Re: Article on spammers and their infrastructure

2010-01-02 Thread Suresh Ramasubramanian
While not at all touching the accuracy of knujon's stats with a bargepole, it would be interesting if some process were developed to deaccredit or otherwise kill off the shell registrars .. and the bogus LIRs (which is how the thread started). On Thu, Dec 31, 2009 at 10:02 PM, Eric Brunner-William

Re: Are the Servers of Spamhaus.rg and blackholes.us down?

2010-01-02 Thread Suresh Ramasubramanian
If our friend here is checking for spamhaus.rg he's out of luck. I am sure he'll have better luck checking for spamhaus.ORG instead --srs On Thu, Dec 31, 2009 at 6:41 PM, John Peach wrote: > On Thu, 31 Dec 2009 12:28:41 +0100 (CET) > Raymond Dijkxhoorn wrote: > >> > Are this Blacklistservers s

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Kevin Hodle
On Fri, Jan 1, 2010 at 4:52 PM, Mike wrote: > I am looking at the possibility of leasing a ~70 mile run of fiber. I don't > have access to any mid point section for regeneration purposes, and so I am > wondering what the chances that a 120km rated SFP would be able to light the > path and provide

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Mikael Abrahamsson
On Sat, 2 Jan 2010, Justin M. Streiner wrote: Some OTDRs (or, more correctly, fiber test sets that include OTDR capabilities) are multi-function devices that will show you the overall length (assuming the span is not broken somewhere in the middle), of the span, plus attenuation and reflection

Re: Consumer-grade dual-homed connectivity options?

2010-01-02 Thread Steven King
You would need at least one router for this. Personally I would connect both DSL modems into a small Cisco router or multi-layer switch. Use that router as the default gateways for each LAN and have two static routes as the default gateway on the router to specify each DSL line. This would allow f

Re: Consumer-grade dual-homed connectivity options?

2010-01-02 Thread Scott Weeks
--- paul.w.benn...@gmail.com wrote: From: "Paul Bennett" At home, I currently run two DSL lines. Right now, we just have two separate LANs, one connected to each line, with my wife's devices attached to one, and my devices attached to the other. For a while now, I've been thinking about s

Re: RBN and it's spin-offs

2010-01-02 Thread Tony Finch
On Wed, 30 Dec 2009, Paul Ferguson wrote: > > ...but as of the first of the year, alas, Krebs is no longer working for WaPo: You can continue to follow his work at http://www.krebsonsecurity.com/ Tony. -- f.anthony.n.finchhttp://dotat.at/ GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR RO

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Nick Hilliard
On 02/01/2010 18:37, Justin M. Streiner wrote: > I'm a big believer in running my own tests when possible, and not just > relying on $provider's word. It also allows me to verify what their > engineering reports tell me about the condition of a span. +1 There's nothing like having hard data to s

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Justin M. Streiner
On Sat, 2 Jan 2010, Mikael Abrahamsson wrote: On Fri, 1 Jan 2010, Justin M. Streiner wrote: The first thing you need to do is test the fiber with an OTDR. If you don't have one, you can probably contract a local cabling company to test it for you. Why would you want an OTDR report on the

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Michael K. Smith
On 1/2/10 2:58 AM, "Mikael Abrahamsson" wrote: > On Fri, 1 Jan 2010, Justin M. Streiner wrote: > >> The first thing you need to do is test the fiber with an OTDR. If you >> don't have one, you can probably contract a local cabling company to >> test it for you. > > Why would you want an OTD

RE: dark fiber and sfp distance limitations

2010-01-02 Thread Carlos Alcantar
In my experience in leasing dark fiber strands over long distance the providers usually give the option for regen colo space. And in some cases they wanted to know full specs of the equipment you are going to be using so there is no questions if it will work or not. Carlos Alcantar Race Telecomm

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Rene Avi
On 02.01.2010 13:22, Richard A Steenbergen wrote: On Sat, Jan 02, 2010 at 12:35:15PM +0100, Rene Avi wrote: With regards to suggested EDFA amplification tricks and similar: If the requirement is not > 15...@1g or 8...@10g/DWDM then I personally strongly disencourage the use of optical amps. 200k

2009 IPv6 Address Use Report

2010-01-02 Thread Iljitsch van Beijnum
[ (Non-cross)posted to NANOG, PPML, RIPE IPv6 wg, Dutch IPv6 TF. Web version for the monospace font impaired and with some links: http://www.bgpexpert.com/addrspace-ipv6-2009.php ] 2009 IPv6 Address Use Report Since 2005, I've been compiling an IPv4 address use report every year. With the start

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Richard A Steenbergen
On Sat, Jan 02, 2010 at 12:35:15PM +0100, Rene Avi wrote: > With regards to suggested EDFA amplification tricks and similar: If > the requirement is not > 15...@1g or 8...@10g/DWDM then I personally > strongly disencourage the use of optical amps. 200km / 41dB 1G SFPs > are available with costs way

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Rene Avi
On 02.01.2010 02:10, William Herrin wrote: On Fri, Jan 1, 2010 at 7:24 PM, ML wrote: Pardon my ignorance in this area but is too much to ask for OTDR data before signing contracts? In addition to data on the make of the fiber if you wanted to do xWDM in the future. Yes, it's too much to ask.

Re: dark fiber and sfp distance limitations

2010-01-02 Thread Mikael Abrahamsson
On Fri, 1 Jan 2010, Justin M. Streiner wrote: The first thing you need to do is test the fiber with an OTDR. If you don't have one, you can probably contract a local cabling company to test it for you. Why would you want an OTDR report on the fiber, when an attenuation report is probably mo