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Kerio Control 9.3.6 Build 5808 Patch 1 (Firewall)

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Kerio Control 9.3.6 Build 5808 Patch 1 (Firewall)

Kerio Control (Kerio WinRoute Firewall) is an award-winning UTM firewall designed to protect businesses from a comprehensive range of invasive and crippling corporate network threats.

Kerio Control’s auto-updating security layer detects and prevents emerging threats automatically while providing network administrators with flexible user policy tools. The software also provides the complete bandwidth management and QoS control, detailed network monitoring, and IPsec VPN connectivity for desktops, mobile devices and multiple sites.

Designed for corporate networks, it defends against external attacks and viruses and can restrict access to websites based on their content.

Kerio Control provides superior network protection and intelligence that is stable, secure, and above all, simple to manage. That sets new standards in versatility, security and user access control.

Kerio Control is equipped with VPN server, optional embedded Sophos Anti-Virus, integrated customizable ISS Orange Web Filter, and user-specific Internet access management. Also provides a multi-layer architecture for protecting networks, servers and users.

Kerio has added a new IDS/IPS system. It plays an instrumental role in detecting and preventing application exploits and malicious traffic. Just like built-in Sophos gateway antivirus, the IDS/IPS gets frequent automatic updates to ensure that networks are continuously shielded from emerging threats.

Intrusion Prevention System

  • Signature based backet analysis
  • IP blacklisting
  • Rule management

ICSA Labs Certified Firewall

  • Industry accepted standard test criteria
  • Corporate level criteria – enforces default security policy immediately after installation
  • Secure access remote administration – all changes to security policy are logged

Application Layer and Network Firewall

  • Create inbound and outbound traffic policies.
  • Protect servers without the need for a DMZ through application-friendly NAT traversal.
  • Perform stateful packet and protocol inspection and logging.

Anti-virus Protection

  • Filter viruses and worms from incoming and outgoing traffic.
  • Simplify deployment with integrated Sophos engine.
  • Dual anti-virus ready for extra protection.

Web Filter

  • Block access to websites with harmful or inappropriate content
  • 53 different categories of web content
  • Apply categorization to traffic statistics

VPN Server

  • Unlimited site to site connections
  • Mac, Windows, and Linux VPN clients
  • Clientless SSL-VPN for Windows networks

Changes in Kerio Control (May 31, 2021):

  • M1 MAC VPN client support
  • Interface mapping of NG511 Fixed
  • macOS VPN client updated to fix a script that was preventing installation on Big Sur
  • Update Windows VPN Client to make it compatible with Windows 20H2
  • New configuration “”L2TPUpScriptWaitSeconds”” and “L2TPUpScriptConnectTryCount”” introduced to recover stuck LT2P connections
  • New configuration “”DisableUniqueIDs”” introduced to prevent IPSec VPN disconnects
  • New traffic patterns added to properly block Teamviewer connections
  • Introduce new configuration “”InternetLinkAutoGatewayInterfaceList”” to stop probing interfaces which doesn’t have a gateway
  • Fix HA interface name validation failure happens when one of HA machine has legacy interface names
  • OpenSSL library is upgraded from 1.0.2j to 1.1.1d
  • HSTS (Strict-Transport-Security) Header added
  • Upgrade and Factory-reset scripts are failing because of signature image issue
  • Links on the IP Blacklist screen were either wrong or timing out. Now all links corrected
  • Info message displayed after distrusting a certificate updated for VPN connections
  • Fix crash in HA Slave machine happens when slave account host activity
  • TLS triple handshake vulnerability fixed by updating /etc/sshd_config configuration file
  • HSTS causes 2FA fail on Kerio VPN
  • Using Active Directory authentication (only). It causes authentication with Active Directory to fail making AD user connections not possible.

Changes in Kerio Control 9.3.5 (August 27, 2020):


  • The custom logo does not appear on login or deny pages
  • Wrong Country code for Serbia
  • Active Connections – Destination Country missing table information
  • Active Connections – Source Country missing table information
  • Content filter rules not blocking Teamviewer
  • Page refresh/close display an error dialog on Google Chrome
  • Unable to complete PPPoE discovery (NBN connection)
  • VPN Driver does not install on Windows 10 Update 2004
  • Kerio Control Slave unit fails to dial PPPoE
  • Localization string “Alert-HA” not found in any language
  • Statistics report errors in HA-Slave control
  • Unable to differentiate email report if from Master or Slave
  • Fixes for NG110, NG310, NG510/511 compatibility issues

Changes in Kerio Control 9.3.4 (February 13, 2020):

Support for a wide range of USB WIFI Adapters – Drivers:

