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Re: [tor-relays] asymmetry in connections



> On 17 Dec. 2016, at 06:19, Ivan Markin <twim@xxxxxxxxxx> wrote:
> 
>    o  TLS connection is not going to terminate if no circuits left on it*
> 
> [*] I may be wrong about it. It holds true from my experience.

It takes about a week for a TLS connection to close if there is traffic on it, or a few minutes if there is no traffic:

Relays close circuits with no streams and no traffic on then after a minute in circuit_expire_old_circuits_serverside.

Old TLS connections in tor are marked not to be used for new circuits after 7 days in connection_or_group_set_badness_.

Most client circuits last a maximum of 10 minutes (longer if they are being used, or for hidden service introduction point circuits, which last up to 24 hours) in circuit_expire_old_circs_as_needed.

(As an aside, TLS certificates are rotated every 2 hours in rotate_x509_certificate_callback.)

T

-- 
Tim Wilson-Brown (teor)

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