CSRF against balancer_manager... Looks like jorton himself was the person who first referenced and defined it as a nonce.
On Sep 5, 2012, at 7:08 AM, Ben Laurie <b...@links.org> wrote: > On Wed, Sep 5, 2012 at 11:57 AM, Jim Jagielski <j...@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 <j...@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 <s...@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. >>>> >>> >> >
