Opened 2 years ago

Last modified 15 months ago

#28525 closed defect

Make tor_addr_is_internal_() aware of RFC 6598 (Carrier Grade NAT/Large Scale NAT) IPv4 Ranges — at Initial Version

Reported by: neel Owned by: neel
Priority: Medium Milestone: Tor: 0.2.9.x-final
Component: Core Tor/Tor Version:
Severity: Normal Keywords: consider-backport-after-040-stable, ipv6, 040-deferred-20190220, 040-backport, 035-backport, 029-backport, security-low
Cc: neel Actual Points:
Parent ID: Points:
Reviewer: Sponsor:


With the IPv4 depletion, many ISPs, cell carriers and some cloud providers are deploying Carrier Grade NAT with the subnet defined in RFC 6598 ( We should make tor_addr_is_internal_() aware of this range as it is internal as well.

I will write a patch and upload a PR shortly.

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