Bug fixes: New features: Improvements: [gui] Re-branded from zen to zevenet Bug fixes: Bug fixes: Improvements: Bug fixes: Improvements: Bug fixes: Improvements: Bug fixes: New features: Improvements: Bug fixes: Bug fixes: Bug fixes: Bug fixes: Bug fixes: New features: Improvements: Bug fixes: Bug fixes: Bug fixes: Bug fixes: New features: Improvements: Bug fixes: Improvements: Bug fixes: Bug fixes: Improvements: Bug fixes: Bug fixes: Improvements: Bug fixes: New features: Improvements: Bug fixes: Improvements: Bug fixes: New features: Improvements: Bug fixes: New Features: Improvements: Bugfixes: New Features: Improvements: Bugfixes: Improvements: Bug fixes: New Features: Improvements: Bugfixes: Improvements: New features: Bugfixes: New Features: [farms] Layer 4 Includes: several listening ports for a farm, DNAT and NAT load balancing methods Improvements: [farms] HTTP/HTTPS farms core balancing upgrade Bugfixes: [farms] Fix regression max number of available connections for TCP farms Improvements: [networking] Disable TCP recycle Bugfixes: [farms] Custom ciphers form for https farm Improvements: [farms] Setting algorithm for uplink load balancing: weight and priority. Bugfixes: [networking] Deleting VLAN interfaces Improvements: [gui] Don’t show overflowed age clients in the farm status panel New features: [farms] Ciphers configuration for PCI (Payment Card Industry) compliance Networking: Gratuitous ARP for cluster speedup Farms: Farm renaming Cluster: Manual force failover GUI: Improving RRD files and graphs for monitoring Bugfixes: When ifup is executed, try to create the interface first New features: An icon is included when no link is detected in network interfaces Fix creation of network rules for every interface Bugs solved about Delete Real servers on a farm Added apt repository for updates A new look for frontend GUI A frontend GUI form manage Zen Load Balancer Appliance
Zevenet 5.0.1 (Enterprise Edition)
27 March, 2017
[ipds] Remove blacklist from memory when no running farm is using it
[api] Fix ciphers information inHTTPS farms
[cluster] Handle password safely configuring the cluster in case there are symbols
[ipds] Fix remote blacklists setup on cluster backup node
[networking] Allow hypens in network interface names
[gui] Fix HTTP Redirect regular expression
[gui] Fix space for period unit field in remote blacklists
[gui] Fix selecting all backups
[gui] Fix HTTP Redirect regular expression
[installer] Include dependencies when upgrading from Zen 4.2
Zevenet 5.0 (Enterprise Edition)
20 March, 2017
[api] New API v3 version, entire system can be managed by API Rest+JSON.
[gui] New Web GUI in Angular2 100% responsive.
[security] New security module v1 called Internet prevention and detection service or IPDS with blacklists and DDoS prevention.
[gui] Local service load balancing module or LSLB now manages http, https and l4xnat profiles.
[gui] Global service load balancing module or GSLB now manages gslb profiles.
[gui] Datalink service load balancing module or DSLB now manages datalink profiles.
[doc] Updated documentation for zevenet v5.
[sys] Floating IPs, VIPs can be assigned to interfaces.
[cluster] Stateful cluster for l4xnat profiles.
Zevenet 4.3.1 (Enterprise Edition)
21 February, 2017
[gui] Password is not a mandatory field in Sender notifications by email.
[gui] Solved minux bug in Help module.
Zevenet v4.0 (Community Edition)
3 February, 2017
[sys] Operating system and packages updated to Debian 8.7
[sys] Mini_httpd web server changed for Cherokee web server
Zevenet 4.3.0 (Enterprise Edition)
29 January, 2017
[sys] Renamed system packages from zen to zevenet
Zen Load Balancer v4.2.5 (Enterprise Edition)
3 January, 2017
[farms] Solved issue showing Established Conns in HTTP farms in API v2 and v2.1.
