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Kerio Tech Firewall6 manual 342, The London ﬁlial oﬃce DNS forwarding settings

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Chapter 21 Kerio VPN

Figure 21.48 The London ﬁlial oﬃce — DNS forwarding settings

4.Enable the VPN server and conﬁgure its SSL certiﬁcate (create a self-signed certiﬁcate if no certiﬁcate provided by a certiﬁcation authority is available).

Note: A free subnet which has been selected is now speciﬁed automatically in the VPN network and Mask entries. Check whether this subnet does not collide with any other subnet in the headquarters or in the ﬁlials. If it does, specify a free subnet.

Figure 21.49 The London ﬁlial oﬃce — VPN server conﬁguration

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Kerio Tech Firewall6 manual 342, The London ﬁlial oﬃce DNS forwarding settings

Contents

Administrator’s Guide Kerio TechnologiesPage Contents 113 Remote Administration and Update Checks 209 Kerio Clientless SSL-VPN 355 393 Quick Checklist Page Basic Features IntroductionKerio WinRoute Firewall Additional Features Kerio WinRoute FirewallEmail alerts Antivirus controlTransparent support for Active Directory User quotasCollision of low-level drivers Conﬂicting softwareClientless SSL-VPN Port collisionAntivirus applications Steps to be taken before the installation InstallationInstallation System requirementsInstallation and Basic Conﬁguration Guide Custom installation selecting optional components Protection of the installed product Conﬂicting Applications and System Services WinRoute Components WinRoute Firewall EngineWinRoute Engine Monitor Kerio Administration Console WinRoute Engine MonitorWinRoute Engine Monitor Upgrade and Uninstallation Upgrade and Uninstallation UninstallationTypically the path C\Program Files\Kerio\WinRoute Firewall Setting of administration username and password Upgrade from WinRoute ProUpdate Checker Conﬁguration WizardRemote Access Enable remote accessRemote IP address Initial conﬁguration Allowing remote administration WinRoute Administration Administration WindowFile WinRoute AdministrationAdministration Window Main menu Help menuAdministration Window Status barDetection of WinRoute Firewall Engine connection drop-out View Settings Column customization in InterfacesView Settings Product Registration and Licensing License types and number of usersLicense types optional components License types and number of users Deciding on a number of users licensesCopyright License informationProduct HomepageProduct expiration date License IDSubscription expiration date Number of usersRegistration of the product in the Administration Console Registration of the trial versionRegistration of the product in the Administration Console Trial version registration security codeTrial version registration other information Registration of the purchased product Trial version registration Trial IDProduct Registration and Licensing Registration of the product in the Administration Console 10 Product registration user information Update of registration information 12 Product registration summarySubscription / Update Expiration Product registration at the websiteSubscription / Update Expiration Bubble alertsUser counter 15 The notice that the subscription has already expiredUser counter Start WinRouteLicense counter License release Interface Settings for Interfaces and Network ServicesNetwork interfaces IP Address and MaskAdd Dial or Hang Up /Enebale, DisableAdapter info ModifyDial-In RefreshSpecial interfaces VPN serverBind this interface Interface type selectionInterface name Use login data from the RAS entryUse the following login data RAS EntryConnection Dial-up demand dialHangup if idle AdvancedConnection Failover Edit Interface parametersConnection Failover Connection Failover SetupEnable automatic connection failover Current connectionConﬁguration of primary and secondary Internet connection Primary connection Secondary connectionDial-up Use DNS Forwarder DNS Forwarder conﬁgurationEnable DNS forwarding DNS ForwarderDNS forwarding Clear cache Enable cache for faster response of repeated queriesEnable DNS forwarding Use custom forwarding10 Speciﬁc settings of DNS forwarding Simple DNS resolution 11 DNS forwarding a new ruleBefore forwarding a query Combine the name ... with DNS domainDhcp server Dhcp server Dhcp Server ConﬁgurationDeﬁnition of Scopes and Reservations Wins server Lease timeDNS server DomainDescription 15 Dhcp server IP scopes deﬁnitionFirst address, Last address Subnet maskExclusions Parameters Lease Reservations 00bca5f21e50Bc-a5-f2-1e-50 Leases20 Dhcp server list of leased and reserved IP addresses Dhcp server advanced options Windows RASProxy server Declined optionsEnable non-transparent proxy server Proxy serverProxy Server Conﬁguration Enable connection to any TCP port 22 Http proxy server settingsForward to parent proxy server Http//192.168.1.13128/pac/proxy.pacHttp cache Enable cache on transparent proxyEnable cache on proxy server Http protocol TTLHttp cache Cache sizeMemory cache size Max Http object sizeCache Options URL Speciﬁc Settings URLCache status and administration TTL26 Http cache administration dialog Traﬃc Policy Network Rules WizardNetwork Rules Wizard InformationSelection of Internet connection type Network adapter or dial-up selection Network Policy Wizard selection of a connected adapterInternet access limitations Allow access to all servicesAllow access to the following services only Enabling Kerio VPN traﬃcService is running on ServiceNAT Generating the rulesRules Created by the Wizard Icmp traﬃcLocal Traﬃc Firewall Traﬃc How traﬃc rules work Deﬁnition of Custom Traﬃc RulesName