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NEWS.md

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News

  • 2023-01-16 Version 2.58.0
    • Added the option --security-level
    • Added an option to ignore header problems with --all and --all-local (--ignore-http-headers)
  • 2022-12-04 Version 2.57.0
    • Support for DNS over TLS
  • 2022-11-30 Version 2.56.0
    • Adds the --path command line option
  • 2022-10-25 Version 2.55.0
    • Fixes for FreeBSD jails
    • TDS checks now respect the timeout option
  • 2022-10-20 Version 2.54.0
    • Java KeyStore checks (thanks to claudioth)
    • Bug fixes in the TDS checks
  • 2022-10-19 Version 2.53.0
    • Implemented a check for MS SQL (Tabular Data Stream, TDS)
    • Fixed a bug in the date computations with Perl
  • 2022-10-06 Version 2.52.0
    • Removed spurious debugging output
  • 2022-10-06 Version 2.51.0
    • Fixed a bug in the chain checks
  • 2022-10-06 Version 2.50.0
    • Additional checks for the certificate chain (see --check-chain)
  • 2022-09-27 Version 2.49.0
    • The plugin is working without nmap (with some limitations)
    • Fixed a bug in the processing of the --nmap-bin option
  • 2022-09-24 Version 2.48.0
    • Fixes the parsing of --require-no-http-header
  • 2022-09-23 Version 2.47.0
    • New options to check HTTP headers (see --help)
    • Options can now be specified in a configuration file (see README.md)
    • Fixed a bug in the total certificate validity check if --precision is specified
  • 2022-09-20 Version 2.46.0
    • The maximum validity check is performed only for HTTPS, files or if the --maximum-validity option is specified.
  • 2022-09-19 Version 2.45.0
    • Checks the maximum certificate validity (397)
  • 2022-09-13 Version 2.44.0
    • Fixed a problem with grep 3.8
    • Added --grep-bin to specify the grep binary to be used
    • Added --debug-headers to store the HTTP headers in the headers.txt file
  • 2022-09-09 Version 2.43.0
    • Rewrote the HTTP security header checks
    • Fixed a bug when parsing certificates without purpose
  • 2022-09-02 Version 2.42.0
    • Disable nmap checks if a proxy is specified
    • Added --require-x-frame-options to check for the X-Frame-Options header
  • 2022-09-01 Version 2.41.0
    • Fixed the parsing of UTF-8 certificate subjects
    • Better OpenSSL error handling
    • Fixed the HSTS check
  • 2022-08-24 Version 2.40.0
    • Fixed the parsing of the signature algorithm
  • 2022-08-24 Version 2.39.0
    • nmap is always required
    • added %SIGALGO% to the possible output formatting
    • added --default-format to display the default formatting output
  • 2022-08-23 Version 2.38.0
    • Fixed the handling of --ignore-connection-problems
  • 2022-08-17 Version 2.37.0
    • New option --require--hsts to check for HTTP Strict Transport Security
  • 2022-07-26 Version 2.36.0
    • New option --user-agent to specify the user agent used by curl and by OpenSSL for HTTPS connections
  • 2022-07-15 Version 2.35.0
    • Better error handling
    • Better handling of IPv6 addresses
  • 2022-07-06 Version 2.34.0
    • If x509 -ext is not supported no info on the certificate purpose is extracted
  • 2022-07-01 Version 2.33.0
    • Added DNSSEC checks
  • 2022-06-17 Version 2.32.0
    • Added checks for the certificate purpose
  • 2022-06-11 Version 2.31.0
    • Fixed a problem with Prometheus output
  • 2022-06-01 Version 2.30.0<
    • Fixed a bug in the prometheus output
  • 2022-05-24 Version 2.29.0
    • Support for DTLS
    • Default ports for XMPP
  • 2022-05-04 Version 2.28.0
    • Fixed a bug in the connection check when specifying --ignore-connection-problems
  • 2022-04-28 Version 2.27.0
  • Fixed a bug with the ciphers check with older nmap versions
  • 2022-04-28 Version 2.26.0
  • Fixed a bug with the ciphers check with older nmap versions
  • Fixed a bug in the display of the expiration date
  • 2022-04-13 Version 2.25.0
    • Caching of the host names to be used with bash completion
  • 2022-04-06 Version 2.24.0
    • Fixes a problem with timeouts and SSL Labs
  • 2022-03-24 Version 2.23.0
    • Fixes a bug when the specified --match is an IP address
    • An Unknown status is only returned for plugin-internal issues
  • 2022-03-11 Version 2.22.0
    • The protocol is shown in the output
    • Processes files with .pkcs12 extension
    • Display all the unmatched common names
  • 2022-02-20 Version 2.21.0
    • New option: --quiet
    • The checked host and port are displayed in the output
    • Better documnentation of the --format option
    • bash-completion now autocompletes hosts
  • 2022-02-03 Version 2.20.0
    • bash completion
    • adding the reason of the timeout to the error message
  • 2022-01-13 Version 2.19.0
    • --file now accepts URIs (e.g., http://, https://, ftp://, file://, ...)