[net] Bonding interfaces don’t start after a reboot.
Zen Load Balancer v4.2.4 (Enterprise Edition)
28 November, 2016
[farms] Not allowed to modify any value if farm is up.
Zen Load Balancer v4.2.3 (Enterprise Edition)
14 November, 2016
[farms] Reduce UDP conntrack timeout and increase UDP memory.
[net] Route tables were not loaded at boot time.
[gui] Disable the possibility of farm renaming in WebGUI when they are up and running.
Zen Load Balancer v4.2.2 (Enterprise Edition)
24 October, 2016
[notifications] Notification module sends mails without authentication in smtp server.
[notifications] Notification module configuration is preserved during update.
[farms] Solved bug with L4xnat Persistence session.
[cluster] Some network interfaces weren’t stopping in cluster switching.
[farmguardian] Solved advanced health checks compatibility between zen 3100 and zen 4100.
[net] Solved issue with link interface status (UNKNOWN) for driver vmxnet3 (Vmware).
[notifications] Modified some regular expressions in the Notifications module and l4xnat profile.
[cluster] Forced network advertisement once startlocal concludes.
Zen Load Balancer v4.2.1 (Enterprise Edition)
22 September, 2016
[notifications] Notification module sends mails without authentication in smtp server.
[cluster] Solved issue listing all virtual interfaces in zen advertisement event.
Zen Load Balancer v4.2 (Enterprise Edition)
21 September, 2016
[sys] SNMPD is supported.
[sys] Bonding. Supported 7 different types, LACP included.
[farms] New DNS records can be created, AAAA, MX, TXT, SRV, PTR, NAPTR.
[farms] FarmGuardian configuration for GSLB profiles.
[sys] Notifications: System alerts through email when a backend server goes DOWN / UP
[sys] Notifications: System alerts through email when cluster service switches.
[farms] HTTP and HTTPS Statistics, Stats are generated in base of the Service that manages the request in place of the Virtual IP.
[farms] HTTP and HTTPS services order can be changed, useful for users that use Zen HTTP profiles as reverse proxy.
[sys] All services integrate logs with syslog.
[farms] Added more checks for FarmGuardian: native checks for oracle, mysql, dns, postgresql, ftp, radius and more.
[sys] Minor bugfix in input form parameters and regular expressions.
[farmguardian] FarmGuardian icon is shown in conns stats when farmguardian disables backend for HTTP and HTTPS profiles.
Zen Load Balancer v4.1.13 (Enterprise Edition)
26 August, 2016
[farms] Disabled flood messages when session is created / updated in HTTP farms.
[cluster] Stop virtual interfaces configured in the same interface that cluster runs.
Zen Load Balancer v4.1.12 (Enterprise Edition)
5 August, 2016
[farms] Fix HTTP profile during migration to 402.
[farms] HTTP binary profile compilation for GLIBC 2.13 instead of 2.14.
Zen Load Balancer v4.1.11 (Enterprise Edition)
14 July, 2016
[cluster]Issue sending gratuitous arp packets just after a cluster switching.
Zen Load Balancer v4.1.10 (Enterprise Edition)
11 July, 2016
[cluster] Fix random cluster flapping.
Zen Load Balancer v4.1.9 (Enterprise Edition)
26 June, 2016
[sys] Plugins system.
[sys] Help plugin.
[sys] HTTP profile memory efficient dynamic thread model.
[sys] Several graph fixes and improvements.
[api] ZAPI v2 GSLB backend removal.
[sys] Fix management interface in zenbui.
Zen Load Balancer v4.1.8 (Enterprise Edition)
9 June, 2016
[sys] Fix interfaces configuration with same ip.
[sys] Fix cgi handling for web and zapi interfaces.
Zen Load Balancer v4.1.7 (Enterprise Edition)
5 May, 2016
[farms] Fix L4xNAT connmark rules.
