Kerio WinRoute Firewall 6 w/ McAfee AV 10 users SUB
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1. a reservation for the network printer The address you reserve need not necessarily belong to the scope described above however it must belong to the specified network in 8 2 6 DNS configuration this example the 192 168 1 3 address is reserved You need to know the hardware MAC address of the printing machine to make the reservation Hint Do not make the reservation manually unless you know the MAC address of your printing machine Run the DHCP server and connect the machine to the network An IP address from the formerly defined scope see above will be assigned to the printing machine In the list of leased addresses mark this IP address and click on Reserve This opens a dialog for IP address reservation with the corresponding MAC address already predefined Change reserved IP address to the desired one 192 168 1 3 edit the description and click on OK Restart your printing machine The appropriate IP address will be assigned to the printing machine by the DHCP server after the restart Notes 1 Do not enable allow the DHCP server unless all desired scopes and reservations are made or unless you need to determine a client s MAC address see above 2 You can also use another DHCP server to detect settings of your network equipment au tomatically Set the firewall computer s internal IP address 192 168 1 1 as the default gateway and DNS server in parameters for this range on the DHCP server 2 6 D2. machine is configured automatically and its address is listed in the DHCP lease list If configured manually the printing machine will be independent of the DHCP server s availability e Dynamic IP addresses will be assigned to local workstations easier configuration Th Workstation Network T 92 168 1 1E C LA e z Work Kerio WinRoute Firewall Kerio MailServer AEE Workstation Domain controller LAN FIP server 255 255 235 0 Figure 2 1 Example of configuration of a network with assigned IP addresses Notes 1 The DNS domain in the LAN must be identical with the Active Directory domain i e company com 2 IPaddresses 10 1 1 xwiththemask255 255 255 0andthefilial company com DNS domain will be used in the network of the branch office 2 2 Configuration of network interfaces of the Internet gateway Internet gateway is a host or a server at the boundary of LAN and the Internet It is the machine where WinRoute will be installed refer to chapter 2 3 Internet Interfaces TCP IP parameters of the Internet interface must be set according to information provided by your ISP The following parameters are reguired for proper functionality of the Internet interface IP address subnet mask default gateway and at least one DNS server s address The web interface of the company headguarter s firewall should have a fixed IP address to make it possible for the filial s server and VPN clients to connect to it se
3. the IP address of the headguarter s domain server 192 168 1 2 which is used as the primary server for the company com domain as the DNS server used for forwarding Domain Network DNS server s 192 168 1 0 255 255 255 0 192 168 1 2 company com 192 168 1 2 Table 4 4 Filial DNS forwarding configuration 4 3 VPN test Configuration of the VPN tunnel has been completed by now At this point it is recommended to test availability of the remote hosts from each end of the tunnel from both local networks For example the ping or and tracert operating system commands can be used for this testing It is recommended to test availability of remote hosts both through IP addresses and DNS names 21 Chapter 4 Interconnection of the headquarters and branch offices If a remote host is tested through IP address and it does not respond check configuration of the traffic rules or and find out whether the subnets do not collide i e whether the same subnet is not used at both ends of the tunnel If an IP address is tested successfully and an error is reported Unknown host when a corre sponding DNS name is tested then check configuration of the DNS Note VPN clients connecting to the headquarters server can access both the headquarters and the branch office the access is not limited by any restrictions Therefore it is recommended to test connection to both networks also from the VPN client 22 A
4. Kerio WinRoute Firewall 6 Step by Step Configuration Kerio Technologies s r o Kerio Technologies s r o All rights reserved This guide provides detailed description on configuration of the local network which uses the Kerio WinRoute Firewall version 6 7 All additional modifications and updates reserved For current version of the product go to http www kerio com firewal download For other documents addressing the product see http www kerio com firewall manual Contents 1 Introducti r NR WE FN OFO Deeded EF RAF NR Sank 4 2 Headquarters configuration YY YY A EE EL AEE EL ER DD uag 5 2 1 Selection of IP addresses for LAN Y YY FY Y RF Y Y uu 5 2 2 Configuration of network interfaces of the Internet gateway 6 2 3 WinRoute Installation 0 000 FF FR Y Ya 7 2 4 Basic Traffic Policy Configuration 6 0 0000 eee 7 2 5 DHCP Server Configuration rsrsrsr renr eee uu 8 2 6 DNS configuration Y EF LY uu 9 2 7 _ Web interface and SSL VPN certificates YY YY Y Y YY A 10 2 8 Mapping of user accounts and groups from the Active Directory 10 2 9 Address Groups and Time Rang S L LY uu 11 2 10 Web Rules Definition uu 11 2 11 FTP Policy Configuration Y VYL Y Y Y Y Ru 13 2 12 Antivirus Scanning Configuration VVL Y Y LL Y
