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[curl:bugs] #1377 Regression in 7.35.0 to (at least) 7.37.0 related to IPv6 (on Windows?)

From: Daniel Stenberg <bagder_at_users.sf.net>
Date: Sat, 31 May 2014 21:08:03 +0000

1) --enable-ipv6 is what configure does by default - it means it will check for IPv6 capable and working name resolver functions. The summary at the end of configure's run should tell you what it found. If ENABLE_IPV6 is not in lib/curl_config.h then configure failed to find such functions and build without using them. curl -V will then not list IPv6 as a feature.

2) but with firstfamily=AF_INET, I don't see how the commit 2d435c7fb5b actually destroyed the logic. Can you?

3) stratum.f2pool.com doesn't seem to resolve any AAAA records

Which resolver backend are you using?

I can't repeat this problem.

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** [bugs:#1377] Regression in 7.35.0 to (at least) 7.37.0 related to IPv6 (on Windows?)**
**Status:** open
**Created:** Fri May 30, 2014 08:22 PM UTC by Luke-Jr
**Last Updated:** Sat May 31, 2014 02:16 AM UTC
**Owner:** Daniel Stenberg
My software uses libcurl as its socket layer via CURLOPT_CONNECT_ONLY. One user is reporting a regression connecting to http://stratum.f2pool.com:3333 (note, this is not a HTTP server) that we have isolated to 2d435c7fb5b7691e8ca1f3052e1eb5bcd8a4ea27 (trynextip: fix build for non-IPV6 capable systems). I am building libcurl with --enable-ipv6, but strangely enough, I don't think ENABLE_IPV6 is defined anywhere (lib/curl_config.h contains /* #undef ENABLE_IPV6 */). The user in question does not have IPv6 on his (Windows XP) system, so I am guessing that somehow libcurl is simply never trying IPv4 in this case.
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Received on 2014-05-31

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