Administrator's Guide - Kerio Software Archive

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Logs If the corresponding service is not defined in Kerio Control (refer to chapter 15.3), the [Service] item is missing in the log. • [User] james name of the user connected to the firewall from a host which participates in the traffic. If no user is currently connected from the corresponding host, the [User] item is missing in the log. • [Connection] TCP 192.168.1.140:1193 -> hit.top.com:80 — protocol, source IP address and port, destination IP address and port. If an appropriate log is found in the DNS module cache (see chapter 9.1), the host’s DNS name is displayed instead of its IP address. If the log is not found in the cache, the name is not detected (such DNS requests would slow Kerio Control down). • [Duration] 121 sec — duration of the connection (in seconds) • [Bytes] 1575/1290/2865 — number of bytes transferred during this connection (transmitted /accepted /total). • [Packets] 5/9/14 — number of packets transferred through this connection (transmitted/accepted/total). 22.6 Debug Log Debug (debug information) is a special log which can be used to monitor certain kinds of information, especially for problem-solving. Too much information could be confusing and impractical if displayed all at the same time. Usually, you only need to display information relating to a particular service or function. In addition, displaying too much information slows Kerio Control’s performance. Therefore, it is strongly recommended to monitor an essential part of information and during the shortest possible period only. Selection of information monitored by the Debug log The window’s context menu for the Debug log includes (see chapter 22.2) further options for advanced settings of the log and for an on-click one-time view of status information. These options are available only to users with full administration rights for Kerio Control (see chapter 16.1).. IP Traffic This function enables monitoring of packets according to the user defined log expression. Figure 22.8 Expression for traffic monitored in the debug log 292
22.6 Debug Log The expression must be defined with special symbols. After clicking on the Help button, a brief description of possible conditions and examples of their use will be displayed. Logging of IP traffic can be cancelled by leaving or setting the Expression entry blank. Show status A single overview of status information regarding certain Kerio Control components. This information can be helpful especially when solving problems with Kerio Technologies technical support. Messages This feature allows advanced monitoring of functioning of individual Kerio Control modules. This information may be helpful when solving issues regarding Kerio Control components and/or certain network services. Figure 22.9 Selection of information monitored by the Debug log • WAN / Dial-up messages information about dialed lines (request dialing, auto disconnection down-counter), • Filtering — logs proving information on filtering of traffic passing through Kerio Control (antivirus control, website classification, detection and elimination of P2P networks, intrusion detection and prevention, dropped packets, etc.), • Accounting — user authentication and monitoring of their activities (protocol recognition, statistics and reporting, etc.), • Kerio Control services — protocols processed by Kerio Control services (DHCP server, the DNS module, web interface, and UPnP support), • Decoded protocols — logs of specific protocols (HTTP and DNS), • Miscellaneous — additional data (e.g. packet processing Bandwidth Limiter, 293
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Kerio Control Administrator’s Gui
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Contents 1 Quick Checklist . . . .
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13 HTTP and FTP filtering . . . . .
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26 Technical support . . . . . . .
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8. Enable the intrusion prevention
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2.2 Conflicting software Warning: S
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2.3 System requirements met). 2.3 S
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2.4 Installation - Windows • TCP/
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2.4 Installation - Windows Warning:
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2.5 Initial configuration wizard (W
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2.6 Upgrade and Uninstallation - Wi
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2.7 Installation - Software Applian
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2.7 Installation - Software Applian
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2.10 Kerio Control Engine Monitor (
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2.11 The firewall’s console (Soft
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3.1 Kerio Control Administration we
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3.2 Administration Console - the ma
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3.3 Administration Console - view p
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Chapter 4 License and Registration
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4.3 License information User is def
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4.4 Registration of the product in
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4.6 Subscription / Update Expiratio
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Chapter 5 Network interfaces Kerio
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5.3 Viewing and editing interfaces
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5.3 Viewing and editing interfaces
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5.5 Advanced dial-up settings Figur
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5.6 Supportive scripts for link con
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6.1 Persistent connection with a si
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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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Page 271 and 272: 20.2 Interface statistics Figure 20
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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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