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From Ben Laurie <...@links.org>
Subject Re: how to avoid balancer manager nonce?
Date Wed, 05 Sep 2012 11:08:12 GMT
On Wed, Sep 5, 2012 at 11:57 AM, Jim Jagielski <jim@jagunet.com> wrote:
> FWIW, I have time this week to impl this...
>
> Feedback/Concerns?

I still want to know what the "nonce" is actually for! Are you going
to make me read the code and guess?

>
> On Sep 1, 2012, at 11:47 AM, Jim Jagielski <jim@jaguNET.com> wrote:
>
>> Another alternative would be to have the nonce also possibly
>> set at config-time and, if unset, then use the uuid. That way
>> it could also be used as a sort of shared-secret ;)
>>
>>       ProxySet nonce="applepie!"
>>
>> Longer term, I think that's a more "strategic" solution.
>>
>> On Aug 31, 2012, at 2:14 PM, Stefan Fritsch <sf@sfritsch.de> wrote:
>>
>>> On Friday 31 August 2012, Eric Covener wrote:
>>>> I'm fighting a problem on new releases of AIX where in some
>>>> environments, /dev/random seems to run out of entropy way too
>>>> quick.
>>>>
>>>> I'd like a way to suppress the apr_uuid_get->
>>>> apr_generate_random_bytes() in mod_proxy_balancer used for the
>>>> balancer-manager nonce in affected environments.
>>>>
>>>> I was thinking a global "BalancerManager off" could be used for
>>>> this and would also have the upside of fixing the SetHandler
>>>> htaccess problem.
>>>>
>>>> Alternatives would be to find a weaker source for the nonce, or
>>>> allow tto opt out / use a hard-coded one.
>>>>
>>>> Any suggestions?
>>>
>>> For 2.4, you could use ap_random_insecure_bytes(). It should be good
>>> enough for a nonce.
>>>
>>> If you add a "BalancerManager off", it should be per directory, or at
>>> least per vhost. Otherwise it would not help that much with the
>>> SetHandler htaccess problem.
>>>
>>
>

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