Administrator's Guide - Kerio Software Archive

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Introduction test a particular VPN server or VPN client with Kerio Control trial version or to contact our technical support (see chapter 26). Note: VPN implementation included in Windows operating system (based on the PPTP protocol) is supported by Kerio Control. Port collision Applications that use the same ports as the firewall cannot be run at the Kerio Control host (or the configuration of the ports must be modified). If all services are running, Kerio Control uses the following ports: • 53/UDP — DNS module, • 67/UDP — DHCP server, • 1900/UDP — the SSDP Discovery service, • 2869/TCP — the UPnP Host service. The SSDP Discovery and UPnP Host services are included in the UPnP support (refer to chapter 18.2). • 4080/TCP — non-secured firewall’s web interface (see chapter 12). This service cannot be disabled. • 4081/TCP — secured (SSL-encrypted) version of the firewall’s web interface (see chapter 12). This service cannot be disabled. • 44333/TCP+UDP — traffic between Kerio Administration Console and the Kerio Control Engine. This service cannot be disabled. The following services use corresponding ports by default. Ports for these services can be changed. • 443/TCP — server of the SSL-VPN interface (only in Kerio Control on Windows — see chapter 24), • 3128/TCP — HTTP proxy server (see chapter 9.4), • 4090/TCP+UDP — proprietary VPN server (for details refer to chapter 23). Antivirus applications Most of the modern desktop antivirus programs (antivirus applications designed to protect desktop workstations) scans also network traffic — typically HTTP, FTP and email protocols. Kerio Control also provides with this feature which may cause collisions. Therefore it is recommended to install a server version of your antivirus program on the Kerio Control host. The server version of the antivirus can also be used to scan Kerio Control’s network traffic or as an additional check to the integrated antivirus Sophos (for details, see chapter 14). If the antivirus program includes so called realtime file protection (automatic scan of all read and written files), it is necessary to exclude directories cache (HTTP cache in Kerio Control see chapter 9.5) and tmp (used for antivirus check). If Kerio Control uses an antivirus to check objects downloaded via HTTP or FTP protocols (see chapter 14.3), the cache directory can be excluded with no risk — files in this directory have already been checked by the antivirus. The Sophos integrated antivirus plug-in does not interact with antivirus application installed on the Kerio Control host (provided that all the conditions described above are 12
2.3 System requirements met). 2.3 System requirements The minimum hardware configuration recommended for Kerio Control: • CPU 1 GHz, • 1 GB RAM, • At least one network interface. For Windows: • 100 MB free disk space for installation of Kerio Control. • Free disk space for statistics (see chapter 21), HTTP cache (see chapter 9.5) and logs (in accordance with their frequency and logging level settings — see chapter 22). For security reasons, all this data is saved in the application’s installation directory subfolders. It is not possible to use another partition or disk. • to keep the installed product (especially its configuration files) as secure as possible, it is recommended to use the NTFS file system. For Kerio Control Software Appliance: • Minimum 3 GB hard disk. • No operating system is required to be installed on the computer. Any existing operating system will be removed from the computer. For Kerio Control VMware Virtual Appliance: • VMware Player, VMware Workstation or VMware Server. • 3 GB free disk space. The following web browsers can be used to access Kerio Control web services (Kerio Control Administration — see chapter 3, Kerio StaR — see chapter 21 and Kerio SSL-VPN — see chapter 24): • Internet Explorer 7 or higher, • Firefox 3 or higher, • Safari 3 or higher. 2.4 Installation - Windows Installation packages Kerio Control is distributed in two editions: one is for 32-bit systems and the other for 64-bit systems (see the product’s download page: http://www.kerio.com/firewall/download). 13
Page 1 and 2: Kerio Control Administrator’s Gui
Page 3 and 4: Contents 1 Quick Checklist . . . .
Page 5 and 6: 13 HTTP and FTP filtering . . . . .
Page 7 and 8: 26 Technical support . . . . . . .
Page 9 and 10: 8. Enable the intrusion prevention
Page 11: 2.2 Conflicting software Warning: S
Page 15 and 16: 2.4 Installation - Windows • TCP/
Page 17 and 18: 2.4 Installation - Windows Warning:
Page 19 and 20: 2.5 Initial configuration wizard (W
Page 21 and 22: 2.6 Upgrade and Uninstallation - Wi
Page 23 and 24: 2.7 Installation - Software Applian
Page 25 and 26: 2.7 Installation - Software Applian
Page 27 and 28: 2.10 Kerio Control Engine Monitor (
Page 29 and 30: 2.11 The firewall’s console (Soft
Page 31 and 32: 3.1 Kerio Control Administration we
Page 33 and 34: 3.2 Administration Console - the ma
Page 35 and 36: 3.3 Administration Console - view p
Page 37 and 38: Chapter 4 License and Registration
Page 39 and 40: 4.3 License information User is def
Page 41 and 42: 4.4 Registration of the product in
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Page 51 and 52: Chapter 5 Network interfaces Kerio
Page 53 and 54: 5.3 Viewing and editing interfaces
Page 55 and 56: 5.3 Viewing and editing interfaces
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6.1 Persistent connection with a si
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6.2 Connection with a single leased
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6.3 Connection Failover Advanced di
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6.3 Connection Failover Figure 6.8
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6.4 Network Load Balancing Note: 1.