    • Added input validation for integers and floats
  • 2022-01-12 Version 2.18.0
    • Using floating point computations
  • 2021-12-21 Version 2.17.0
    • Fixed several issues when specifying a numeric IPv6 address
    • Checking the whole chain with STARTTLS
  • 2021-12-20 Version 2.16.0
    • Remove the trailing . from FQDNs
    • Fixed a problem with self signed certificates
  • 2021-12-15 Version 2.15.0
    • Error if HTTP/2 is requested but not offered by the server
    • SSL 2.0 and SSL 3.0 disabled by --all and --all-local
  • 2021-12-10 Version 2.14.0
    • Added an option --info to print certificate information
    • Fixed the IPv6 checks when ipconfig is not available
    • Fixed a bug causing an unnecessary scan when checking for disallowed protocols
  • 2021-11-24 Version 2.13.0
    • Fixed a bug in the processing of error messages
    • Handling of root certificates in DER format
  • 2021-11-16 Version 2.12.0
    • Improved verbose messages
  • 2021-11-11 Version 2.11.0
    • Several fixes in the documentation
    • Works with OpenSSL 3.0.0
    • Fixes a bug in the processing of certificate issuers containing commas
  • 2021-10-22 Version 2.10.4
    • Fixes the organization check
  • 2021-10-21 Version 2.10.3
    • Fixes --rsa on systems not supporting PSS
    • Uses mktemp if available (the workaround is only used if not available for speed reasons)
  • 2021-10-14 Version 2.10.2
    • Improved the certificate chain check of local bundles
  • 2021-10-12 Version 2.10.1
    • Fixed the certificate chain check
  • 2021-10-11 Version 2.10.0
    • Checks the certificate chain integrity
    • Does not accept certificates without SANs (use --allow-empty-san to ignore)
    • Bug fix in the handling of errors while fetching certificates
    • Allows a check on invalid FQDNs containing an underscore
  • 2021-10-06 Version 2.9.1
    • Accepts certificates without subject alternative names
    • Added an option (--debug-time) to print the elapsed time in the debugging output
  • 2021-10-01 Version 2.9.0
    • The --skip-element option can now be specified multiple times and specifies to skip a single
    • element of the certificate chain
  • 2021-09-29 Version 2.8.0
    • Adds a check for acceptable client certificate CAs (--require-client-cert [list])
    • Supporting certificate expiration after 2038-01-19 on 32 bit systems
    • Adds an option (--ignore-connection-problem) to set a custom state in case of connection failures
    • Adds two options to selectively disable proxy setting for curl and s_client
    • (--no-proxy-curl and --no-proxy-s_client)
  • 2021-09-24 Version 2.7.0
    • Critical and warning can now be floating point numbers
  • 2021-09-21 Version 2.6.1
    • Fixed the output of several messages
    • Fixed the order of the critical messages
    • Fixed a problem when checking a local CRL (no STC checks and automatic conversion from DER format)
    • Fixed a problem with the tests with IPv6
    • Fixed a problem when checking a local certificate (does not try to connect to localhost to check for renegotiation)
  • 2021-09-17 Version 2.6.0
    • Added the --prometheus command line option to generate output for Prometheus/OpenMetrics
    • Automatically assume localhost if --file is specified
  • 2021-09-16 Version 2.5.2
    • Bug fix: fixed the output in case or multiple errors
  • 2021-09-15 Version 2.5.1
    • Bug fix: fixed the detection of server internal errors by OCSP checks
  • 2021-09-15 Version 2.5.0
    • Added the --ignore-ocsp-errors command line option
    • Bug fix: fixed the behavior of the --element command line option
  • 2021-08-31 Version 2.4.3
    • Fixed the connection to the TLS renegotiation on FreeBSD
    • Detects old BSD date without -f and computes the date with dconv
  • 2021-08-27 Version 2.4.2
    • Fixed the handling of IP addresses
  • 2021-08-19 Version 2.4.1
    • Fixed the handling of --file and --cn
