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Missing support for IPv4 may lead to problems.
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Description

See https://lists.gnupg.org/pipermail/gnupg-users/2015-May/053586.html

Although reported for kernels without IPv6 support it is very likely that we
have the same problem on kerneles without legacy IP support. Dirmngr should
detect this case and retry without considering the retry limit in this case.

Details

Version
2.1

Related Objects

Event Timeline

• werner set Version to 2.1.May 16 2015, 11:46 AM
• werner added projects: dirmngr, gnupg, Bug Report.
• werner added a subscriber: • werner.
justus added a subscriber: justus.Nov 24 2015, 11:39 AM

Werner, in https://lists.gnupg.org/pipermail/gnupg-users/2015-May/053617.html you wrote:

The real bug is that dirmngr does not mark the v6 address dead and
retry anotyer server (or the v4 address).

I cannot reproduce this. I pointed dirnmngr to ipv6.pool.sks-keyservers.net and servers
got marked as dead as expected.

• werner added a comment.Nov 25 2015, 11:20 AM

May this be related to you fix for

if(ai->family != AF_INET6)

commit 23ea641b ?

justus added a comment.Dec 2 2015, 3:16 PM

I'm not sure, I reverted said change, and it still works for me:

% echo -e "KEYSERVER hkp://ipv6.pool.sks-keyservers.net/\nKS_SEARCH CADE3658\n"

dirmngr/dirmngr 2>&1grep dead

dirmngr[10105.0]: marking host '[2a01:4f8:192:f5::3]' as dead
dirmngr[10105.0]: marking host '[2001:41d0:2:a8b4::10]' as dead
dirmngr[10105.0]: marking host '[2001:67c:2050:1000::3:4]' as dead
dirmngr[10105.0]: marking host 'hufu.ki.iif.hu' as dead