Opened 3 years ago

#23076 new defect

Should HSes use Stable nodes for services on long lived ports?

Reported by: asn Owned by:
Priority: Medium Milestone: Tor: unspecified
Component: Core Tor/Tor Version:
Severity: Normal Keywords: tor-hs research
Cc: Actual Points:
Parent ID: Points:
Reviewer: Sponsor:


When a hidden service sets up its circuits, it uses rend_service_requires_uptime() to check the type of service it's setting up, and if it's setting up a long-lived service (e.g. SSH, etc.) it will only use Stable nodes for its rendezvous circuits.

We should consider if this is a good idea wrt security, and potentially kill this feature if we think it restricts our path selection too much or reveals too much info to the RPs.

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