts. Markets are inefficient

Re: Regulatory intervention (Redux: Who is a Tier 1?)

the list and pitch in when I felt like doing so. -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Regulatory intervention

provider networks. The other possible benefit is to develop more sophisticated interconnect variants such as MPLS VPN interconnects and CDN or multicast interconnects. --Michael Dillon -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we

Re: Regulatory intervention

. -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Public Works Peering

in pieces. Cheers, Erik -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Regulatory intervention (Redux: Who is a Tier 1?)

member regulated...? -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Hope this isnt a redundant question : Cisco IOS Netflow analysis mechanisms?

information inside NetFlow V5. If you're not sure yet which metrics you'll be looking for always collect NetFlow V5 to prevent ending up with flows that don't contain the information you might need in the future. Hope this helps, Erik -- Erik Haagsman Network Architect We Dare BV tel

Re: Tools classifying network traffic to applications

://asia.messenger.yahoo.com -- --- Erik Haagsman Network Architect We Dare BV Tel: +31(0)10-7507008 Fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Boing Boing: Michael Lynn's controversial Cisco security presentat ion

in their decision making. How on earth are you gonna try to maintain the image of an independent security company after a clear case of politics and behind-the-scenes shennenigans like these...? Erik -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http

Re: OSPF -vs- ISIS

from switching and are you building a case round that and if not, why switch...? Switching IGP in a non-trivial network isn't something you'd want to do unless you've got a clear motive and it gives you some operational advantage... Cheers, -- --- Erik Haagsman Network Architect We Dare BV Tel: +31

Nortel

Looking for some advice regaring Nortel Optera SW versions and SP boards, please reply off-list (and no...not for free, hourly rate is no prob :-) Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: Proper authentication model

of 2600's or similar devices with basic rate interfaces on each location shouldn't be your biggest worry at the moment you actually need them. CHeers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: IBGP Question --- Router Reflector or iBGP Mesh

, though you'd want every non-RR router to be a RR client and every RR to behave like an RR client to RR's in other clusters, so you'd have a reasonably uniform view of the network. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http

RE: IBGP Question --- Router Reflector or iBGP Mesh

would seem to be useful in your set-up. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: IBGP Question --- Router Reflector or iBGP Mesh

starts groing and you start deploying a more complex edge/core based topology. I don't think this is a reason to not use reflection as oppossed to full mesh. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

RE: IBGP Question --- Router Reflector or iBGP Mesh

-- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: BIND + DLZ

w/ dlz patch? Hit me up off-list. /m -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: Make love, not spam....

I agree and I'm surprised you even mentioned the wordt justice...since when is retaliating bad practices with more bad practises that are hardly likely to take out the real target considered a good idea..? Erik Paul G wrote: spammer buys hosting account, pays with fraudulent credit card,

Re: Energy consumption vs % utilization?

, whether they physically fully utilize their power or not. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Energy consumption vs % utilization?

-ME-36, http://www.nac.net -- -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Blackhole Routes

blackholing allows your upstream to filter it for you throughout his network, reducing the risk of congested links. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

RE: Cisco moves even more to china.

-- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

RE: Cisco moves even more to china.

or another, or at least uses loads of low-priced parts (memory, IC's etc.) that are manufactured in those same places. There's no escaping it if you're working in networking and IT. Kind regards, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http

Re: Cisco moves even more to china.

, they just make really crappy operating systems. - Linus Torvalds -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: Cisco moves even more to china.

get a basic config going on a few nodes, but when troubleshooting time comes it's useless without good knowledge of the underlying technology, which none of the vendor certs teach very well (IMHO anyway ;-) Cheers, Erik -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax

Re: Log Analizing tool for Cisco and Juniper router (switch)

__ Do You Yahoo!? Log on to Messenger with your mobile phone! http://sg.messenger.yahoo.com -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Today's Internet

On Wed, 2004-06-09 at 09:07, John Obi wrote: Are we part of the Today's Internet mess? http://www.internetnews.com/bus-news/article.php/3365491 That guy should stick to writing SciFi...he's seems to be very good at it. -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008

