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Sat, 23 Jul 2022 09:00:43 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-757-gc3ad9c75d3-fm-20220722.001-gc3ad9c75 Mime-Version: 1.0 Message-Id: <2dcb598a-eac4-4fbf-8f38-a2b515331f8a@www.fastmail.com> In-Reply-To: <3d864872-bc5c-40b0-9eab-2b38add2aa55@www.fastmail.com> References: <3d864872-bc5c-40b0-9eab-2b38add2aa55@www.fastmail.com> Date: Sat, 23 Jul 2022 06:00:22 -0700 From: "Anton Shevchenko" <anton@sancoder.com> To: "Bitcoin Devs" <bitcoin-dev@lists.linuxfoundation.org> Content-Type: text/plain X-Mailman-Approved-At: Sat, 23 Jul 2022 13:10:22 +0000 Subject: Re: [bitcoin-dev] bitcoind -proxy=host:port doesn't work for unroutable network X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> X-List-Received-Date: Sat, 23 Jul 2022 13:05:52 -0000 Sorry to post here. Now I realize this is an implementation issue. Raised an issue at github - https://github.com/bitcoin/bitcoin/issues/25684 -- Anton Shevchenko On Fri, Jul 22, 2022, at 10:08 PM, Anton Shevchenko via bitcoin-dev wrote: > Hello, > > Got unexpected behavior when trying to run bitcoind with -proxy setting. > -proxy is used to connect to SOCKS5 proxy which is able to access some > internal network. > bitcoind is started with -noconnect option and network activity is > absent (as it should be). > > Then I command bitcoin-cli to connect to node with address 10.x.y.z > with the command > bitcoin-cli addnode 10.x.y.z add > > Expected behavior is for bitcoind to initiate connection through proxy. > Actual behavior is bitcoind trying to connect without using proxy. > > In the code: > CConnman::ConnectNode calls GetProxy and GetProxy returns false because > CNetAddr::GetNetwork returns NET_UNROUTABLE. > > My take is this is unexpected behavior at minimum and should be documented. > Better way is to introduce another option just for the unroutable addresses: > - connect locally (for compatibility reasons, default); > - connect thru proxy; > - don't connect to unroutable addresses. > > > -- Anton Shevchenko > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev