Version	Description
V8.0.0	removed CORE component variants changed source config files to headers removed support for legacy Arm Compiler 5 removed support for CMSIS-RTOS version 1 removed legacy API interface version 6 corrected handling of a half-closed TCP socket, data delivery added fixed DHCP client issue with relay agent causing "ServerAddressNotSelected" error added function netARP_AddCache to manually add an entry to the ARP cache table added option for updating mbedTLS certificates at runtime added IPv6 Multicasting with MLD, Multicast Listener Discovery Protocol added BSD socket option SO_BINDTODEVICE to bind socket to a network interface increased default Core Thread stack size (from 1024 to 2048)
V7.19.0	using Event Recorder component from CMSIS-View pack (instead of deprecated ARM_Compiler pack) fixed netNBNS_Resolve function to return resolved IP address when TTL=0 in response message fixed netDNSc_GetHostByNameX function to return netTimeout instead of netError status on timeout updated BSD socket API, type int changed to type int32_t updated the default HTTP web page and error pages fixed ARP issue that discarded ARP probe messages fixed Neighbor Discovery issue that discarded NA messages if override flag not set fixed possible allocation limit exceeded in debug version of SNMP agent fixed possible NET_ERROR_MEM_FREE error when flooded with ARP requests extended HTTP server functionality, added processing of query string in POST method corrected BSD datagram socket to return BSD_EMSGSIZE error if message size is too large fixed BSD socket datagram sending so that a large message is not split into smaller datagram messages fixed possible buffer overflow in netMAC_ntoa function
V7.18.0	aligned with mbed TLS library version 3.1.0, SMTPS server verification is now mandatory fixed ethernet issue not receiving VLAN-tagged frames fixed DHCP client issue with relay agent causing "RelayAgentAddressInvalid" error fixed un-initialize function to resume blocked threads if they are waiting for network resources added functions netNBNS_Resolve and netNBNS_ClearCache in NBNS client updated telnet server to allow three authorization attempts before closing connection corrected md5 hash calculation in BE library versions minor stability and performance improvements improved code robustness
V7.17.0	libraries built with Arm Compiler 6 updated FTP server to check the specified path in change directory command improved FTP server file system interface for easier integration with a custom file system improved Event Recorder debug, updated documentation for debug events
V7.16.0	added support for HTTP cookies fixed issue with netHTTPs_GetSession function, which may have returned an invalid session number upgraded BSD sockets to dual-stack sockets for IPv6 added function netCGI_ProcessRequest to provide users with access to HTTP request haders added option in SNMP agent to send NULL character in "OCTET STREAM" objects fixed issue with netSNMP_Trap when parameter "addr" is NULL extended permission to change the root path in FTP server (until the user logs in) corrected processing of truncated DNS response messages added support for IPv6 fragmentation and reassembly added configurable MTU parameter for network interfaces that support IPv6
V7.15.0	added functions netARP_ClearCache and netNDP_ClearCache to clear the ARP or NDP cache at runtime improved dynamic memory debugging, more detailed information in memory allocation and memory free debug events improved DNS response validation to improve robustness and resilience against DNS cyber attacks updated for use with the FuSa C Library, sprintf and sscanf are no longer used in the network library fixed duplicate AutoIP addresses if the same firmware is deployed on multiple devices fixed nonce caching issue in HTTP Digest authentication corrected select function to report a socket closed by a peer as readable fixed an Ethernet connectivity issue when the ARP cache table is fully utilized added functions in the user API that enable or disable echo response at runtime fixed Ethernet driver handling so that the receive function is not called before the link-up fixed possible NULL pointer dereference in a multi-interface configuration fixed issue with HTTP Digest authentication with Apple Safari browser
V7.14.0	fixed a problem in the netUninitialize function that active BSD sockets remain blocked when the function is called by a low priority thread fixed a problem with the HTTP server when uploading files from the Firefox browser corrected OS layer timeouts for RTOS2, if the RTOS tick frequency is not 1000 Hz fixed a build error when IPv6 was disabled in all LAN interfaces fixed "no route found" error when sending broadcast frames added netUDP_OptionInterface option to change the default interface for sending broadcast frames updated the netFTPs_ffind function in the File System interface of the FTP server added configuration option to prevent sending ping response (no echo reply) added blocking functions netARP_ProbeX and netNDP_ProbeX for easy use
V7.13.1	fixed an error when building projects with older network configurations that were not updated