Re: Real-Time Mitigation of Denial of Service Attacks Now Available With ATT

at the end of it's lifecycle anyway. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Real-Time Mitigation of Denial of Service Attacks Now Available With ATT

equipment that's at the end of it's lifecycle anyway. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Real-Time Mitigation of Denial of Service Attacks Now Available With ATT

On Wed, 2004-06-02 at 19:32, Jeff Aitken wrote: On Wed, Jun 02, 2004 at 06:00:38PM +0200, Erik Haagsman wrote: Only very small ISPs relying on 36xx's or multilayer switching instead of larger, more powerful might be still valid cases where ACL's are a problem. Interesting assertion

Re: Real-Time Mitigation of Denial of Service Attacks Now Available With ATT

. But those aren't the ISPs generating 80% of all useless traffic, it's the big boys that have plenty of hardware to burn that refuse to do anything about it. IMHO, there is absolutely no excuse for not doing ingress and egress filtering. Hear hear -- --- Erik Haagsman Network Architect We Dare

Re: Port 5000

out what it is except to say norton AV detects nothing yet. Anyone have a clue? http://isc.incidents.org/port_details.php?isc=b4827221b7f45feeb0c12bc5040cab c9port=5000repax=1tarax=2srcax=2percent=Ndays=10Redraw=Submit+Query the jump in traffic is obvious. Geo. -- --- Erik Haagsman

Re: Anti-Spam Router -- opinions?

this could be a more or less hassle free way of controlling mail connection rates without burdening 99% of all users. Regards, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Anti-Spam Router -- opinions?

for the user, apart from occasional delivery delay. Regards, -- --- Erik Haagsman Network Architect We Dare BV tel: +31(0)10 7507008 fax:+31(0)10 7507005 http://www.we-dare.nl

Re: Problems with .de abuse

router interfaces doesn't make it any better :-) -- Erik Haagsman Network Architect We Dare BV tel: +31(0)10-7507008 fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Firewall opinions wanted please

not bulletproof (and could potentially contain a gut itself) but it provides additional security, regardless of authenticaion of connections. -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: Firewall opinions wanted please

the actual security holes only get bigger and harder to track. -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: Replacement for a Extreme Black Diamond 6808

with an M4 blade, their L3 code is much more mature than Extreme's, but when it comes to raw performance try to avoid those scenarios and just let the BD do Layer2. Their L3 might be crap, but they scream at L2. Cheers, -- Erik Haagsman Network Architect We Dare BV tel: +31(0)10-7507008 fax: +31

Re: How relable does the Internet need to be?

/attachmatch/DOC-243851A1.pdf /John -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: UUNet Offer New Protection Against DDoS

and going. I haven't seen any major press-releases on actually solving the problem instead of hiding it... (granted...I haven't put out one either :-) Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

Re: UUNet Offer New Protection Against DDoS

, Erik paul -- --- Erik Haagsman Network Architect I haven't seen any major press-releases on actually solving the problem instead of hiding it... (granted...I haven't put out one either :-) We Dare BV tel: +31.10.7507008 fax: +31.10.7507005 http://www.we-dare.nl

RE: Converged Networks Threat (Was: Level3 Outage)

, since this is where redundancy comes in. Even if all services run over the same fibre paths, there isn't any problem as long as there's a sufficient number of alternative paths in case any of the paths goe down. Cheers, -- --- Erik Haagsman Network Architect We Dare BV tel: +31.10.7507008 fax

RE: possible L3 issues

? - Keith -- Erik Haagsman Network Architect We Dare BV tel: +31(0)10-7507008 fax: +31(0)10-7507005 http://www.we-dare.nl

Re: Good network sniffer?

tcpdump + Ethereal for *nix, best tool in de biz if you ask me...and free too. Cheers, Erik On Mon, 2004-01-12 at 21:48, Borger, Ben wrote: Hi Nanog, Can anyone recommend a good network monitor that can replay captured packets? Windows or *nix. Free is great, commercial is ok too.