  • rtl818x_pci.ko
  • rtl8187.ko
  • btcoexist.ko
  • rtl8188ee.ko
  • rtl8192c-common.ko
  • rtl8192ce.ko
  • rtl8192cu.ko
  • rtl8192de.ko
  • rtl8192se.ko
  • rtl8723be.ko
  • rtl8723-common.ko
  • rtl8821ae.ko
  • rtl_pci.ko
  • rtl_usb.ko
  • rtlwifi.ko
  • rt2400pci.ko
  • rt2500pci.ko
  • rt2500usb.ko
  • rt2800lib.ko
  • rt2800mmio.ko
  • rt2800pci.ko
  • rt2800usb.ko
  • rt2x00lib.ko
  • rt2x00mmio.ko
  • rt2x00pci.ko
  • rt2x00usb.ko
  • rt61pci.ko
  • rt73usb.ko


  • Last few entries of Active Connections list not displayed correctly in Firefox
  • Active connections table do not show the column entries when the order is changed

Changes in Kerio Control 9.3.3 (December 27, 2019):


  • HyperScan engine in SNORT for increased performance
  • VPN Tunnel supports SHA2 in Phase2


  • Cannot add multiple VPNs into traffic rules

Changes in Kerio Control 9.3.2 (November 21, 2019):


  • VPN Client Support for macOS Catalina
  • VPN Client compatibility with Microsoft Windows 10 (1903)


  • PPPoE Interface not saved on Edit
  • SACK Vulnerability patches to Kernel
  • Problem with port forwarding by source IP with DHCP
  • ScreenConnect application keeps disconnecting
  • DHCP allocated incorrect number shown on UI
  • “Single Internet Link” forwards all traffic to a dead-end if 1 WAN link present
  • Web filter not blocking streaming websites
  • Microsoft Discovery Service not finding devices over VPN
  • Source NAT preselects first entry in list repeatedly
  • User not able to configure tcp_min_snd_mss
  • HA – Active Slave does not apply MAC filter rules properly
  • HA – Sync not working correctly due to incorrect archive filesize
  • VPN Client not opening browser when 2FA configured (Linux)

Changes in Kerio Control 9.3.1 (September 17, 2019):

  • Rеmоvаl оf РНР ѕеrvеr-ѕіdе ѕсrірtіng frоm Wеb Іntеrfасе
  • Uрgrаdе оf ѕtrоngЅwаn 5.5.1
  • Іmрrоvеd ѕtаrtіng/ѕtорріng оf VРN Сlіеnt оn Dеbіаn 8
  • VРN Сlіеnt nоw ѕuрроrtѕ mасОЅ Ніgh Ѕіеrrа
  • Fіхеd: Тrаnѕlаtіоn іѕѕuеѕ
  • Fіхеd: Uѕеr рrеfеrеnсеѕ аutоmаtіс lаnguаgе ѕеt tо dеtесtеd lаnguаgе
  • Fіхеd: Іnѕtаllаtіоn оf VРN Сlіеnt fаіlѕ оn Wіndоwѕ 7, 8
  • Fіхеd: Тhе WіFі drіvеr hаѕ bееn uрdаtеd fоr bеttеr соmраtіbіlіtу аnd ѕtаbіlіtу
  • Fіхеd: Dаѕhbоаrd Тrаffіс Сhаrt Тіlе dоеѕ nоt ѕhоw rеlеvаnt unіtѕ
  • Fіхеd: Сhаngіng dеѕсrірtіоn fоr multірlе uѕеrѕ сhаngеѕ оnlу thоѕе whо hаvе ѕераrаtе соnfіgurаtіоn
  • Fіхеd: Еmрtу ехсluѕіоnѕ fоr соnnесtіоn lіmіt соrruрtѕ соnfіg
  • Fіхеd: Vіеw Guеѕt uѕеrѕ іn Кеrіо Соntrоl Ѕtаtіѕtісѕ ореnѕ ѕtаtѕ оf “Nоt lоggеd іn” uѕеr
  • Fіхеd: WеbАdmіn еrrоr durіng соnfіgurаtіоn іmроrt
  • Fіхеd: Іnѕtаll СА ѕсrееnѕhоtѕ аrе frоm оld FіrеFох
  • Fіхеd: Меnu bаr ісоn nоt орtіmіzеd fоr Мас wіth rеtіnа
  • Fіхеd: Rеmоtе Ѕеrvісеѕ: Dаtа аrе nоt rеlоаdеd whеn сhаngеѕ аrе dіѕсаrdеd оn ѕсrееn rеlоаd
  • Fіхеd: Ваndwіdth mаnаgеmеnt trаffіс dіаlоg: wrоng іnfо tехt
  • Fіхеd: Сrаѕh іn ТhrеаdСрuТіmе, whеn gdаtа.ѕtаrt_еrrоr = 1
  • Fіхеd: аѕѕеrt іn DhсрLеаѕеТаb::ѕаvе()
  • Fіхеd: W10 Еdgе саnnоt lоgіn аnd ассеѕѕ wеb іntеrfасе іf ІРv6 іѕ еnаblеd
  • Fіхеd: mіѕѕіng lіmіtеr оf АV сhесk fаіlеd аlеrt
  • Fіхеd: Ruѕѕіаn Вuѕіnеѕѕ Nеtwоrk blасklіѕt іѕ mіѕѕіng іn ІРЅ uрdаtе
  • Fіхеd: Rеmоvе unѕесurе DЕЅ-СВС3-ЅНА frоm сірhеrlіѕt
  • Fіхеd: Wі-Fі ѕhоuld bе WіFі (lеgаl rеquіrеmеnt)
  • Fіхеd: Кеrіо VРN tunnеlѕ аrе uѕіng lосаl nеtwоrkѕ dеfіnеd іn ІРѕес ѕесtіоn (аѕ Rеmоtе nеtwоrkѕ)
  • Fіхеd: Ехроrtеd сfg. bасkuр іѕ соrruрtеd
  • Fіхеd: Ѕеndіng nоtіfісаtіоnѕ frоm Кеrіо Соntrоl – ІnСоrrесt Fоrmаt оf nоtіfісаtіоn
  • Fіхеd: Оn Grоuрѕ раgе, “Rіghtѕ” соlumn іѕ nоt ѕоrtеd іn соrrесt оrdеr