  • 2021-08-16 Version 2.4.0
    • Support DANE TLSA 312
  • 2021-08-13 Version 2.3.8
    • Bug fix: fixed the parsing of the --cn command line option
    • Bug fix: better validation of the host command line argument
  • 2021-07-09 Version 2.3.7
    • Bug fix: performance data is no more shown by critical and warning message when --no-perf is specified
  • 2021-06-23 Version 2.3.6
    • Bug fix: follows symbolic links
  • 2021-06-22 Version 2.3.5
    • Bug fix: correct parsing of file(1) ou
  • 2021-06-18 Version 2.3.4
    • Stop the SSL Labs checks after an error
  • 2021-06-16 Version 2.3.3
    • Speedup the offered ciphers check
  • 2021-06-03 Version 2.3.2
    • Bug fix: always uses the specifies OpenSSL binary and respects the specified IP version
  • 2021-05-28 Version 2.3.1
    • Compatibility fixes for LibreSSL on macOS
    • Added sanity checks for file write operations
  • 2021-05-21 Version 2.3.0
    • Added the --debug-file option
  • 2021-05-07 Version 2.2.0
    • Bug fix: --debug does not store any information in $TMPDIR anymore
    • To locally store the retrieved certificates in debug mode the option --debug-cert has to be specified
  • 2021-05-06 Version 2.1.4
    • Bug fix in the handling of Qualy's SSL Lab command line options
  • 2021-05-05 Version 2.1.3
    • Bug fix in the Qualy's SSL Lab check of non-reachable machines
  • 2021-04-30 Version 2.1.2
    • Add domain if FQDN is missing
  • 2021-04-29 Version 2.1.1
    • Correct handling of subdomains with underscores
  • 2021-04-25 Version 2.1.0
    • Added an option to hide performance data
    • Fixed a bug in the critical and warning output when the CN is not available
  • 2021-04-07 Version 2.0.1
    • Fixed a bug in renegotiation checks with STARTTLS
  • 2021-03-29 Version 2.0.0
    • Fixed the documentation of various options
    • The host name must now always match with the certificate
    • Short options can be grouped (e.g., -vs -c 10 -w 15)
    • Different verbosity levels can now be specified (-v can be used more than once)
    • Added the --resolve option to specify a custom IP for the checked host
  • 2021-03-25 Version 1.146.0
    • Added --all to enable all the optional checks
    • Fixed a bug in the processing of client certificate requirements
    • Improved the error handling in case a TLS connection is not possible
  • 2021-03-15 Version 1.145-0 Fix in the parsing of OpenSSL version
  • 2021-03-14 Version 1.144.0
    • Getting rid of the man dependency
  • 2021-03-12 Version 1.143.0
    • Better handling of the timeout
    • Checks ciphers with nmap (--check-ciphers and --check-ciphers-warnings)
    • Checks all the supplied OCSP URIs
  • 2021-03-10 Version 1.142.0
    • Improved the TLS renegotiation check
    • Added --password to specify a password source for PCKS12 certificates
  • 2021-03-09 Version 1.141.0
    • Do not check SCTs if the certificate is self signed
    • Fixed the processing of --inetproto
    • Supports local PCKS #12 and DER formatted certificates
  • 2021-02-25 Version 1.140.0
    • Fixed a bug in the SCT check
  • 2021-02-24 Version 1.139.0
    • Fixed a bug in the TLS renegotiation check
  • 2021-02-24 Version 1.138.0
    • Checks for TLS renegotiation<
  • 2021-02-18 Version 1.137.0
    • Added the --url option to specify the URL for the HTTP request
  • 2021-02-16 Version 1.136.0
    • Fixed the signed certificate timestamps spelling (command line option)
  • 2021-01-28 Version 1.135.0
    • Checks for signed certificate timestamps (SCTs)
  • 2021-01-27 Version 1.134.0
    • Complete support for Alpine Linux and BusyBox
  • 2021-01-26 Version 1.133.0
    • Added the --date option to specify the date binary
    • support for BusyBox date
  • 2021-01-18 Version 1.132.0
    • Time-outed sub-processes can now be interrupted
    • Revocation via CRL can be checked with the --crl option
    • Better error messages for DH with small keys and handshake failures