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6.4 Network Load Balancing On the t
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6.4 Network Load Balancing Hint: Sp
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Chapter 7 Traffic Policy Traffic Ru
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7.1 Network Rules Wizard Step 4 —
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7.1 Network Rules Wizard Figure 7.5
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7.1 Network Rules Wizard Note: In t
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7.3 Definition of Custom Traffic Ru
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7.4 Basic Traffic Rule Types Do not
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7.4 Basic Traffic Rule Types Figure
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7.4 Basic Traffic Rule Types Transl
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7.5 Policy routing 7.5 Policy routi
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7.6 User accounts and groups in tra
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7.7 Partial Retirement of Protocol
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7.8 Use of Full cone NAT as possibl
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7.9 Media hairpinning the port of t
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8.1 Network intrusion prevention sy
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8.1 Network intrusion prevention sy
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8.2 MAC address filtering Figure 8.
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8.3 Special Security Settings Anti-
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8.4 P2P Eliminator Figure 8.5 Detec
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8.4 P2P Eliminator The Define servi
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9.1 DNS module of the firewall’s
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9.1 DNS module Figure 9.2 Editor of
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9.1 DNS module Figure 9.3 Specific
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9.2 DHCP server If the Do not forwa
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9.2 DHCP server Figure 9.5 DHCP ser
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9.2 DHCP server Leases IP scopes ca
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9.2 DHCP server Figure 9.13 DHCP se
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9.3 Dynamic DNS for public IP addre
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9.4 Proxy server Proxy Server Confi
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9.5 HTTP cache Note: The configurat
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9.5 HTTP cache other objects can be
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9.5 HTTP cache TTL TTL of objects m
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Chapter 10 Bandwidth Limiter The ma
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10.2 Bandwidth Limiter configuratio
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10.2 Bandwidth Limiter configuratio
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10.3 Detection of connections with
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11.1 Firewall User Authentication T
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11.1 Firewall User Authentication a
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12.1 Web interface and certificate
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12.2 User authentication at the web
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Chapter 13 HTTP and FTP filtering K
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13.2 URL Rules Rules in this sectio
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13.2 URL Rules for example a rule a
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13.2 URL Rules • A page informing
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13.3 Content Rating System (Kerio W
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13.3 Content Rating System (Kerio W
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13.4 Web content filtering by word
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13.4 Web content filtering by word
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13.5 FTP Policy Weight Word weight
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13.5 FTP Policy Open the General ta
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13.5 FTP Policy Scan content for vi
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14.2 How to choose and setup antivi
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14.2 How to choose and setup antivi
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14.3 HTTP and FTP scanning Warning:
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14.3 HTTP and FTP scanning Use the
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14.4 Email scanning If only an aste
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14.4 Email scanning Figure 14.9 Set
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14.5 Scanning of files transferred
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15.2 Time Ranges Figure 15.2 IP gro
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15.3 Services Figure 15.4 Time rang
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15.3 Services Protocol The communic
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15.4 URL Groups Note: 1. Generally,
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15.4 URL Groups Examples:: • www.
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16.1 Viewing and definitions of use
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16.2 Local user accounts Accounts m
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16.2 Local user accounts Name Usern
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16.2 Local user accounts Step 3 —
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16.2 Local user accounts Figure 16.
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16.2 Local user accounts Within thi
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16.3 Local user database: external
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16.4 User accounts in Active Direct
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16.5 User groups Note: In case of u
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16.5 User groups Using the Add and
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Chapter 17 Administrative settings
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17.3 Update Checking Figure 17.2 Tr
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17.3 Update Checking Last update ch
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18.1 Routing table Route Types The
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18.2 Universal Plug-and-Play (UPnP)
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18.3 Relay SMTP server 18.3 Relay S
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Chapter 19 Status Information Kerio
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19.1 Active hosts and connected use
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19.2 Network connections overview
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19.2 Network connections overview F
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19.4 Alerts • Session duration.
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19.4 Alerts • Connection failover
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19.4 Alerts Click an event to view
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20.1 Volume of transferred data and
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20.2 Interface statistics Figure 20
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20.2 Interface statistics Figure 20
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21.1 Monitoring and storage of stat
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21.2 Settings for statistics and qu
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21.3 Connection to StaR and viewing
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21.3 Connection to StaR and viewing
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22.1 Log settings Figure 22.1 Log s
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22.1 Log settings Figure 22.3 Syslo
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22.2 Logs Context Menu • Target f
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22.3 Alert Log Figure 22.7 Highligh
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22.5 Connection Log A typical examp
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22.6 Debug Log The expression must
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22.7 Dial Log 3. Disconnection caus
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22.9 Filter Log • 8000-8099 — H
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22.10 Http log Packet log example:
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22.11 Security Log An example of Ht
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22.11 Security Log Example: [17/Jul
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22.13 Warning Log Events causing di
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Chapter 23 Kerio VPN Kerio Control
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23.1 VPN Server Configuration Figur
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23.1 VPN Server Configuration the V
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23.1 VPN Server Configuration Kerio
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23.3 Interconnection of two private
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23.4 Exchange of routing informatio
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23.5 Example of Kerio VPN configura
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23.6 Example of a more complex Keri
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24.1 Kerio Control SSL-VPN configur
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Chapter 25 Specific settings and tr
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25.3 Automatic user authentication
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25.3 Automatic user authentication
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25.4 FTP over Kerio Control proxy s
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25.5 Internet links dialed on deman
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The text file will be stored in the
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Appendix B Used open source items K
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Copyright © 2005 Harald Welte Dist
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Glossary of terms ActiveX This Micr
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Ident The Ident protocol is used fo
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Policy routing Advanced routing tec
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TCP Transmission Control Protocol i
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dial-up 64 dialing scripts 21, 58 h
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S service 89, 207 SIP 210 SSL-VPN 3
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Administrator's Guide - Kerio Software Archive

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