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Ok now you're just talking ****, there's no way to handle every connection in the world at once, and the root nameservers don't handle normal user requests anyway :rolleyes:Quote:
Originally Posted by Mentor
They've almost been taken down by a large botnet in the asia-pacific region.
I don't see two of the servers suffering badly as them all being almost taken down?Quote:
Originally Posted by Jewish Bear
Far too boring, the US love wasting their money and being more and more in debt, not to mention killing loads of harmless people who have the misfortune to be within a mile of the building where these "attackers" are :PQuote:
Originally Posted by Voiding
As Jordy pointed out, the attacks would be coming from computers scattered all over the place. I'd be concerned if the US actually bombed every country in the hopes of finding these places, let alone the US going to war with another country just by bombing.
But that is of course, if the wikipedia article is correct :P
Uh I meant a few, sorry. Not been awake all that long :(Quote:
Originally Posted by N!ck
I never claimed it would? All they do is resolve tld o.0 Once thats done, the root servers arnt involved in any more of the connection?Quote:
Originally Posted by Jewish Bear
Hence handling dns for every request from pc's all over the world aint as huge a job as it sounds, there are billions of pc's yes, but it takes a minute amount of processing for each one and the root servers are pretty danm powerful machines.
They aint exactly going to be involved in streaming you media, serving you webapges or anything else o.0
They resolve TLDs for the ISP's nameserver if it needs caching, then it's always taken from the ISP's cached copy. I'm pretty certain users never query root nameservers ever, it's all done through the ISP nameserver.Quote:
Originally Posted by Mentor
And yes you did claim (or imply) it would
They're not designed for that at all, and they're not that powerful, they have a lot of mirrors though.Quote:
The root servers of the internet are pretty safe i imagine, since there designed with the capasity to handle more aless every pc with an internet connection at once anyway
For simplicity:Quote:
Originally Posted by Jewish Bear
http://en.wikipedia.org/wiki/Root_nameserver
A root name server is a name server for the Domain Name System's root zone. It directly answers requests for records in the root zone and answers other requests returning a list of the designated authoritative name servers for the appropriate top-level domain (TLD). The root name servers are a critical part of the Internet because they are the first step in translating (resolving) human readable host names into IP addresses that are used in communication between Internet hosts.
I find it funny how a Twitter and Facebook help thread turned into an argument about root nameservers.
Lol. True. I think this xkcd may start to explain the phenomena:Quote:
Originally Posted by Mr.Android
http://imgs.xkcd.com/comics/duty_calls.png
Yes, they don't handle user requests, they handle ISP server requests, the ISP server then caches them and user requests are served from the ISP nameservers. If they were taken directly from the root dns servers, everyone would see updates in real time as they happened and nothing would be cached. Why do you think it takes up to 24 hours for a domain ns change to propagate on the internet?Quote:
Originally Posted by Mentor
Caching. That's why.
This is true as when (in the caching respect) you update DNS or whois records they go straight to the root servers in seconds, but of course whoever you're using for DNS is likely to have to old records cached for a while.Quote:
Originally Posted by Jewish Bear
When you do whois lookups and that sort of thing you go straight to querying the root as far as I know.
Although isp's will cache domain resolutions that are accessed they still have to be able toe resolve the domain to cache it. In this sense its true that requests made from your pc never go directly to the root servers. Your isp's dns server generally just acts as a middle man to ask the root servers what dns server knows about a certain tld, then it asks that server about the domain in question and so on.Quote:
Originally Posted by N!ck
Cacheing is done all over the place, even the client pc itself will keep a short term cache of domains :)
http://www.bleepingcomputer.com/tuto...utorial28.html - has a nice diagram :p
??? ISP nameservers cache the domain for several hours, even days in some slow cases. They don't implicitly go to the root nameservers every time you make a request.Quote:
Originally Posted by Mentor
If isp's requested the entire set of resolutions at a set time ever day they probably really would manage to kill a few of the root servers. Requests are made on demand, if an access hasn't been made to a site already for the isp, it'll get queried directly.Quote:
Originally Posted by Jewish Bear
What are you on about? It goes like this:Quote:
Originally Posted by Mentor
Me: HELLO WHERE IS GOOGLE.COM
ISP: HOLD ON LET ME CHECK MY CACHE
ISP: OH MAN I HAVE NO CACHE/MY CACHE IS TOO OLD LET ME GO ASK THE D ROOT SERVER
ISP: HEY D, WHERE IS GOOGLE.COM
D: WHATS A GOOGLE.COM, LET ME GO AND ASK X ROOT SERVER
(Recursion until it's found)
D: OH HEY IT'S HERE: GOOGLE NAME SERVER URL
ISP: OK THANKS I WILL KEEP THAT IN MIND FOR OH SAY 12 HOURS
ISP: HEY GOOGLE NAME SERVER WHERE SHOULD I DIRECT THIS PERSON
GOOGLE: SEND THEM HERE: 74.125.127.100
ISP: OK THANKS I WILL REMEMBER THAT IS THAT COOL?
GOOGLE: YES SURE
ISP: HEY YOU HERE IS WHERE TO GO: 74.125.127.100
Me: OK THANKS I WILL GO THERE
hours later
Me: OH MAN I FORGOT WHERE GOOGLE.COM IS HEY ISP CAN YOU TELL ME WHERE GOOGLE.COM IS
ISP: OK HOLD ON
ISP: HEY COOL I HAVE A CACHE AND ITS FRESH SO GO HERE: 74.125.127.100
Me: OK THANKS I WILL GO THERE
hours later
Me: OH MAN I FORGOT WHERE GOOGLE.COM IS HEY ISP CAN YOU TELL ME WHERE GOOGLE.COM IS
ISP: OK HOLD ON
ISP: HEY COOL I HAVE A CACHE BUT I THINK I SHOULD CHECK WITH THEM TO MAKE SURE ITS COOL
ISP: HEY GOOGLE NAME SERVERS WHERE SHOULD I SEND THIS PERSON
GOOGLE: SEND THEM HERE: 74.125.127.100
ISP: OK COOL I WILL REMEMBER THAT FOR A WHILE IS THAT COOL
GOOGLE: YEAH THATS COOL
ISP: HEY YOU GO HERE 74.125.127.10
Me: OK THANKS BYE
hours later
go to start
I like the way you rephrased what i was saying and claimed its what you were auguring :) Interesting tactic i must say, but if were on the same page now, debating the point furthers kinda useless.Quote:
Originally Posted by Jewish Bear
Jew Bear you've done it again.
LiveJornal was also attacked,
These DoS attacks are pointless, and they make no profit,
So what is the point?
To show theyre weaknesses?
Thank god no user data was lost :)
Wiz