  • 2021-01-15 Version 1.131.0
    • OCSP check on all the chain elements
  • 2021-01-14 Version 1.130.0
    • Retries when SSL Labs has no available slot
  • 2020-12-24 Version 1.129.0
    • Bug fix in the proxy parameters handling
  • 2020-12-22 Version 1.128.0
    • Added --no-proxy to ignore proxy settings
  • 2020-12-21 Version 1.127.0
    • Better handling of certificates without CN in the subject
  • 2020-12-16 Version 1.126.0
    • Corrected the handling of old nmap versions
  • 2020-12-11 Version 1.125.0
    • Corrected the handling of the issuer URI
  • 2020-11-31 Version 1.124.0
    • Bug fix when using a proxy
  • 2020-11-30 Version 1.123.0
    • Enhancement: option to check the nth element
  • 2020-08-07 Version 1.122.0
    • Bug fix, --skip-element and --custom-header
  • 2020-07-24 Version 1.121.0
    • Bug fix release
  • 2020-07-02 Version 1.120.0
    • MySQL support
  • 2020-07-01 Version 1.119.0
    • Bug fix release
  • 2020-06-12 Version 1.118.0
    • Bug fix release
  • 2020-06-09 Version 1.117.0
    • Fixed a bug in the output (expiration date of chain elements)
  • 2020-06-05 Version 1.116.0
    • Supports s_client -proxy option
  • 2020-06-04 Version 1.115.0
    • Checks all the certificates in the chain
    • New option to check that the issuer does not match a given pattern
  • 2020-05-27 Version 1.114.0
    • Added an option to specify a proxy
  • 2020-05-19 Version 1.113.0
    • Fixed a bug with nmap and hosts with IPv6 addresses only
  • 2020-04-07 Version 1.112.0
    • Timeout for OCSP queries and option to ignore timeout errors and PostgreSQL support
  • 2020-03-09 Version 1.111.0
    • New option (--not-valid-longer-than) to check if a certificate is valid longer than the
    • specified number of days
  • 2020-02-17 Version 1.110.0
    • Added support for xmpp-server in the STARTTLS negotiation
  • 2020-01-07 Version 1.109.0
    • Option to force HTTP/2
  • 2019-12-23 Version 1.108.0
    • Better error message in case of connection refused
  • 2019-12-20 Version 1.107.0
    • Better error message in case of an invalid host
  • 2019-11-21 Version 1.106.0
    • Optional checks for protocols that should not be supported
  • 2019-11-04 Version 1.105.0
    • SMTP connections with -name only with OpenSSL versions supporting it
  • 2019-11-04 Version 1.104.0
    • Fixed a bug in the SMTP connection
  • 2019-10-31 Version 1.103.0
    • Fixed a bug with the interpretation of OpenSSL errors
  • 2019-10-25 Version 1.102.0
    • Option to specify the dig binary and fix in the command line validation checks
  • 2019-10-22 Version 1.101.0
    • Fixed a bug printing both a critical and a warning message when both condition match
  • 2019-10-18 Version 1.100.0
    • Fixed a bug ignoring --dane without parameters
  • 2019-10-16 Version 1.99.0
    • DNS-based Authentication of Named Entities (DANE) checks
  • 2019-10-10 Version 1.98.0
    • Bug fix release: A wildcard certificate does not match the 'main' domain, ciphers and TLS 1.3
  • 2019-10-09 Version 1.97.0
    • Validate OCSP stapling expiring date, option to disable TLS 1.3
  • 2019-09-25 Version 1.96.0
    • Bug fixes
  • 2019-09-24 Version 1.95.0
    • Bug fixes
  • 2019-09-24 Version 1.94.0
    • Several bugs fixed
  • 2019-09-24 Version 1.93.0
    • Fixed a bug in the processing of the SSL Labs options
  • 2019-09-24 Version 1.92.0
    • Bug fix in the OCSP check
  • 2019-09-23 Version 1.91.0
    • Various minor improvements and fixes
  • 2019-09-19 Version 1.90.0
    • Bug fix, did not always print all the detected errors
  • 2019-08-22 Version 1.89.0
    • Prints all the errors
  • 2019-08-09 Version 1.88.0
    • Add an option to force IPv4 or IPv6
  • 2019-08-08 Version 1.87.0
    • LDAPS support
  • 2019-07-21 Version 1.86.0
    • Fixed a bug and enabled extended regex search
  • 2019-06-02 Version 1.85.0
    • Improved the warnings when using the --file option