[farms] Start farm at the end of L4xNAT farm creation process.
[farms] Improved multiport definition detection.
Zen Load Balancer v4.1.6 (Enterprise Edition)
1 April, 2016
[sys] Error control when a new Virtual Network Interface or Vlan is created.
[sys] Error control when we set up or down a Virtual Network Interface or Vlan.
[farms] Enable session status table for HTTP Conn Stats.
[farms] Configure Disable SSLv3 in https farms.
[cluster] Cluster configuration when a backup failover is reboot.
Zen Load Balancer v3.10 (Community Edition)
29 March, 2016
[sys] New Kernel Updated to 3.16 (Debian Jessie Base)
[sys] Debian packages consolidation
[farms] Allow to edit farms with stopped status
[farms] TCP profile deleted, L4xNAT should be used instead
[farms] GSLB Profile deleted
[sys] L7 profile for HTTP[S] core updated with distro package
[sys] Openssl Library updated with distro package
[sys] Cluster service updated with distro package
[sys] Web GUI service updated with distro package
[sys] Added and updated libexec scripts
[sys] Include disks information through snmp
[farms] Minor bugs fixing related to HTTP farms services
[farmguardian] Fix persistence sessions losing L4xNAT after deactivating a backend
[farms] Fixed online weight calculation L4xNAT farms
[net] Minor bugs fixed in section Conns Stats
[gui] Fix special characters issue with root/admin password
Zen Load Balancer v4.1.5 (Enterprise Edition)
16 March, 2016
[farmguardian] FarmGuardian’s memory resource usage is reduced.
[cluster] Cluster global checks for zen latency and zen inotify.
[farms] Migration script for HTTP and HTTPS profiles (Disable SSLv3, Backend Cookie, dyn scale and others directives).
[sys] Allowed reserved characters “$” for root password in webgui.
[api] ZAPI input control error for virtual network interfaces and reject to configure a duplicated IP.
Zen Load Balancer v4.1.4 (Enterprise Edition)
4 March, 2016
[farms] IP persistence in L4xNAT regression bug.
Zen Load Balancer v4.1.2 (Enterprise Edition)
17 February, 2016
[sys] Include package list and system statistics for better analysis.
[farms] Fix L4 backend marks.
Zen Load Balancer v4.1.3 (Enterprise Edition)
17 February, 2016
[farms] Set save parameters for L4xNAT profile with persistence in ZLB 3000 series.
Zen Load Balancer v4.1.1 (Enterprise Edition)
2 February, 2016
[farmguardian] Compact logs in Farmguardian.
[farms] Improved maximum number of threads.
[farmguardian] Farmguardian memory leak.
[farmguardian] Farmguardian start in farms L4xNAT.
[farmguardian] Farmguardian failure with HTTP farms.
Zen Load Balancer v4.1 (Enterprise Edition)
28 January, 2016
[farms] Maintenance mode for L4xNAT backends.
[farms] Deprecated TCP / UDP profile.
[gui] Enable modify farms in stopped mode.
[api] New ZAPI version v2.
[api] Monitoring farms through API.
[gui] Farms global parameters reorganization.
[gui] Configuration forms usage improvement.
[net] Improved the global stats calculation.
[gui] Reduced navigation urls in webgui.
[farms] Modify l4xnat’s farm parameters on the fly.
[farms] L4 farms performance improvement.
[gui] Improved responsive web inteface.
[all] Source code refactoring.
[all] Minor bug fixing.
