[tor-bugs] #25409 [Core Tor/Tor]: rip out PortForwarding options

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#25409: rip out PortForwarding options
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 Reporter:  arma            |          Owner:  (none)
     Type:  enhancement     |         Status:  new
 Priority:  Medium          |      Milestone:  Tor: 0.3.4.x-final
Component:  Core Tor/Tor    |        Version:
 Severity:  Normal          |     Resolution:
 Keywords:  technical-debt  |  Actual Points:
Parent ID:                  |         Points:  0.5
 Reviewer:                  |        Sponsor:
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Comment (by yawning):

 Replying to [comment:1 nickm]:
 > IIUC, one of yawning's findings was that a depressingly large number of
 consumer routers can't actually be used this way, since they tend to brick
 themselves when upnp'd too hard.

 While I still stand behind the replacement implementation I wrote, and it
 tries to avoid certain behavior that has historically been troublesome, my
 view is that for users that this sort of tool would be useful for (someone
 that can't configure port forwarding on their own), the support burden for
 "your router doesn't implement UPnP-IGD or NAT-PMP/NAT-PCP correctly"
 would be rather large, because of the vast number of broken/buggy
 implementations of said protocols.

 The general consensus around the time the rewrite was completed was "apart
 from flashproxy, there isn't much use for this sort of thing due to
 consumer grade NAT being horrific", so I support the removal.

 It is somewhat of a shame because the utility will work fine for a
 sizeable fraction of router implementations out there, but when things go
 wrong, they go really wrong, which is a poor fit for a non-technical end
 user oriented piece of software.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25409#comment:4>
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