5. NS configuration In Configuration DNS keep the default settings the DNS forwarder service and simple DNS translation woth the hosts file and a table of leased addresses are allowed and set the advanced options e Enter the local DNS domain name company com e Enable the Use custom forwarding option Add the rule for forwarding of requests to the Active Directory i e of all requests for names starting with _ underscore to the domain server in the LAN This setting is required for correct communication of local computers with the domain server DNS name Forward to DNS servers 192 168 1 2 Table 2 1 Rule for forwarding of DNS requests to Active Directory It is also necessary to add rules for correct forwarding of DNS queries between the headquarters network and networks of branch offices For detailed description on these settings refer to chapters 4 1 and 4 2 Chapter 2 Headquarters configuration 2 7 Web interface and SSL VPN certificates WinRoute s web interface shows relevant information in case that any attempt to access for bidden web sites is detected see chapter 2 10 Users can also use the web interface to set various parameters of their accounts or to access statistics The Clientless SSL VPN interface is used for secured remote connections to shared files in local networks by a web browser For proper functionality of web services an SSL certificate is required that proves the ser
6. Service Action Translation Valid in Access to emaillGroup Access Firewall IMAP Allow Working hours to email IMAPS POP3 POP3S Table 2 3 Enabling access to the firewall s mailserver services Notes 1 This rule enables access to IMAP and POP3 services in both encrypted and unen crypted versions client can select which service they will use 2 Based on this example the SMTP service was mapped by the traffic rules Wizard refer to chapter 2 4 the appropriate rule already exists 3 Access to the SMTP service must not be limited to certain IP addresses only as anyone is allowed to send an email to the local domain 14 2 14 Secured access of remote clients to LAN 2 14 Secured access of remote clients to LAN Enable the VPN server for secured access of remote clients VPN clients to LAN under Con figuration Interfaces for details see chapter 4 1 No additional settings are required Com munication of VPN clients is already allowed by the traffic policy created by the wizard refer to chapter 2 4 Note VPN clients will connect only to the headquarters server No settings for VPN clients are required at the branch office server s Kerio VPN Client Kerio VPN Client must be installed at each remote host to enable their connection to the VPN server in WinRoute This application is available for Windows Mac OS X and Linux Installation files can be downloaded from http www ke
7. Y Y Rug 14 2 13 Enabling access to local services from the Internet 14 2 14 Secured access of remote clients to LAN 005 00 Y Y eens 15 2 15 LAN Hosts Configuration 0 5 Y Y EF YY Ru 15 2 16 Viewing statistics of Internet usage and user browsing behavior 15 3 Configuration of the LAN in a filial office 0 0 0 ccc eee 17 3 1 Configuration of network interfaces of the Internet gateway 17 3 2 DNS configuration 0 06 0 EF Y FF YY uu 17 3 3 DHCP Server Configuration Y Y EY eee eee 17 4 Interconnection of the headquarters and branch offices 19 4 1 Headquarters configuration 0 060066 20 4 2 Configuration of a filial office 00 000 cece eee 21 AS VPN LOSE huy a deat eee bide tems te eidd wyn wor he earner eet ed 21 A Legal Notices acen A nU eae 23 Chapter 1 Introduction This guide describes the steps needed to deploy WinRoute in an example network This net work includes most elements present in a real life WinRoute network Internet access from the local network protection against attacks from the Internet access to selected services on the LAN from the Internet user access control automatic configuration of clients on the LAN user authentication in the Active Directory domain user browsing behavior control etc Another issue is to provide interconnection of networks between
8. a of any user belonging to this domain For automatic authentication with NTLM web browsers Kerio Outlook Connector etc name of the corresponding Windows NT domain is also reguired i e COMPANY Creating templates for user accounts On the User Accounts tab select the mapped Active Directory domain i e company com If mapping is set correctly all user accounts included in the domain will be displayed here Click on the Template button to define a template for user accounts It is also intended to enable remote users to access the local network by Kerio VPN Client or Clientless SSL VPN Set user rights on the Rights tab Hint 10 2 9 Address Groups and Time Ranges In case you do not want to use any of the domain accounts you can block them in WinRoute and hide blocked accounts The accounts will be blocked only in WinRoute they will stay active in the domain Accounts blocked on the domain server will not be even imported to WinRoute 2 9 Address Groups and Time Ranges Open the Configuration Definitions Address Groups section to create IP group Email Access that will be used to limit access to email accounts refer to chapter 2 13 This group will con sist of the 123 23 32 123 and 50 60 70 80 IP addresses and of the entire 195 95 95 128 network with the 255 255 255 248 network mask Note Definition of the first group reguires name of the new group later additions allow selection of an existing gr