V7.13.0	added support for multiple LAN interfaces (Ethernet, WiFi) that can be used simultaneously reworked network system viewer in debugger, added status view for multiple network interfaces corrected IGMP checksum check error if the IGMP message is longer than 8 octets updated HTTP server to also add custom HTTP headers to internally generated server error messages corrected possible memory corruption in HTTP server, when a long HTTP URL request is received and Root Folder is used added netCGI_CustomHeader function to add a custom HTTP header to the web server response corrected memory issue when BSD stream socket keeps sending data on half-closed connection corrected DHCPv6 client issue to discard address offers, if preferred lifetime is equal to valid lifetime corrected modem driver issue with modem initialization string length limited to 64 characters added netHTTPs_CalcHashHA1 function to calculate MD5 hash HA1 for HTTP Digest authentication
V7.12.0	corrected possible memory corruption in CHAP authentication, when PPP interface used in client mode, and the server generates CHAP challenges of less than 16 bytes added support for user accounts in HTTP server Digest authentication added support for passwords stored as MD5 hash value HA1 added support for Digest access authentication in HTTP server corrected memory issue when receiving fragmented broadcast message corrected return code from BSD_EINVAL to BSD_ESOCK if BSD socket is not created improved robustness in BSD sockets corrected filtering for link-layer addressed UDP messages (datagrams with correct MAC address and invalid IP address are no longer received)
V7.11.0	added support for the WiFi interface corrected Neighbor Discovery failure, when the requested global IPv6 address is on-link updated lease renewal in the DHCP client also updates the default Gateway corrected possible TCP socket retransmission failure in keep-alive mode for very short time limits, when the keep-alive timer expired before the retransmission timer corrected CHAP authentication failure in the PPP interface, when used in client mode optimized send_frame functions for network interfaces updated IGMP multicast address filtering improved and optimized network core processing improved versioning, added library version to a map file (ie: "network_ip4_release_v7.10.6") improved access to ethernet, serial and modem drivers minor code cleanup and optimization corrected problem in BSD socket timeouts, when the blocked receiving and blocked sending in the socket are simultaneously used from two threads corrected problem, that the device is not accessible to IPv6 after changing the MAC address added send frame buffering, if the MAC address in the IPv6 NDP cache is not resolved (the first call to the netUDP_Send function does not fail anymore) improved Event Recorder debug, updated documentation for debug events
V7.10.0	corrected reduced performance in the loopback interface added debug configuration for Event Recorder added sendmsg function to BSD sockets corrected netTCP_GetSocket and netUDP_GetSocket functions to return netError code, if no free sockets are available, instead of calling net_sys_error handler corrected potential failure to start network tick timer in RTX5 environment added implicit binding to BSD sockets in connect and sendto functions updated bind function to support dynamic ports (bind to port 0) added recvmsg function to BSD sockets added dynamic port range settings in TCP and UDP sockets improved Ethernet debugging added Virtual LAN support in Ethernet interface (VLAN) updated Ethernet interface for reading the MAC address from the driver, if a unique MAC address is available in the driver updated netIF_SetOption and netIF_GetOption functions to accept a possibly non-aligned buffer, when 16-bit or 32-bit option is passed in the buffer
V7.9.0	added select function to BSD sockets added address conversion functions: inet_addr, inet_aton, inet_ntoa, inet_pton and inet_ntop to BSD sockets updated BSD sockets functionality and return codes to make them more consistent with standard BSD sockets added blocking functions: netSNTPc_GetTimeX, netPing_EchoX and netDNSc_GetHostByNameX for easy use added SO_SNDTIMEO socket option in BSD sockets added getsockopt function to retrieve BSD socket options corrected DHCP client problem by assigning an address, if the IP address has already been set by AutoIP
V7.8.0	corrected quoted-printable encoding for the character '=' in netSMTPc_SendMail function documented possible return codes for Network API functions changed return code netError to netFileError where appropriate in TFTP client corrected netSMTPc_SendMail functionality, if the requested attachment does not exist, the function fails with error code netFileError, rather than send a dummy attachment corrected a failure in netSMTPc_SendMail function, when sending an email with a large attachment added netUninitialize function to uninitialize the Network component
V7.7.0	added SMTPS Client for secure emails (SMTP over SSL/TLS) using mbed TLS library corrected notifications in the Ethernet interface to send gratuitous ARP for each change of the IP address corrected poor performance on the HTTP server, when opening large files corrected thread lock issue in accept function of BSD sockets, if called from a different thread in blocking mode improved robustness required for Achilles level 1 certification added transmit frame buffering, if MAC address in ARP cache is not resolved (first call to netUDP_Send function does not fail anymore) replaced deprecated "__declspec" compiler directives with "__attribute__" directives updated SMTP client configuration for backward compatibility some optimizations of Network Core and services added netSMTPc_SendMail function, which runs in blocking mode added support for multiple email recipients (To, Cc, Bcc) added support for email address friendly names in SMTP client added configurable character encoding to support non ascii characters in SMTP client added support for email attachments in SMTP client