  • 2019-03-28 Version 1.84.0
    • Added an option to specify the curl user agent
  • 2019-03-01 Version 1.83.0
    • Spelling corrections
  • 2019-02-08 Version 1.82.0
    • Added a check on the readability of the certificate file
  • 2019-02-01 Version 1.81.0
    • Added an option to specify a warning level with SSL Labs
  • 2019-01-16 Version 1.80.1
    • Fixed a problem on systems not supporting echo -e
  • 2018-12-24 Version 1.80.0
    • Better output in case of errors while using SNI
  • 2018-12-10 Version 1.79.0
    • Differentiate between IMAP on port 143 and IMAPS on port 993
    • Fixed a vulnerability in the parsing of the certificate issuer
  • 2018-11-07 Version 1.78.0
    • Bug fixes in IMAP and HTTP requests
  • 2018-11-05 Version 1.77.0
    • CA file and directory support
  • 2018-10-19 Version 1.76.0
    • Sends a correct HTTP request
  • 2018-10-18 Version 1.75.0
    • Allow to specify a client certificate key
  • 2018-10-15 Version 1.74.0
    • Fixed a bug generating a confusing error message on timeout
  • 2018-09-10 Version 1.73.0
    • Fixed a bug in the cleanup of temporary files, fixed a bug with certificates without OCSP
    • Fixed tests with more reliable hosts
    • Allows to check against all the issuers in the CA chain
    • Fixed a bug with --long-output on Linux
    • Fixed the validation of --critical and --warning
  • 2018-07-01 Version 1.72.0
    • Corrected a bug introduced in 1.71.0 remove temporary files
  • 2018-07-01 Version 1.71.0
    • Corrected a bug introduced in 1.70.0 wrong exit codes
  • 2018-06-28 Version 1.70.0
    • Improved the management of temporary files
  • 2018-06-25 Version 1.69.0
    • Added an option to require OCSP stapling
  • 2018-04-29 Version 1.68.0
    • Removed the SNI name check
  • 2018-04-17 Version 1.67.0
    • Terse output, warning if the specified server name is not found in the certificate and --format option
  • 2018-04-06 Version 1.66.0
    • UTF-8 output
  • 2018-03-29 Version 1.65.0
    • Bug fix release
  • 2018-03-28 Version 1.64.0
    • Remove curl dependency
  • 2018-03-17 Version 1.63.0
    • Support for TLS 1.3
  • 2018-03-06 Version 1.62.0
    • Support for LibreSSL
  • 2018-01-19 Version 1.61.0
    • Fixed a bug handling more than one OCSP host
  • 2017-12-15 Version 1.60.0
    • Fixed a bug related to XMPP introduced in the last version
  • 2017-12-14 Version 1.59.0
    • Added an option to specify the 'to' attribute of the XMPP stream element
  • 2017-11-29 Version 1.58.0
    • Support for DER encoded CRL files
  • 2017-11-28 Version 1.57.0
    • Added --fingerprint to check the SHA1 fingerprint of the certificate
  • 2017-11-17 Version 1.56.0
    • Added support for -xmpphost if available
  • 2017-11-16 Version 1.55.0
    • Fixed XMPP support and IPv6 addresses as host
  • 2017-09-19 Version 1.54.0
    • With the -f command line option, you can also specify a certificate revocation list (CRL)
  • 2017-09-10 Version 1.53.0
    • The timeout is applied to OCSP checks
  • 2017-09-09 Version 1.52.0
    • The SAN requirement check is now optional
  • 2017-07-28 Version 1.51.0
    • Use openssl s_client's -help option to test for SNI support
  • 2017-07-24 Version 1.50.0
    • Fix in the Common Name parsing
  • 2017-07-17 Version 1.49.0
    • Support for OpenSSL 1.1
  • 2017-06-22 Version 1.48.0
    • Checks for missing subjectAlternativeName extension
  • 2017-06-15 Version 1.47.0
    • Fixed an issue with OCSP URI with protocols other than HTTP or HTTPS
  • 2017-05-15 Version 1.46.0
    • Fixed a problem with the detection of OCSP URLs
  • 2017-05-02 Version 1.45.0
    • Fixed bugs in the date computation and OCSP checks
  • 2017-04-28 Version 1.44.0
    • Fixed a bug occurring when more than one issuer URI is present
  • 2017-03-07 Version 1.43.0
    • Support for LDAP
  • 2017-02-16 Version 1.42.0
    • Support for OpenSSL > 1.1.0
