Bad logins bogging down server

Dan White dwhite at
Tue Sep 19 11:52:44 EDT 2017

On 09/19/17 11:28 -0400, Michael Sofka wrote:
>On 09/19/2017 10:12 AM, Dan White wrote:
>>>The botnet is still hammering away, checking those old accounts.  
>>>But the bottleneck appears to have been saslauthd threads.  
>>>Doubling the thread count from 5 to 10 has resolved the problem 
>>>for now.  (And,
>>If you're comfortable with caching, increase the -t value to saslauthd.
>Interesting.  What is the default value of -t? when just "-c" is specified?

It's much larger than I expected (from saslauthd/cache.h):

#define CACHE_DEFAULT_TIMEOUT       28800

Dan White

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