EXTERNAL: OSError: [Errno 48] Address already in use

Gregory Ewing greg.ewing at canterbury.ac.nz
Sat Jun 30 19:41:06 EDT 2018


Dan Stromberg wrote:
> On Thu, Jun 28, 2018 at 10:30 PM, Marko Rauhamaa <marko at pacujo.net> wrote:
> 
>>Well, the same security issue can be demonstrated without SO_REUSEADDR:
>>
>>The security issue can be real but is not directly related with
>>SO_REUSEADDR.
>
> Yes, it can.  It just takes longer.

I don't see how the address-reuse timeout can be a security
measure, because the process trying to take over the address
can easily circumvent it by setting SO_REUSEADDR.

-- 
Greg



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