V7.5.0	added netDHCP_SetOption function to change DHCP client options at runtime (for example DHCP Client-identifier option) added support for IPv4 fragmentation and reassembly added configurable MTU parameter for all network interfaces extended netIF_SetOption to change MTU parameter at runtime added netETH_SendRaw and netETH_ReceiveRaw functions to support implementing ethernet protocols by users added netDNSc_ClearCache function to clear the DNS cache at runtime
V7.4.0	corrected HTTPS Web server problem, upload files limited to small files corrected problem of data loss in BSD stream sockets (TCP), which was caused by a traffic congestion on high-latency networks corrected FCARM file converter processing of regular expressions in java script (js) files corrected FCARM filename encoding to use slash '/' folder separator character (allows saving resource files in virtual subdirectories) library made RTOS agnostic, OS calls are from external functions which are compile time available added RTOS configuration files for CMSIS-RTOS and CMSIS-RTOS2 added netIF_SetDefault function to dynamically change default interface at runtime added netHTTPs_SetRootPath, netFTPs_SetRootPath and netTFTPs_SetRootPath functions to change root folder at runtime corrected PPP_ACCM option negotiation in PPP interface, which caused connectivity issues with some GSM modems
V7.3.0	added event recording debug library variant
V7.2.0	corrected DHCP client to accept DHCP OFFER message, if source IP of relay agent is 0.0.0.0 corrected return status in netUDP_Send function to indicate an error, if the packet is dropped while sending UDP packets back to back improved compatibility with ARM Compiler 6 expanded buffer size for the modem response string from 40 to 128 bytes corrected infinite receive timeout in recv function, when BSD stream socket is in server mode simplified and optimized processing user command in Telnet server user interface added decoding of URL-encoded file/path information in HTTP server (ie. space character in a resource filename) optimized sending emails to generate less packets in SMTP client corrected thread deadlock in gethostbyname function, if netDNSc_GetHostByName function is called at the same time
V7.1.0	added HTTPS Server for secure communication (HTTP over SSL/TLS) using mbed TLS library corrected link disconnect problem in netPPP_Close and netSLIP_Close functions updated HTTP, FTP, Telnet and TFTP Server start/stop control functions to blocking mode (function is completed after the server is running/has stopped) corrected problem of FTP Server not working with USB Host file system corrected BSD receive functions to return BSD_ERROR_CLOSED, if the connection is unexpectedly closed in blocking mode corrected serial communication problem on high-speed devices using PPP or SLIP interface added osThreadYield in Network core main loop (cooperative multithreading) added BSD socket event notification for mbed-client integration added access to modem response string in modem driver corrected low TCP performance problem when using only netTCP_Send and no network services
V7.0.0	corrected connectivity problem in PPP interface running in server mode added support for relay agents in DHCP client (server on different subnet) added SO_RCVTIMEO option in BSD socket interface to set blocking receive timeout added support for AAAA-records in DNS client (resolves IPv6 address) added DHCPv6 client for dynamic address configuration (stateless or stateful mode) corrected minor bugs identified by static analysis of the source code added support for content type "text/plain" in HTTP server POST request processing corrected DHCP client lease renewal to update also DNS servers added fractional seconds time information in SNTP client added redirection of missing resources to a new location in HTTP server added IP address conflict detection for IPv4 and IPv6 added Stateless Address Auto Configuration (SLAAC) added IPv6 FTP extensions in FTP server and FTP client added MIME type ".pdf" in HTTP server supported file types added netCGI_ContentType() function for custom MIME types added system configuration check in netInitialize(), signal NET_ERROR_CONFIG on error added system created network Core and interface threads in a library added mutex protection to network API functions, these functions are now thread-safe added adaptive time polling in ETH thread when ETH driver is used in polling mode updated dynamic port range in TCP and UDP sockets to use IANA recommendation (49152 - 65535) updated to provide full path for FTP server user access control corrected "frame too short" error in HTTP server when processing fragmented POST requests corrected application build problem when using PPP interface corrected bug in processing router advertisement message corrected vulnerability to Spank Attack and Spoofed RST packets corrected IPv6 receive address for loop-back interface
V7.0.0 (beta)	Initial release of dual-stack (IPv4 and IPv6) version of Network Component Incompatible API to version 6.x Added Implemented RFCs This Pack contains example projects for development boards: MCB1800, MCBSTM32F200, MCBSTM32F400