9. ble for all files transferred by FTP to be checked by the antivirus thor oughly it is also recommended to enable the Forbid resume due to antivirus scanning rule FTP server in local network In the following example we intend to enable the local FTP server from the Internet The Forbid upload rule denies even upload to this server which is not always desirable For this reason we must add a rule that would enable upload to this server before the Forbid upload rule Notes On the General tab set the following condition if any user acesses FIP server 192 168 1 10 then allow On the Advanced tab set the operation type to Upload and use the wildcard for any file 1 The IP address of the host where the appropriate FTP service is running must be used to define the FTP server s IP address It is not possible to use an outbound IP address of the firewall that the FTP server is mapped from unless the FTP server runs on the firewall IP addresses are translated before the content filtering rules are applied 2 The same method can be also applied to enable upload to a particular FTP server in the Internet whereas upload to other FIP servers will be forbidden 13 Chapter 2 Headquarters configuration 2 12 Antivirus Scanning Configuration Any supported external antivirus application that you intend to use must be installed first The McAfee antivirus application is integrated into WinRoute and you will need a special l
10. e requirements in 6 2 3 WinRoute Installation chapter 1 Suppose that the ISP has aasigned IP adddress 63 55 21 12 It is also recom mended to assign a DNS name e g kwf company com to this IP address otherwise all VPN clients will be reguired to define the server by the IP address Verify connectivity i e by using the ping command or by opening a Web site using your browser LAN Interface The following parameters will be set at the LAN Interface e IP address we will use the 192 168 1 1 IP address refer to chapter 2 1 e network mask 255 255 255 0 e default gateway no default gateway is allowed at this interface e DNS server for proper functionality of authentication in the Active Directory the particular domain server must be set as the primary DNS server IP adresa 192 168 1 2 2 3 WinRoute Installation On the host which is used as the Internet gateway see chapter 2 1 start WinRoute s installa tion Select Full installation If the installation program detects the Internet Connection Sharing service it is recommended to strictly disable this service otherwise collisions might occur and WinRoute may work in correctly It is also recommended to disable also other system services which might cause collisions Universal Plug and Play Device Host and SSDP Discovery Service In the final stage of the installation the WinRoute s initial configuration wizard is started where you set admi
11. erio VPN at the filial s firewall and for incoming traffic the server uses a dynamic IP address and clients cannot connect to it For this reason it is now necessary to disable creating of rules for Clientless SSL VPN e Rules for incoming traffic Step 6 add mapping of SMTP service on the firewall Note In this step you can also define mapping for other hosted services such as an FTP server This will be better understood through the second method custom rule definition For details see chapter 2 13 2 5 DHCP Server Configuration Go to the Configuration DHCP server section in Kerio Administration Console Open the Scopes tab to create an IP scope for hosts to which addresses will be assigned dynamically the Add Scope option The following parameters must be specified to define address scopes e Address rsnge select 192 168 1 10 to 192 168 1 254 addresses from 192 168 1 1 to 192 168 1 9 will be reserved for servers and printing machines e Network mask 255 255 255 0 e Default gateway IP address of the firewall interface that is connected to the local network 192 168 1 1 e DNS server IP address of the firewall interface that is connected to the local network 192 168 1 1 the same as the default gateway The WinRoute s DNS forwarder will be used as the primary DNS server The forwarder will procure correct forwarding of reguests between the company s offices and to the Internet Now add