  • 2017-02-10 Version 1.41.0
    • Added --sni to specify the server name
  • 2017-02-08 Version 1.40.0
    • Changed the CN output when --altnames is used
  • 2017-02-02 Version 1.39.0
    • Fixed a bug related to SNI
  • 2017-02-02 Version 1.38.2
    • Fixed a bug in the command line argument parsing
  • 2017-01-29 Version 1.38.1
    • Small corrections in the documentation
  • 2017-01-28 Version 1.38.0
    • Added support for wildcards in alternative names and caching of the issuer certificate
  • 2016-12-23 Version 1.37.0
    • Added a patch to specify multiple CNs
  • 2016-12-13 Version 1.36.2
    • fixed a minor problem with --debug
  • 2016-12-06 Version 1.36.1
    • fixed a problem when specifying a CN beginning with *
  • 2016-12-04 Version 1.36.0
    • fixed problem when file is returning PEM certificate on newer Linux distributions
    • added an option to specify the location of the file utility
  • 2016-10-18 Version 1.35.0
    • added support for the selection of the cipher authentication
  • 2016-09-19 Version 1.34.0
    • added proxy support for the OCSP checks (thanks to Leynos)
  • 2016-08-04 Version 1.33.0
    • disabling OCSP checks when no issuer URI is found
  • 2016-07-29 Version 1.32.0
    • added support for date with timestamp calculation and fixed case sensitive comparison of CN
  • 2016-07-12 Version 1.31.0
    • Fixed the parsing of the CN field
  • 2016-06-30 Version 1.30.0
    • OCSP check is fixed and enabled by default
  • 2016-06-15 Version 1.29.0
    • New option to clear the cached value at SSL Labs IRC support
  • 2016-06-01 Version 1.28.0
    • Increased control over which SSL/TLS versions to use
  • 2016-03-29 Version 1.27.0
    • Fixes a bug in the OpenSSL error parsing
  • 2016-03-29 Version 1.26.0
    • Fixes a bug in wildcard match
  • 2016-03-21 Version 1.25.0
    • Fixes a bug on CN parsing on non-GNU systems
    • Handle wildcard certificates
  • 2016-03-09 Version 1.24.0
    • Waits for SSL Labs Results
  • 2016-03-07 Version 1.23.0
    • Supports SNI even when not checking CN and does not issue a critical when SSL Labs is still checking a host
  • 2016-03-03 Version 1.22.0
    • Initial support for SSL Labs checks
    • Support for UTF output (thanks to Konstantin Shalygin)
  • 2016-03-01 Version 1.21.0
    • Fixed a bug which prevented the check on the expiration date
  • 2016-02-26 Version 1.20.0
    • Added debugging output (-d or --debug)
    • Improved the handling of OpenSSL error messages
    • Does not stop the validation if the server requires aclient certificate
  • 2016-02-25 Version 1.19.0
    • Added a check for certificates signed with SHA-1 or MD5 Added an option to disable the expiration date check
  • 2015-10-31 Version 1.18.0
    • Added an option to check the certificate's serial number (thanks to Milan Koudelka)
  • 2015-10-20 Version 1.17.2
    • Fixed a bug with OCSP
  • 2015-04-07 Version 1.17.1
    • Fixed the check on the openssl binary
  • 2014-10-21 Version 1.17.0
    • Added an option to check revocation via OCSP
  • 2014-06-06 Version 1.16.2
    • Fixed a problem with -servername when -n was not specified
  • 2014-02-28 Version 1.16.1
    • Added a Make target for the RPM package
  • 2013-12-23 Version 1.16.0
    • Added an option to force TLS version 1
  • 2013-07-29 Version 1.15.0
    • Added an option to force a certain SSL version (thanks to Max Winterstein)
  • 2013-05-12 Version 1.14.6
    • Added XMPP and timeout support (thanks to Christian Ruppert and Robin H. Johnson)
  • 2013-03-02 Version 1.14.5
    • Fixed a bug occurring with TLS and multiple names int he certificate
  • 2012-12-07 Version 1.14.4
    • Fixed a bug causing -N to always compare the CN with 'localhost'
  • 2012-09-19 Version 1.14.3
    • Improved the error message in case of a failure in the certificate download
  • 2012-07-13 Version 1.14.2
    • Added the name since or to expiration in the plugin output.
