ber of authentication failures.</td></tr><tr><td><code>citadel_server_csr_count</code></td><td><code>Sum</code></td><td>The number of CSRs received by Citadel server.</td></tr><tr><td><code>citadel_server_csr_parsing_err_count</code></td><td><code>Sum</code></td><td>The number of errors occurred when parsing the CSR.</td></tr><tr><td><code>citadel_server_csr_sign_err_count</code></td><td><code>Sum</code></td><td>The number of errors occurred when signing the CSR.</td></tr><tr><td><code>citadel_server_id_ext