12. ffice For quick configuration of the filial s LAN it is possible to follow similar method as for the headquarter s network see chapter 2 The only difference is in DNS and DHCP configuration Supposing that there is no domain server or any other DNS server in the filial s network The WinRoute s DNS module will be used as the primary DNS server 3 1 Configuration of network interfaces of the Internet gateway Set a fixed IP address e g 10 1 1 1 at the firewall s interface connected to the local network Set the same IP address as the primary DNS server this ensures that also DNS queries from the local host will be forwarded to the DNS Forwarder this is important especially in case that dial up connection is used Make sure that no default gateway is set on this interface Follow the ISP s instructions to set the interface connected to the Internet 3 2 DNS configuration In Configuration DNS keep the default settings the DNS forwarder service and simple DNS translation woth the hosts file and a table of leased addresses are allowed and set the advanced options e Enter the local DNS domain name filial company com e Enable the Use custom forwarding option The settings are addressed in details in chap ter 4 2 e It is recommended to add a record about the server or about other hosts to which a fixed IP address will be assigned to the hosts file 10 1 1 1 server 3 3 DHCP Server Configuration Go t
13. icense to run it The ideal solution is to combine the integrated and an external antivirus so called dual antivirus check In Configuration Content Filtering Antivirus on the Antivirus tab set antiviruses and if applicable also advanced settings for the selected external antivirus For com plete list of supported antiviruses and their detailed configuration guides refer to http www kerio com firewal1l third party av WinRoute allows to select protocols which antivirus check will be applied to The HTTP FTP scanning Email scanning and SSL VPN scanning tabs enable detailed configuration of scanning of individual protocols Usually the default settings are convenient 2 13 Enabling access to local services from the Internet Go to Configuration Traffic Policy to add rules for services that will be available from the Internet Rules for service mapping should be always at the top of the traffic rules table e Mapping of local FTP server unsecured access only is supposed which makes it possible to filter traffic and scan it for viruses Name Source Destination Service Action Translation Access to FTP server Any Firewall FTP Allow Mapping 192 168 1 2 Table 2 2 Making the local FTP servers available from the Internet e Access to other mail server services save SMTP allowed only from certain IP ad dresses in the Working hours time range Name Source Destination
14. net which has been selected for VPN is now specified automatically in the VPN network and Mask entries There is no reason to change the network Use the Edit SSL certificate button to create an SSL certificate with the name of the corre sponding server e g server officebrazil company com This certificate is used for identification of the VPN server The fingerprint of the created SSL certificate will be re quired for definition of the VPN tunnel on the headquarters server see chapter 4 1 Select it copy it to the clipboard and paste it to an email message text file etc Note It is recommended to later replace this generated certificate with a certificate autho rized by a reliable public certification authority Create an active endpoint of the VPN tunnel which connects to the company s headquar ters server kwf company com The fingerprint of the VPN server certificate can be set simply by clicking on Detect remote certificate Complete the Local Traffic rule created by the Network Rules Wizard see chapter 2 4 with the VPN tunnel Name Source Destination Service Action Translation Local Traffic Firewall Firewall Any Allow Tunnel to office Tunnel to office Trusted local Trusted local Table 4 3 Office Filial the Local Traffic rule In the configuration of the DNS Forwarder refer to chapter 2 6 enable the Use cus tom forwarding Define rules for the company com domain Set
15. nistration username and password Under usual circumstances a reboot of the computer is not required after the installation is completed a restart may be required if the installation program rewrites shared files which are currently in use This will install the WinRoute low level driver into the system kernel WinRoute Firewall Engine and the WinRoute Engine Monitor will be automatically launched when the installation is complete 2 4 Basic Traffic Policy Configuration Run the Kerio Administration Console and connect to the localhost the local computer with the user name and password defined during installation The Network Rules Wizard will be started automatically after the first login Chapter 2 Headquarters configuration Set the following parameters using the Wizard e Internet connection types page 2 select persistent connection with a single Internet line e Internet interface page 3 select an interface connected to the Internet e Rules used for outgoing traffic page 4 these rules enable access to Internet ser vices e Rules for VPN page 5 leave both options enabled Create rules for Kerio VPN this creates key traffic rules for interconnection of headquarters and filial networks and for connection of remote clients see chapter 4 and Create rules for Kerio Clientless SSL VPN remote access to shared folders and files in the network via browser Note It is meaningless to create rules for K
