Re: signature expiration

2013-04-15 Thread Carlos M. Martinez
If nothing changes, only the SOA serial will be incremented on resign. The signatures don't 'have' to be renewed every 30 days, you can resign as often as you want / need. regards ~Carlos On 4/11/13 9:14 AM, hugo hugoo wrote: Hello, Can anyone tell me why signatures in dnssec mut be

signature expiration

2013-04-11 Thread hugo hugoo
Hello, Can anyone tell me why signatures in dnssec mut be renewed every 30 days?What are the modifications made on a zone with a resign? Thanks in advance for the clarifications. Hugo, ___ Please visit

Re: signature expiration

2013-04-11 Thread Noel Butler
Sign them for longer, I typically use 90 days On Thu, 2013-04-11 at 12:14 +, hugo hugoo wrote: Hello, Can anyone tell me why signatures in dnssec mut be renewed every 30 days? What are the modifications made on a zone with a resign? Thanks in advance for the clarifications.

Re: signature expiration

2013-04-11 Thread Tony Finch
hugo hugoo hugo...@hotmail.com wrote: Can anyone tell me why signatures in dnssec mut be renewed every 30 days? The limited lifetime of the signatures reduces your exposure to a replay attack. After the signature has expired an attacker cannot fool a victim by giving them the stale data.

Re: signature expiration

2013-04-11 Thread Alan Clegg
On Apr 11, 2013, at 8:34 AM, Noel Butler noel.but...@ausics.net wrote: Sign them for longer, I typically use 90 days On Thu, 2013-04-11 at 12:14 +, hugo hugoo wrote: Hello, Can anyone tell me why signatures in dnssec mut be renewed every 30 days? What are the modifications made on

Re: signature expiration

2013-04-11 Thread Tony Finch
Alan Clegg a...@clegg.com wrote: I use dynamic zones and never concern myself with expired signatures. You can also use inline signing to remove this hassle. Yes! Better solution: Sign them more often. Why not sign them twice a day? I personally don't think that extending the signature