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Re: [tor-bugs] #21493 [Core Tor/Tor]: When reachable addresses change, mark connections using those addresses
#21493: When reachable addresses change, mark connections using those addresses
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Reporter: teor | Owner:
Type: defect | Status: new
Priority: Medium | Milestone: Tor: unspecified
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: ipv6 | Actual Points:
Parent ID: | Points: 1
Reviewer: | Sponsor:
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Comment (by teor):
Replying to [comment:1 cypherpunks]:
> Replying to [ticket:21493 teor]:
> Are you sure about both? Personally,
> > When a client's reachable addresses change, we should:
> > * mark connections that are on non-preferred connections as "not for
new streams".
> this seems fine to me
> > * close connections that are on newly unreachable addresses
> not so sure about this.
>
> There are situations when it's preferable to leave existing streams be,
but fewer (I can't think of any) when it would be bothersome to leave them
alone.
I can think of several, in approximate order of prevalence:
* the client wants their unreachable connections to fail and be
reestablished, rather than waiting for them to time out,
* the client has moved to a network where data to some IP addresses is
restricted or costly, and they want to avoid those addresses,
* the client has moved to a network where connecting to certain IP
addresses is bad for their anonymity.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21493#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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