Re: [DNSOP] DNS pinning, anti-pinning and rebinding in DNSOP?

2007-08-08 Thread Dean Anderson
This attack is at once more nefarious and less nefarious than article documents. It is more nefarious because many 'single site' schemes based on DNS trust *.somedomain.tld as IP resources belonging to somedomain.tld. You don't have to rebind even. The site www.attacker.com gives a script th

Re: [DNSOP] DNS pinning, anti-pinning and rebinding in DNSOP?

2007-08-08 Thread Phil Regnauld
Pekka Savola (pekkas) writes: > > Thanks for the interesting link. This certainly shows that "use hostnames > everywhere" idiom that the IETF has been repeating doesn't quite work as > intended in the real life :-) Yes it does, it's not a bug, it's a feature. It does exactly the right

Re: [DNSOP] DNS pinning, anti-pinning and rebinding in DNSOP?

2007-08-08 Thread Pekka Savola
On Wed, 8 Aug 2007, Stephane Bortzmeyer wrote: I'm afraid that we will be sollicited one day or the other to write a RFC about DNS practices to limit rebinding? It seems trendy. Do note that many advices in "Protecting Browsers from DNS Rebinding Attacks" (http://crypto.stanford.edu/dns/dns-rebi

[DNSOP] DNS pinning, anti-pinning and rebinding in DNSOP?

2007-08-08 Thread Stephane Bortzmeyer
I'm afraid that we will be sollicited one day or the other to write a RFC about DNS practices to limit rebinding? It seems trendy. Do note that many advices in "Protecting Browsers from DNS Rebinding Attacks" (http://crypto.stanford.edu/dns/dns-rebinding.pdf) belong in our perimeter (some remind m