  • 2012-07-11 Version 1.14.1
    • Fixed a bug with Perl date computation on some systems
  • 2012-07-06 Version 1.14.0
    • The status now includes performance data in days until expiration (requires Perl with Date::Parse).
    • It is now possible to print additional information in the plugins long output (multi-line, Nagios 3 only)
  • 2012-04-05 Version 1.13.0
    • The plugin will now try to fetch the certificate without without TLS extensions in case of error
  • 2012-04-04 Version 1.12.0
    • Fixed a bug in the chain verification (hard coded error number)
  • 2011-10-22 Version 1.11.0
    • --altname option
  • 2011-09-01 Version 1.10.0
    • Applied a patch from Sven Nierlein to authenticate using a client certificate
  • 2011-03-10 Version 1.9.1
    • Allows HTTP as protocol and fixes -N with wildcards
  • 2011-01-24 Version 1.9.0
    • Added an option to specify the openssl executable
  • 2010-12-16 Version 1.8.1
    • Fixed bugs with environment bleeding & shell globbing
  • 2010-12-08 Version 1.8.0
    • Added support for TLS servername extension in ClientHello
  • 2010-10-28 Version 1.7.7
    • Fixed a bug in the signal specification introduced 1.7.6
  • 2010-10-28 Version 1.7.6
    • Better temporary file clean up (thanks to Lawren Quigley-Jones)
  • 2010-10-14 Version 1.7.5
    • Applied a patch from Yannick Gravel fixing the test order
  • 2010-10-01 Version 1.7.4
    • Applied a patch from Lawren Quigley-Jones adding the -A option
  • 2010-09-15 Version 1.7.3
    • Fixed a bug in the option processing
  • 2010-08-26 Version 1.7.2
    • Removes useless use of cat, better test for expect utility
  • 2010-08-26 Version 1.7.1
    • Replaces -verify 6 which was erroneously removed in the previous version
  • 2010-08-26 Version 1.7.0
    • Overloaded --rootcert option to allow -CApath as well as -CAfile
  • 2010-07-21 Version 1.6.1
    • Added an option to specify where to temporarily store the certificate
  • 2010-07-09 Version 1.6.0
    • Added long command line options and substituted -days with --critical and --warning
  • 2010-07-07 Version 1.5.2
    • Added the -f option to check a local file
  • 2010-07-01 Version 1.5.1
    • Fixed the plugin output
  • 2010-03-11 Version 1.4.4
    • Fixed bug #64 (== bashism)
  • 2010-03-09 Version 1.4.3
    • -N and -n options to compare the CN to an hostname
  • 2009-12-02 Version 1.4.2
    • the -i ISSUER option now checks if the O= or the CN= fields of the root certificate match
  • 2009-11-30 Version 1.4.1
    • -r to specify the root cert to be used for verification
  • 2009-11-30 Version 1.4.0
    • certificate chain verification
  • 2009-03-30 Version 1.3.0
    • -P option to check TLS certificates (SMTP, FTP, POP3, ...)
  • 2008-05-13 Version 1.2.2
    • include the CN in the messages (D. Wallis)
  • 2008-02-25 Version 1.2.1
    • better error handling
  • 2008-02-25 Version 1.2.0
    • general cleanup (POSIX compliance, removednmap dependency, ...) from Dan Wallis
  • 2007-08-31 Version 1.1.0
    • option to enforce a given email address
    • option to enforce a given organization
    • temporary files cleanup upon exit
  • 2007-08-15 Version 1.0.1
    • Bug fix: openssl did not close the connection cleanly
  • 2007-08-10 Version 1.0.0
    • First release (1.0)