Expert Power Control 8031 Series
    Firmware Release Notes / Revision History
- v1.6.1 - 06.10.2025
 - Features
 - better TLS certificate backward compatibility when installing older firmwares
 
- Bugfixes
 - fixed ethernet auto negotiation problem
 
- v1.6.0 - 30.09.2025
 - Features
 - added zero voltage switching
 - added 802.1X switch port authentication
 - added OVP info to MQTT telemetry message
 - added more device info to SNMP (Product Name, FW-rev, Hostname, MAC-address)
 - support daylight saving for US/Canada (configurable)
 - additional  Gratuitous ARP packets after PHY uplink
 - support for TLS certificate chains
 - cmdline: added cmds to get external sensor max/min values
 - cmdline: added cmd to reset external sensor max/min values
 
- Bugfixes
 - improved OVP functional detection
 - now 'All On/Off' is possible when logged in as user (not admin)
 - improved handling of TLS Session Tickets
 - fixed receive of big DNS query answers
 - fixed setting calib values of legacy 7102 sensor
 - corrected index of port sensor console cmds
 
- v1.5.1 - 14.01.2025
 - Bugfixes
 - re-inserted older JSON OVP signaling to maintain driver compatibility
 - improved FW-Upload - no device restart is longer necessary when upload was aborted externally
 - increase timeouts to improve FW-Upload behavior
 
- v1.5.0 - 26.11.2024
 - Features
 - multi-port switching on events
 - all-off reverse is configurable
 - all-on restart delay sequence
 - IP-watchdog report only function
 - make input toggle counter accessible to all protocols
 - internal watchdog now additionally monitors MQTT operation
 - sensor values configurable in deg F and inHg
 - region specific Software Safeguard
 - updated SSL(TLS), SSH, MQTT libraries to newest versions
 
- Bugfixes
 - fixed wrong MQTT JSON Device Data Summary when Sensor 7207 inserted
 - corrected text in web interface showing countdown of coldstart batch sequence
 - fixed wrong units of electrical energy values shown from console cmdline interface
 - SNMP octet header now works with length greater 127
 - resetting manual calib data when external sensor has none stored
 
- v1.4.1 - 22.08.2023
 - Bugfixes
 - 'Choose File' in SSL Cert upload now usable again
 - fixed fallback to user/pass when SSH key denied
 
- v1.4.0 - 01.08.2023
 - Features
 - added session authentication with optional CSRF token in webserver
 - updated SSL(TLS), SSH, jquery-UI libraries to newest versions
 - support for new external sensors with additional inputs
 - calibration data can be stored on external sensors
 - warning when DHCP activated but gets no answer from DHCP server
 
- Bugfixes
 - removed Ciphers with AES CBC from TLS and SSH
 - removed SSH Ciphers with SHA1
 - fixed possible buffer problem in webserver
 
- v1.3.2 - 23.02.2023
 - Features
 - extended MQTT telemetry with more electrical data
 - removed 3DES TLS Ciphersuites (SWEET32)
 - extended internal watchdog
 
- Bugfixes
 - increased webserver stability when targeted by vulnerability scanners
 
- v1.3.0 - 12.08.2022
 - Features
 - new hardware platform components support
 
- Bugfixes
 - DNS resolver stability improved
 - RADIUS improved timing robustness
 - SSH no more sensitive to time-critical spawning sessions
 - ModbusTCP now shows correctly 0x8000 when sensor data not avail
 - improved checking when uploading new certificates
 
- v1.2.4 - 11.03.2022
 - Features
 - better mail headers for improved SPAM scoring
 
- Bugfixes
 - fixed html body when generating HTTP status codes
 - better SMTP multiline recognition
 - improved FW update over HTTPS slow connections
 
- v1.2.0 - 21.10.2021
 - Features
 - MQTT messaging support
 - Extended sensor messaging trigger: time-interval and value-delta
 - Support for serverside HTTP redirection to HTTPS
 
- v1.1.5 - 28.06.2021
 - Bugfixes
 - Sends SSL encrypted E-mails when HTTPs disabled
 - Browser compatibility issues (IE)
 
- v1.1.4 - 27.05.2021
 - Features
 - config/status maintenance export.json
 
- Bugfixes
 - restored iPhone App compatibility
 
- v1.1.2 - 12.04.2021
 - Bugfixes
 - E-Mails using CRLF as line separator to avoid 'bare linefeed rejection'
 
- v1.1.1 - 01.03.2021
 - Features
 - New action: switch all outlets (by front panel, or browser)
 - New Icon set
 - HTTP server TLS version options (TLS v1.1 / v1.2 / v1.3)
 - HTTP server supports: ECC SSL certificates, keep-alive connections
 - Support for SSH command line interface
 - New messaging options (cli push messages, beeper alert tone options, and more)
 - Adjustable outlet switch alert messaging channels
 - More front panel display options
 
- Bugfixes
 - More reliable front panel button handling
 - Concurrent sensor events when supporting beeper alert tones
 - Residual current in front panel display
 
- v1.0.11 - 05.05.2020
 - Features
 - IP watchdog option: outlet reset on ethernet link down
 
- Bugfixes
 - NTP status data when NTP client disabled
 
- v1.0.10 - 04.02.2020
 - Bugfixes
 - 'linesensor all show' CLI-cmd
 - Reduced memory usage for Powerport watchdog
 
- v1.0.8 - 06.11.2019
 - Bugfixes
 - Large E-Mail password encryption on config save/restore
 - Radius authentication with Cisco ISE
 
- v1.0.7 - 25.10.2019
 - Features
 - Adds OVP status to CLI (Telnet)
 
- Bugfixes
 - Telnet tabulator completion
 - Modbus TCP connection handling
 - Timer UI: allow to remove valid-from valid-until dates
 - SMTP: cleanups when remote mail server cancels TCP connection
 
GUDE Systems GmbH