error searching keyserver: Network is unreachable

Christian Ribeaud christian.ribeaud at
Sun Mar 7 13:52:59 CET 2021


Thanks to all for the great support and the warm feedbacks, I learned a lot.

Finally, after a long search and research, I was able to solve the problem by putting 'standard-resolver' in a '~/.gnupg/dirmngr.conf' file.
I could not explain to you why though... __

Wishing you a great Sunday.
Best regards,


On 07.03.21, 11:12, "Andrew Gallagher via Gnupg-users" <gnupg-users at> wrote:

    Hi, Christian
     > And, actually, we deployed our own (hkp:// 
    keyserver, which I am trying to access. But can't for some reason I do 
    not understand.

    I can connect to that server from here, but it appear to contain only 85 
    keys. Did you import a dump, or is it meant to be internal-only?

    > Desperately searching for hours now… I am NOT able to run following
    > command:
    > gpg --keyserver hkp:// --keyserver-options no-self-sigs-only,no-import-clean --search-keys <any-key> 
    > Always getting following output: 
    > gpg: error searching keyserver: No keyserver available > gpg: keyserver search failed: No keyserver available

    In the title of this thread however, you report "Network is 
    unreachable". Are you getting both errors? "Network unreachable" is 
    usually a network routing issue.

    What happens if you run the following in your terminal?


    > Changing keyserver does not help. I've tried 
    > / as well. Because the command takes
    > some time to return, I would assume that it is still trying to do
    > something. What could be the reason? How to fix it?
    The pool algorithm doesn't include a test for server capacity, so it is 
    common to get directed to a node running a single-threaded SKS instance, 
    which can lead to long timeouts. Try testing against, and instead. If it times out on all of 
    those, then I would suspect a network issue, either a bad routing table 
    or a firewall DROP rule.

    > I am using v2.2.27, installed via Homebrew 
    > ( on
    > Mac OS X Big Sur.
    Did you ever install from or only homebrew?


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