Zen Load Balancer v4.0 (Enterprise Edition)
16 June, 2015
[farms] HTTP/S farms core update
[gui] New web GUI with responsive support
[system] Improved graphic first menu setup
[gui] Improved CGI execution access protection
[gui] web GUI interface reset after upgrade
[farmguardian] L4xNAT farmguardian bugfix changing backend states
[farms] L4xNAT scheduler bugfixes
[gui] RESTful API
[system] New web GUI server
[gui] System users management integrated in the web GUI and Zen API
Zen Load Balancer v3.08 (Enterprise Edition)
24 March, 2015
[networking] UDP and TCP timeout stream optimization
[farms] Solved issue with connection stats
[farms] Not allowed to rename a farm with an empty value
[farms] Preserve .htpasswd after upgrading
[farms] GSLB several bugfixes
[farms] Disable SSLv3 for Poodle in HTTPS farms
[farms] Load conntrack modules after upgrade
Zen Load Balancer v3.06 (Enterprise Edition)
17 February, 2015
[farms] New Least Response HTTP algorithm
[farms] New SNI multiple certificates handler for HTTPS farms
[farms] SAN certificates added support. Disable exit error when CN is not present.
[farms] New xHTTP PATCH verb support for HTTP farms
[farms] L4 SIP improvements, FTP and TFTP support. Least Connections algorithm.
[farms] Enable DNAT option for SIP protocols
[cluster] Clustering gratuitous ping support
[farms] Pound patches until 1 Nov 2014
[net] Static routes improvement
[farms] Several SIP farms support in different ports
[farms] Updated GSLB farm
[farms] SIP connections are not being shown in the web GUI
[farms] SSLv3 vulnerability POODLE patch
[farms] CRIME attack vulnerability patch
[farms] Validate service name within HTTP farms without no valid characters
[gui] Networking extension functions ending file bug
[gui] Problem syncing the root password through the web GUI
[farms] Rename RRD files to the new farm name
[farms] Delete old farms graphs
[sys] Dependency order for SSH and zenloadbalancer services
[cluster] Startup cluster service bugfix
Zen Load Balancer v3.05 (Community Edition)
26 August, 2014
[farms] L4 SIP load balancing support
[farms] Simple GSLB load balancing support
[ssl] Granted CA SSL Certificates automatic generation
[gui] Dynamic news platform support
[gui] HTTP farm client request timeout with unit “seconds”
[gui] Refreshing timeout for farms status view
[cluster] Improved RSA synchronization
[gui] Advise message regarding no cluster configuration found
[gui] return back button to All Farms in farm edition panel
[farms] Datalink farm wrong info in farms table
[farms] FG backend status file mutex implementation
[gui] date-time wrong formatted fix
[farms] Modification of Priority and Timeout parameters could cause a inconsistency in the HTTP/S farms configuration file
[farms] Farmguardian error in TCP farms, the backends are not remaining down while FG is checking them.
Zen Load Balancer v3.04 (Enterprise Edition)
5 April, 2014
[cluster] Cluster service avoid hardcoded vhid and deadratio parameters
[installation] Postinstallation script global.conf checking
[farmguardian] Farmguardian startup bug fixes
[farmguardian] Fix FarmGuardian execution for L4 farms
[farms] Datalink infinite loop getDevData() showing farm info
[farms] Manage HTTP/S farms connection bug due to wrong lb core child pid
[farms] L4 persistency multiprotocol command fix
[farms] Set priority value for L4 by default
[farmguardian] Farmguardian startup status fixed
[farms] Farms name hyphens filtering fixed
[farmguardian] FarmGuardian up status for the backends before stopping the FG service
[farms] L4 netstat connections
[farms] HTTP/S farm redirect fix when a redirect name is used
[logs] Regression: delete debug messages
[farms] Backend states on HTTP/HTTPS farms become inconsistent when the service doesn’t exist in the configuration file (the farm restart has not been performed). Service ID will be null
[farms] New backends are not included in the backend status file
[farms] Setting L4 TTL field is not applied by default. An automatic restart is needed
[farms] DateTime errors in the log files. The DateTime has been changed to system ‘date’ command
[farms] Force drain sessions automatically when a backend is detected as down
[farms] L4 farms connections accounting are not showing properly in the status panel
[config] Delete generated global.conf, it could be rewritten an already configured load balancer by the default one
[installation] Include interactive mode post-installation and error solved
[installation] Delete config files at installation time
[gui] Shell error solved getting ZLB version
[farmguardian] Farmguardian defunct processes and tcp/udp farm malfunction
[farms] TCP and UDP with pen LB, the backend never comes alive from FGdown. These kind of farms doesn’t need to detect the state change for a backend, as they need to refresh always the blacklisted timeout
Zen Load Balancer v3.03
18 October, 2013
[farms] HTTPS Backends. The load balancer can manage https connections to backends, ssl offload can be disabled.
