Re: [dns-operations] 10% was Re: .mm ....

2013-01-21 Thread Warren Kumari
On Jan 21, 2013, at 2:55 PM, Paul Wouters wrote: > On Mon, 21 Jan 2013, Warren Kumari wrote: > >> 1: Everyone does strict implementations. >> >> 2: When the signature expires everyone does the following: >> A: You calculate by how much the zone has expired, normalize it, then >> multiply by 2

Re: [dns-operations] 10% was Re: .mm ....

2013-01-21 Thread Paul Wouters
On Mon, 21 Jan 2013, Warren Kumari wrote: 1: Everyone does strict implementations. 2: When the signature expires everyone does the following: A: You calculate by how much the zone has expired, normalize it, then multiply by 255 and call this EXPIRED-AMNT. B: You take the primary IP of your rec

Re: [dns-operations] 10% was Re: .mm ....

2013-01-21 Thread Warren Kumari
On Jan 21, 2013, at 5:26 AM, Jaroslav Benkovský wrote: > On 01/19/2013 09:28 PM, Matthäus Wander wrote: >> I think it's more like "I'll tolerate an expired signature for 10% of >> the original validity period and use that extra time to let other people >> notice and fix it". >> Assuming that 1)

Re: [dns-operations] 10% was Re: .mm ....

2013-01-21 Thread Jaroslav Benkovský
On 01/19/2013 09:28 PM, Matthäus Wander wrote: > I think it's more like "I'll tolerate an expired signature for 10% of > the original validity period and use that extra time to let other people > notice and fix it". > Assuming that 1) the majority of validators do *not* tolerate expired > signature

Re: [dns-operations] 10% was Re: .mm ....

2013-01-19 Thread Matthäus Wander
* Joe Abley [2013-01-19 03:31]: > I'll assume (since I didn't see the original mail) that the proposal is to > make validators tolerant by 10%, rather than to change anything on the > authority server or on the signers. (If you want to extend the validity of a > signature by 10% when you sign th

Re: [dns-operations] 10% was Re: .mm ....

2013-01-18 Thread Joe Abley
On 2013-01-19, at 06:05, Edward Lewis wrote: > The posed question is whether expanding the lifetime of a signature by "10%" > is a good idea. I'll assume (since I didn't see the original mail) that the proposal is to make validators tolerant by 10%, rather than to change anything on the autho

Re: [dns-operations] 10% was Re: .mm ....

2013-01-18 Thread Edward Lewis
On Jan 18, 2013, at 12:18, Dobbins, Roland wrote: > > On Jan 18, 2013, at 11:05 AM, Edward Lewis wrote: > >> Adding security to an existing system will, inherently, make it more >> brittle. > > I strongly disagree with this statement. Increasing resilience under duress > should be a key go

Re: [dns-operations] 10% was Re: .mm ....

2013-01-18 Thread Dobbins, Roland
On Jan 18, 2013, at 11:05 AM, Edward Lewis wrote: > Adding security to an existing system will, inherently, make it more brittle. I strongly disagree with this statement. Increasing resilience under duress should be a key goal of any security enhancement; if it doesn't do this, then it hasn'

[dns-operations] 10% was Re: .mm ....

2013-01-18 Thread Edward Lewis
It's an acceptable idea - certainly not a bad one. Adding security to an existing system will, inherently, make it more brittle. What ever can be done to soften the brittleness while retaining the basic need for security should be done for the sake of resilience and availability of the system