16. o the Configuration DHCP server section to create an IP scope for hosts to which ad dresses will be assigned dynamically the Add Scope option The following parameters must be specified to define address scopes e Address range select 10 1 1 10 10 1 1 254 addresses from 10 1 1 1 to 10 1 1 9 will be reserved for servers and printing machines e Network mask 255 255 255 0 e Default gateway IP address of the firewall interface that is connected to the local network 10 1 1 1 e DNS server IP address of the firewall interface that is connected to the local network 10 1 1 1 the same as the default gateway The WinRoute s DNS forwarder will be 17 Chapter 3 Configuration of the LAN in a filial office used as the primary DNS server The forwarder will procure correct forwarding of requests between the company s offices and to the Internet 18 Chapter 4 Interconnection of the headquarters and branch of fices This chapter provides information on interconnection of headquarters and branch office servers by an encrypted channel VPN tunnel The following example describes only the ba sic configuration of a VPN tunnel between two networks No tips related to access restrictions or other specific settings are included here For example of a more complex VPN configuration refer to the Kerio WinRoute Firewall User Guide document The configuration consists of two parts settings in the headq
17. oup Likely go to Configuration Definition Time Ranges to create a time interval that will be limited to accessing Internet services during the labor hours from Monday to Friday from 8 A M to 4 30 P M Saturdays and Sundays from 8 A M to 12 A M Note You can use predefined day groups Weekday or Weekend to define the Valid on entry it is not necessary to tick each day individually 2 10 Web Rules Definition Reguirements Access to Web pages will be limited by the following restrictions e filtering of advertisements included in web pages e access to pages with erotic sexual content is denied e access to Web pages that offer jobs is denied only users working in Personal Depart ments are allowed to access these pages e user authentication will be required before access to the Internet is allowed this way you can monitor which pages are opened by each user Ads filtering and blocking access to specific website categories The following basic HTTP rules are already predefined and available in the URL Rules tab in Configuration Content Filtering HTTP Policy e It is recommended to keep rules Allow automatic updates for Kerio software and Allow automatic updates and MS Windows activation enabled so that WinRoute automatic updates and the server s operating system activations work correctly 11 Chapter 2 Headquarters configuration e Rules Allow popular search engines and Remove advertisement and banner
18. ppendix A Legal Notices Microsoft Windows Windows NT and Active Directory are registered trademarks or trademarks of Microsoft Corporation Other names of real companies and products mentioned in this document may be registered trademarks or trademarks of their owners 23 24
19. rio com firewal 1 download Clients will connect to the server at the headquarters i e to 63 55 21 12 and they will be authenticated through their domain usernames and passwords see chapter 2 8 For help details see Kerio VPN Client User s Guide http www kerio com firewall manual 2 15 LAN Hosts Configuration TCP IP parameters for the hosts that are used as the domain server and as the FTP server must be configured manually its IP address must not be changed e IP address we will use the 192 168 1 2 address refer to chapter 2 5 e Default gateway use IP address of the appropriate firewall interface 192 168 1 1 e DNS server since Microsoft DNS is running on the host the system sets the local loopback address loopback 127 0 0 1 as the primary DNS server Set automatic configuration of both IP address and DNS server using DHCP at all workstations it is set by default under most operating systems 2 16 Viewing statistics of Internet usage and user browsing behavior WinRoute also includes a web interface called Kerio StaR statistics and reporting which allows to view user browsing behavior as well as statistics in tables and charts The monitored activity items include e visited websites e email messages and instant messaging e large file transfers e multimedia online audio and video streaming e remote access terminal access and VPN connection Tables and charts are a
20. s use reserved special ranges of IP addresses These addresses must not exist in the Internet Internet routers are usually set in order to drop all packets that include these addresses The following IP ranges are reserved for private networks 1 10 x x x network mask 255 0 0 0 2 172 16 x x network mask 255 240 0 0 3 192 168 x x network mask 255 255 0 0 Warning Do not use other IP addresses in private networks otherwise some web pages those networks that have the same IP addresses might be unavailable For the headquarters LAN the private addresses 192 168 1 x with subnet mask 255 255 255 0 IP subnet 192 168 1 0 will be used whereas IP addresses10 1 1 x with subnet mask 255 255 255 0 IP subnet 10 1 1 0 will be used for the filial s LAN Setting IP addresses in an example network The following methods can be used to assign IP addresses to local hosts e The 192 168 1 2 static IP address will be assigned to the domain server FTP server its IP address must not be changed otherwise mapping from the Internet will not work e A Static IP address will be assigned to the network printer by the DHCP server DHCP lease Printing machines cannot have dynamic IP addresses otherwise they would be unavailable from clients if the IP changes Chapter 2 Headquarters configuration Note IP addresses can be assigned to printing machines either manually or by a DHCP server If a DHCP server is used the printing