[farms] HTTP timeouts. Added new timeout fields for managing time in response and request headers
[farms] L4 agnostic protocol. It can be balanced any kind of protocol, not only UDP or TCP.
[farms] Added priority algorithm for L4 load balancing.
[cluster] Added a new timeout field for managing the response time for switching the service.
[gui] Added a logout button in the web gui.
[system] Run own scripts. Added the possibility for making own scripts that are executed in events: start / stop service, i.e. firewall configuration, sending mails, etc.
[L4 masquerade] the farm connects to backends from the IP in the same subnet that backend.
[farms] HTTP and HTTPS in a farm. Now the HTTPS configuration is a property of HTTP farms, not a different farm.
[farms] TNAT and UNAT in a farm. Now TCP or UDP protocols can be managed in the same L4 farm.
[gui] For saving resources, RRD graphs are created on the fly, not in a cron task.
[gui] Solved bug for syncing web gui user password and root system user password
[farms] L4 CONNECTIONS. Solved issue for showing connections status in L4 farms
[Farmguardian] Solved bug for managing backend checks and backends status.
[farms] Improvement in some HTTP regular expression for VIrtual Host and Redirect fields.
Zen Load Balancer v3.02
22 February, 2013
[farmguardian] Advanced checking system optimization switching backend states
[cluster] Time synchronization improvement
[farmguardian] Layer 4 advanced checking support
[system] Security improvement
[system] Vulnerabilities fix
[webgui] css iexplorer 9 compliance
[farms] adding l4 backends without weight value
16 August, 2012
[farmguardian] Advanced Farmguardian support for HTTP and HTTPS
[farms] Virtual host support for HTTP and HTTPS farms
10 April, 2012
[farms] Check invalid characters for a farm name
[system] Do not reset the GUI password when updating the package
[farms] Bad formatted error message when inserting bad weight value for http and https farms
[system] Improvement sysctl options at boot time
28 February, 2012
[farms] HTTP and HTTPS maintenance mode lose configuration
[cluster] Cluster failover by itself
[cluster] Cluster failover master node returns to backup on equals mode
[system] Configure the default apt sources for v2
[gui] Max length in virtual interface field
[gui] Only allow numeric characters in vlan field
[gui] Change position for Test RSA button
[farms] Max Connections for real servers could produce a farm to close connections
[gui] Sort monitoring graphs.