New in Kerio Control 9:

  • MyKerio. Multiple administrators can manage appliances within an organizations
  • Shared definitions in MyKerio. Allow you to create and manage IP address groups, URL groups and time ranges directly in MyKerio and share them across multiple Kerio Control appliances in a single organization.
  • 2-step verification in MyKerio. The 2-step verification in MyKerio improves the security by requiring an authenticated user to provide an additional form of identification.
  • Preventing denial of service attacks. The connection limits configuration that protects against denial of service (DoS) has been redesigned and now includes enhanced default settings.
  • Bandwidth management works on IPv6. Supports bandwidth management on IPv6 including custom rules and bandwidth reservation.
  • Zero-touch provisioning of Kerio Control Box. Deploy it using MyKerio. If Kerio Control Box is running and connected to the Internet, you can activate and configure the appliance remotely in MyKerio.
  • Automatic identification of network interfaces. During installation, Kerio Control identifies Internet interfaces and local interfaces automatically.

Homepage –

Kerio Control screenshot

Hyper-V Virtual Appliance

  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012 R2
  • Windows Server 2012
  • Windows Server 2008 R2

System requirements for KERIO CONTROL VPN CLIENT:

Windows 64-bit versions:

  • Windows 10 (all editions)
  • Windows 8.1 (all editions except RT)
  • Windows 8 (all editions except RT)
  • Windows 7 (all editions)
  • Windows Server 2012 R2 (all editions except Core)
  • Windows Server 2012 (all editions except Core)
  • Windows Server 2008 R2 (all editions except Core)
  • Windows Server 2008 (all editions except Core)
  • Windows Server 2003 R2 (all editions)
  • Windows Server 2003 (all editions)

Linux 32-bit and 64-bit versions:

  • Debian 8, 9
  • Ubuntu 15.10+


  • OS X 10.8 Mountain Lion
  • OS X 10.9 Mavericks
  • OS X 10.10 Yosemite
  • OS X 10.11 El Capitan
  • macOS 10.12 Sierra
  • macOS 10.13 High Sierra
  • macOS 10.14 Mojave

VMware Virtual Appliance

Kerio Connect VMware Virtual Appliance comes with a pre-installed OS. Works with:

  • Workstation 10, 11, 12
  • Fusion 5, 6, 7, 8
  • Workstation 12 Player
  • vSphere Hypervisor 5.1 and higher


  • Minimal HW configuration (1-20 users): CPU 1 GHz 64-bit, 2 GB RAM, 40 GB of free space for message store and backup
  • Recommended HW configuration (20-100 users): CPU 2 GHz 64-bit, 4 GB RAM, 160 GB of free space for message store and backup
  • Recommended HW configuration (100+ users): CPU 2.8 GHz 64-bit Quad Core, 16 GB RAM, 64-bit OS, 200 GB+ of free space for message store and backup


  • Minimal HW configuration (1-20 users): Mac Intel Core2Duo 64-bit, 2 GB RAM, 40 GB of free space for message store and backup
  • Recommended HW configuration (20-100 users): Mac Intel Core i5 64-bit, 4 GB RAM, 160 GB of free space for message store and backup
  • Recommended HW configuration (100+ users): Mac Intel Core i7 64-bit, 16 GB RAM, 200 GB+ of free space for message store and backup


  • The same requirements as for the standard installation + the host OS overhead.

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