21. s can be used according to your needs e Rule Deny sites rated in Kerio Web Filter categoriescan be used to block all users access to pages with erotic contents Use the Select Rating button to select Kerio Web Filter categories that will be blocked Then select appropriate categories in the Pornography Nudity section to deny access to pages with erotic sexual content On the Advanced tab enter the text which will be displayed if a user to access a page with forbidden content or set redirection to another webpage Restrictions of web pages with job offers To restrict access to websites with job offers use the following rules 1 Add a rule allowing users from the Human Resources Department group to access pages categorized by Kerio Web Filter as Job Offers 2 Behind this rule add a rule blocking access to the same category for any other users It is recommended not to require user authentication in this rule This prevents from redirecting unauthenticated users browser to the authentication page before showing the information that the page is blocked User authentication for accessing Websites The last optional restriction is user authentication while accessing Web pages To enable this feature use the corresponding option under Users and Groups Users the Authentication Options tab User authentication is performed within redirection to the WinRoute web interface s authen tication page It is necessary that the web in
22. terface is enabled and all its parameters set correctly refer to chapter 2 7 Upon entering a valid username and password the browser will be redirected to the solicited page HTTP Cache Configuration Cache accelerates access to repeatedly opened Web pages thus reducing Internet traffic Cache can be enabled from the Enable cache on transparent proxy and the Enable cache on proxy server options in Configuration Content Filtering HTTP Policy With respect to free disk space modify the cache size The 1 GB 1024 MB value is set by the default the maximum value is almost 2 GB 2047 MB 12 2 11 FTP Policy Configuration 2 11 FTP Policy Configuration Requirements FTP usage will be limited by the following restrictions transmission of music files in the MP3 format will be denied transmission of video files AVI will be denied within working hours uploads storing files at FTP servers will be denied protection of important com pany information FTP restrictions specified by predefined rules Go to Configuration Content Filtering FTP Policy to set FTP limitations The following rules are predefined rules and can be used for all intended restrictions Rules Forbid mpg mp3 and mpeg files and Forbid upload are ready to use Modify the Forbid avi files rule by going to the Advanced tab and setting the time when the rule is valid in the Working hours range see chapter 2 9 To make it possi
23. the headquarters and a branch office by a secure encrypted channel so called VPN tunnel and secure access of clients to the local network via the Internet using WinRoute This manual provides guidelines for quick setup Detailed information addressing individual WinRoute features and configuration instructions are provided in the Kerio WinRoute Firewall Administrator s Guide available at http www kerio com firewall manual Network configuration example WinRoute configuration will be better understood through an example of a model network shown at figure 1 1 Internet LAN Figure 1 1 Network configuration example Chapter 2 Headg uarters configuration This chapter provides detailed description on configuration of the local network and setup of WinRoute in company headguarters The same guidance can also be followed for configuration of the network in branch offices only the IP subnet must be different For purposes of this example it is supposed that an Active Directory domain company com is created in the headguarters LAN and all hosts in the network are included in this domain 2 1 Selection of IP addresses for LAN In our example we will focus on private networks connected to the Internet through a single public IP address Under such circumstances the local network will be hidden behind this IP address entirely Local networks which do not belong to the Internet so called private network