[gui] Check http(s) farms configuration before stop
[gui] Expand farm name in the top of the Manage Farms panel
[cluster] Maintenance mode for cluster nodes
[cluster] Disable _modify cluster type_ in the backup node
[cluster] Include VHID param in cluster configuration
[gui] Increase farm’s name field size
13 February, 2012
[networking] Problem configuring VLAN interface over a down physical interface
[gui] No connections appears for status backends when the farm is started over a virtual interface
[cluster] Failover button always failback to the primary node – Change ‘Force failover’ to ‘Test failover’ text button
[farms] Disable rewrite location for HTTP farms
[gui] Fix HTTP/S farm configuration CSS
[gui] SSL certificates uploading from Windows systems shows the full file path
[gui] Treatment of special characters under the farmguardian field
[gui] Shows the default global gateway under the interfaces table when an interface hasn’t a route table
[gui] CPU rrd graph always show the same values
[gui] Incorrect CPU and MEM farms data in Global View
[gui] Improve SSL certificates panel
[cluster] Improve cluster startup
[cluster] Improve SSH connection between nodes
[farms] Keepalive configuration for inactive TCP connections through firewalls
[farms] Maintenance button for backends
[gui] Farm connections monitoring graphs
[farms] Uplinks load balancing
[gui] Change GUI port
21 November, 2011
TCP Kernel tuning to improve throughput
Improve load balancer algorithm for TCP farms
Advanced HTTP/HTTPS support
Certificates management for https profiles
State icons on farms and backends
Improving status backends section
Minimize button for views on farm status section
Improving Global View
New certificates manager section for https profiles
Improve CSS look web panel
26 September, 2011
MAC duplication fixed and interface group sort is applied
Fix network interface unlink state
Check UP interface in state
Modified zenloadbalancer script for add more open files permission
Modified zenrrd script to save one year of date
Modified zenrrd task to run every 5 minutes
Regular expression function ifexist
Regular expression function getDefaultGW
Modified zenloadbalancer init script to add fs.file-max
Rewrite $if for down interfaces
Confirm dialog boxes while deleting configuration
1 August, 2011
Delete rrd graphs for unavaliable network interfaces
Fix Global Information section of Global view
Improvement of CSS frontend
Implemented suggestion: Add delete network interface icon for physical NICs
Improved configuration process and panel of Cluster section
Implemented suggestion: GUI ip and Cluster ip doesn’t have to be the same
Fix the RSA configuration between cluster nodes
Fix replication service between cluster nodes
Addition of ‘Force sync configuration’ button on the master cluster node
Automatic insertion of apt network repositories
The ZenLB ISO is able to be burned into a USB memory device like a CD
Fix other BUGs detected on lab testing
Fix farmguardian and double quotes on strings for check
18 May, 2011
8 April, 2011
Added APT configuration file on GUI
Added DNS configuration file on GUI
Bugs solved on GUI about HTML standard on form buttons
Added session timeout for connection clients on GUI
Added license section on GUI
Added sync pass with admin user GUI and root user
Bugs solved on GUI entering illegal values on farm configuration
Max connections updated from 507 to 32760 on a farm
Bugs solved about actions buttons on interface section
8 March, 2011
SSL connection on frontend GUI
Advanced view with progress bar on farms
Cluster Service ACTIVE/PASIVE mode
Automatic replication of Cluster service and Zen service configuration
Advanced networking configuration
Multiples route tables for real and vlan interfaces
Backup configuration. Export/Import
A lot of modifications, bug fixed, improvements and proposals by members of the mailing list
First version 0.2
1 September, 2010
Create a lof of TCP Load Balance
Add virtual interface to Real interface
Zen monitoring appliance over RRD graphics
Modify a lot of farms parameters without stop load balance services
Advanced status view of backend servers and farm
[gui] Re-branded from zen to zevenet
[farms] Layer 4 Includes: several listening ports for a farm, DNAT and NAT load balancing methods
[farms] HTTP/HTTPS farms core balancing upgrade
[farms] Fix regression max number of available connections for TCP farms
[networking] Disable TCP recycle
[farms] Custom ciphers form for https farm
[farms] Setting algorithm for uplink load balancing: weight and priority.
[networking] Deleting VLAN interfaces
[gui] Don’t show overflowed age clients in the farm status panel
[farms] Ciphers configuration for PCI (Payment Card Industry) compliance
Gratuitous ARP for cluster speedup
Manual force failover
Improving RRD files and graphs for monitoring
When ifup is executed, try to create the interface first
An icon is included when no link is detected in network interfaces
Fix creation of network rules for every interface
Bugs solved about Delete Real servers on a farm
Added apt repository for updates
A new look for frontend GUI
A frontend GUI form manage Zen Load Balancer Appliance