v6.0.0 (2016-06-29)
* First released version

v6.0.1 (2016-09-07)
* Added filtering out all forwarded invalid RST and FIN packets
* Reworked firmware update progress indicator
* Increased maximum value of Data Limit to 2 TB
* Increased size of ICMP packets for checking connection
* Changed default APN for PLMN 23820 to "internet.ts.m2m"
* Changed default APN for PLMN 24202 to "tsn"
* Fixed switching SIM card via SMS
* Fixed checking of IPv6 backup routes in Multiple WANs mode
* Fixed removing IPv6 addresses from bridged interfaces
* Fixed accepting routes from RA with enabled DHCP
* Fixed setting Media Type on third Ethernet
* Fixed handling premature disconnection of HTTP client
* Fixed reading statistics via SNMP protocol
* Fixed showing information about binary inputs and output
* Fixed CVE-2016-5696 in Linux kernel
* Upgraded program OpenSSH to version 7.3p1
* Upgraded program curl to version 7.50.1

v6.0.2 (2016-10-21)
* Added license information
* Added showing error message for unsupported WiFi channels
* Added logging disconnect reason
* Changed name of firmware to "SPECTRE-v3T-LTE.bin"
* Fixed selecting bridged interface with dynamic IP address as backup route
* Fixed priorities for selecting backup route
* Fixed wrong source IP address in DNS response if VRRP is enabled
* Fixed using wrong IP addresses for checking connection
* Fixed multiple issues occurring during WiFi AP restart
* Fixed multiple issues in USB driver
* Fixed multiple issues in DMA driver
* Fixed CVE-2016-7117 in Linux kernel
* Upgraded program conntrack-tools to version 1.0.1
* Upgraded library libnetfilter_conntrack to version 1.0.1
* Upgraded library libnfnetlink  to version 1.0.1
* Upgraded library glibc to version 2.24
* Upgraded library OpenSSL to version 1.0.2j

v6.0.3 (2016-12-08)
* Improved IPsec throughput
* Increased size of ICMPv6 packets for checking connection
* Fixed switching modules according to LTE signal strength
* Upgraded program curl to version 7.51.0
* Upgraded program dnsmasq to version 2.76

v6.1.0 (2016-12-15)
* Added support of IKEv2 for IPSec VPN
* Added support of authentication on Ethernet
* Added support of forcing NAT Traversal
* Added support of EAP-TLS authentication on WiFi
* Added support of SCP protocol
* Added support of HTTP protocol
* Added support of HTTP server configuration
* Added support of SSH server configuration
* Added support of unblocking SIM card
* Added program "stty"
* Added target "NFQUEUE" to iptables
* Fixed memory exhaustion in SSH server
* Fixed termination of SSL connection in HTTP server
* Fixed receiving IPv6 packets from cellular module

v6.1.1 (2017-03-09)
* Added support of Quectel EC25 modules
* Added support of static routes
* Added support of backing up and restoring of user accounts
* Added support of L2TP in Linux kernel
* Added match extension "string" to iptables
* Improved security of cookies that are sent over HTTPS connection
* Modified storing content of text areas
* Modified selection of preferred operator
* Fixed occasional freezing of communication with cellular module
* Fixed counting TX bytes sent over cellular module
* Fixed automatic update of firmware
* Fixed setting of IDs in IPsec when distinguished name is used
* Fixed wrong source IPv6 address in DNS response if VRRP is enabled
* Fixed redirecting services to non-defaults ports
* Fixed buffer overflow in program "status"
* Fixed terminating of "ndppd" daemon
* Fixed CVE-2017-5970 in Linux kernel
* Fixed CVE-2017-6214 in Linux kernel
* Upgraded program tcpdump to version 4.9.0
* Upgraded program OpenSSH to version 7.4p1
* Upgraded library OpenSSL to version 1.0.2k
* Upgraded library glibc to version 2.25

v6.1.2 (2017-06-12)
* Added support of generic CDC-ECM devices
* Added automatic hiding of absent Ethernet interfaces
* Added target "TCPMSS" and match extension "tcpmss" to iptables
* Added programs "cmp", "head" and "wc"
* Added filtering of uploaded files by extension
* Added safer cellular module shutdown
* Changed default APN for PLMN 26201 to "internet.telekom"
* Changed IKEv1 payload order due to better interoperability
* Removed mechanism that causes reboots in case of no mobile connectivity
* Fixed occasional freezing of communication with MC7304 and MPL200 modules
* Fixed creating data connection over EC25 module
* Fixed counting TX bytes sent over EC25 module
* Fixed switching back to default SIM card
* Fixed sending warning SMS after exceeding the data limit
* Fixed terminating of L2TP tunnel
* Fixed terminating of program "nc"
* Fixed CVE-2016-10229 in Linux kernel
* Fixed CVE-2017-5897 in Linux kernel
* Upgraded program OpenVPN to version 2.3.15
* Upgraded program strongSwan to version 5.5.3
* Upgraded program iw to version 3.5
* Upgraded library zlib to version 1.2.11

v6.1.3 (2017-08-10)
* Added support of fourth release of Cinterion PLS8 modules
* Added protection against Clickjacking and XSS attacks
* Added wait for firmware update finish to program "reboot"
* Added match extension "statistic" to iptables
* Enabled support of user binaries with Thumb instructions
* Disabled renegotiation of SSL connection
* Fixed registration to unavailable mobile network
* Fixed reset of mobile statistics at time shift
* Fixed occasional freezing of backup routing daemon
* Fixed GRE tunnel initialization
* Fixed IPsec tunnel termination
* Fixed DNS64 translation on interfaces without IPv6 address
* Upgraded program OpenVPN to version 2.3.17
* Upgraded program tcpdump to version 4.9.1

v6.1.4 (2017-09-27)
* Added missing 5 GHz WiFi bands
* Added timestamps to the kernel log
* Added list of installed user modules to report file
* Added program "top"
* Enabled resizing of "vi" editor window
* Fixed filtering of DNS requests
* Fixed IPsec tunnel termination
* Fixed IPsec tunnel checking mechanism
* Fixed routing IPv6 packets over IPv4 IPsec tunnel
* Fixed removing iptables rules after IPsec termination
* Fixed routing of the second subnet over IPsec tunnel
* Fixed default configuration of OpenVPN  tunnels
* Fixed restarting of SSH server
* Fixed multiple issues in USB driver
* Fixed calculation of connection uptime
* Fixed safe shutdown of MPL200 and ME909s modules
* Upgraded program OpenVPN to version 2.3.18
* Upgraded program tcpdump to version 4.9.2