24. uarters and settings of the filial It is supposed that both networks have been already configured as described in chapter 2 and that connection to the Internet is available Information related to the example For better reference review the figure providing a graphical description of interconnected networks including their IP addresses Company Headquarters NEU Workstation Network d Printer ri a Ps VPN dient a B y rr i Um Internet Figure 4 1 Example of configuration of a network with assigned IP addresses 19 Chapter 4 Interconnection of the headquarters and branch offices The headquarters uses IP addresses 192 168 1 x with the network mask 255 255 255 0 and with DNS domain company com The branch office uses IP addresses 10 1 1 x with network mask 255 255 255 0 and with the subdomain filial company com 4 1 1 Headquarters configuration In WinRoute under Configuration Interfaces select a VPN server open its settings dialog and enable it Note A free subnet which has been selected for VPN is now specified automatically in the VPN network and Mask entries There is no reason to change the network Use the Edit SSL certificate button to create an SSL certificate with the name of the corre sponding server e g kwf company com This certificate is used for identification of the VPN server Note It is recommended to later replace this generated certificate with a certificate autho ri
25. vailable for the following statistical issues 15 Chapter 2 Headquarters configuration e volume of transferred data e used protocols services e top visited web domains e top requested web categories Statistics can be either showed for the overall traffic or for individual users Access and authentication to the statistics Internet usage statistics may include fragile information For this reason a special right is used for access to this information assigned only to the Admin by default Therefore it is first necessary to grant rights for statistics viewing to specific users and or groups under Users and Groups Statistics are available via the WinRoute web interface You can enter the web interface at the URL following this pattern https lt firewall gt 4081 which is in our example https kwf company com 4081 Users with rights to view statistics see the Kerio StaR page with overall statistics upon their logon to the web interface Kerio StaR Other users see the web interface welcome page first By default the web interface is available from the LAN To make it available from the Internet it is necessary to define a corresponding traffic rule see chapter 2 13 Detailed information addressing the WinRoute web interface and Kerio StaR is provided in the Kerio WinRoute Firewall Users Guide available at http www kerio com firewal1 manual 16 Chapter 3 Configuration of the LAN in a filial o
26. ver s identity To create certificates for web interfaces go to Configuration Advanced Options to the Web Interface SSL VPN tab In advanced settings of individual interfaces select Change SSL certificate and Create certificate Name of the server for which the certificate is issued should match the name of the server including domain detected from the operating system see the Name of the WinRoute host section in the kwf kerio cz example For access to WinRoute interfaces from the Internet a record for this name must exist also in public DNS Hint It is recommended to replace the created SSL certificates by full SSL certificate issued by a public certification authority one certificate can be used both for the web interface and the Clientless SSL VPN interface there is no need to pay for two certificates 2 8 Mapping of user accounts and groups from the Active Directory To enable disposal of Active Directory user accounts set mapping of a corresponding domain and define a template that will apply specific WinRoute parameters user rights data transfer guotas etc to all users Domain mapping Therefore it is not necessary to define local user accounts in WinRoute Simply map a cor responding domain To set Active Directory domain mapping go to the Active Directory tab under User and Groups Users To set mapping DNS name of the domain is reguired company com in our example along with login dat
27. zed by a reliable public certification authority Create a passive endpoint of the VPN tunnel the office s server uses a dynamic IP address therefore there must be the active endpoint of the tunnel at the office Specify the remote endpoint SSL certificate s fingerprint by the fingerprint of the certificate of the branch office VPN server Complete the Local Traffic rule created by the Network Rules Wizard see chapter 2 4 with the VPN tunnel Name Source Destination Service Action Translation Local Traffic Firewall Firewall Any Allow All VPN clients All VPN clients Tunnel to the office Tunnel to the office Trusted local Trusted local Table 4 1 Headquarters the Local Traffic rule In the configuration of the DNS Forwarder refer to chapter 2 6 enable the Use custom forwarding Define rules for the filial company com domain Specify the server for DNS forwarding by the IP address of the remote firewall host s interface i e interface connected to the local network at the other end of the tunnel Domain Network DNS server s 10 1 1 0 255 255 255 010 1 1 1 filial company com 10 1 1 1 Table 4 2 Headquarters DNS forwarding configuration 20 4 2 Configuration of a filial office 4 2 Configuration of a filial office 1 In WinRoute under Configuration Interfaces select a VPN server open its settings dialog and enable it Note A free sub
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