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Re: RE: More than 65K connections of a proxy on FreeBSD

April 11, 2018 06:37AM
> Correct me if I'm wrong but in case of IP_BIND_ADDRESS_NO_PORT doesn't the unique 4-tuple (sourceip+sourceport+destip+destport) limit still remain?

Yes, it still remains.

> As you only defer/delegate to kernel to assign the ephemeral port in connect() rather than at the bind() time (when the destination is not yet known) so in case of a single source ip and single backend/port the ~65k limit still exists.

You are right for the case of single source IP and single backend-port pair.
The thing is that in case of single source IP and multiple backend-port pairs overall amount of connections is still limited by 65K. Linux's IP_BIND_ADDRESS_NO_PORT increases the limit up to 65K connections per single backend-port pair (single source IP remains the same for all connections to all backends) and NGINX supports the feature. So I wonder if there's something like on FreeBSD.
Subject Author Posted

More than 65K connections of a proxy on FreeBSD

Salikhov Dinislam April 10, 2018 08:54AM

Re: More than 65K connections of a proxy on FreeBSD

steveh April 10, 2018 04:52PM

Re: More than 65K connections of a proxy on FreeBSD

Salikhov Dinislam April 11, 2018 05:22AM

RE: More than 65K connections of a proxy on FreeBSD

Reinis Rozitis April 11, 2018 06:14AM

Re: RE: More than 65K connections of a proxy on FreeBSD

Salikhov Dinislam April 11, 2018 06:37AM



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