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501 501-FTPD GSSAPI error: GSS Major Status: General failure

Full message

edg-gridftp-ls results in

Error the server sent an error response: 501 501-FTPD GSSAPI error: GSS
Major Status: General failure
501-FTPD GSSAPI error: GSS Minor Status Error Chain:
501-FTPD GSSAPI error:
501-FTPD GSSAPI error: acquire_cred.c:125: gss_acquire_cred: Error with GSI
credential ...

501-FTPD GSSAPI error: The host key could not be found in:
501-FTPD GSSAPI error: 1) env. var. 
501-FTPD GSSAPI error: 2) /etc/grid-security/hostkey.pem
501-FTPD GSSAPI error: 3) /opt/globus/etc/hostkey.pem
501-FTPD GSSAPI error: 4) /root/.globus/hostkey.pem


  1. Verify validity of host certificate.
  2. Check that the host certificate permissions are set correctly (644)


  1. Contact CA if certificate has expired.
  2. Correct the permissions of following files
/etc/grid-security/hostcert.pem to 644
/etc/grid-security/hostkey.pem to 600