Source, Destination 12 Traﬃc rule name, color and rule descriptionIP range e.g Deﬁnition of Custom Traﬃc Rules Service 100Action 101Log 102Translation 103104 20 Traﬃc rule destination address translationValid on Protocol inspector105 Source Basic Traﬃc Rule TypesIP Translation NAT DestinationPort mapping TranslationPlacing the rule 107108 Limiting Internet Access Multihoming109 110 Exclusions 111112 Bandwidth Limiter How the bandwidth limiter works and how to use itSpeed limits for big data volumes transmissions Speed limits for users with their quota exceededBandwidth Limiter Setting limit valuesBandwidth Limiter conﬁguration 114Services Advanced Options115 IP Addresses and Time Interval 116Bandwidth Limiter selection of network services 117Detection of connections with large data volume transferred 118Detection of connections with large data volume transferred Examples119 120 User Authentication Firewall User Authentication121 User Authentication User authentication advanced options122 Enable non-transparent proxy server authentication Firewall User AuthenticationRedirection to the authentication Automatic authentication NtlmAutomatically logout users when they are inactive 124Web Interface Enable Kerio SSL-VPN serverEnable Web Interface Http Web Interface Parameters ConﬁgurationWeb Interface Enable secured Web Interface HttpsAllow access only from these IP addresses WinRoute server nameConﬁguration of ports of the Web Interface 127SSL Certiﬁcate for the Web Interface Generate or Import Certiﬁcate128 129 SSL certiﬁcate of WinRoute’s Web interfaceUsers logged Login/logoutWeb Interface Language Preferences 130Login/logout Drdolittle@usoffice.company.com131 User password authentication Log out132 Status information and user statistics Status information and user statistics133 User preferences 134Save settings User preferences135 10 Editing user password 136Http protocol FTP protocol137 Conditions for Http and FTP ﬁltering URL Rules138 URL Rules 139URL Rules Deﬁnition 140If user accessing the URL is URL matches criteria141 Allow access to the Web site 142Valid if Mime type is Valid at time intervalValid for IP address group Denial optionsDeny Web pages containing WWW content scanning optionsScan content for viruses according to scanning rules 144Http Inspection Advanced Options 145Allow Script Html tags Global rules for Web elementsAllow Html ActiveX objects 146Allow applet Html tags Content Rating System ISS OrangeWeb FilterAllow Html JavaScript pop-up windows Allow cross-domain referrerISS OrangeWeb Filter conﬁguration 148Server Enable ISS OrangeWeb FilterCategorize each page regardless of Http rules ISS OrangeWeb Filter Deployment150 ISS OrangeWeb Filter ruleWeb content ﬁltering by word occurrence 151Deﬁnition of rules ﬁltering by word occurrence 152Word groups 153Deﬁnition of forbidden words 154Group WeightFTP Policy KeywordFTP server is If user accessing the FTP server isFTP Rules Deﬁnition 15615 FTP Rule basic parameters Content 158159 Antivirus control Conditions and limitations of antivirus scan160 Conditions and limitations of antivirus scan 161Integrated McAfee How to choose and setup antivirusesAntivirus control 162Update now Check for update every ... hoursLast update check performed ... ago Current virus database isAntivirus settings External antivirus164 165 An example of a traﬃc rule for outgoing Smtp traﬃc checkHttp and FTP scanning Http and FTP scanning 167Http and FTP scanning rules Condition168 Mime type 169Email scanning 170Email scanning 171172 IP Address Groups Creating and Editing IP Address Groups173 Name Time IntervalsDeﬁnitions TypeWeekly Time range typesAbsolute DailyValid at days Time Interval TypeFrom, To 176Services Services177 Protocol Protocol inspector178 Source Port and Destination Port Protocol Inspectors179 URL Groups 180URL Groups 181Deﬁnitions Group 182Import of user accounts from Active Directory User Accounts and GroupsInternal user database 183Viewing and deﬁnitions of user accounts User Accounts and Groups184 Local user accounts Edit User Local user accountsAccounts mapped from the Active Directory domain 186Basic information Local user accountsCreating a local user account Full NameEmail Address AuthenticationAccount is disabled Domain templateNT domain / Kerberos Groups189 Access rights 190Full access to administration No access to administrationRead only access to administration User can override WWW content rulesData transmission quota Transfer quota192 Content rules Quota exceed action193 User’s IP addresses 194Editing User Account 195Active Directory NT domain196 Automatic import of user accounts from Active Directory 197Manual import of user accounts 198Domain mapping requirements Active Directory domains mappingActive Directory domains mapping 199Active Directory mapping Domain AccessSingle domain mapping 200201 13 Active Directory domain mappingNT authentication support Multiple domains mapping202 203 16 Conversion of user accountsUser groups User groups Deﬁnitions204 Name and description of the group User groupsCreating a new local user group 205Group members Group access rightsRead only access 206Users can override WWW content rules Users can connect using VPN207 Users are allowed to use P2P networks Users are allowed to view statistics208 How to allow remote administration from the Internet Remote Administration and Update ChecksSetting Remote Administration 209Update Checking Remote Administration and Update Checks210 Check also for beta versions Update CheckingCheck for new versions Check now212 P2P Eliminator Conﬁguration Advanced security features15.1 P2P Eliminator 213Advanced security features 21415.1 P2P Eliminator Parameters for detection of P2P networks215 Special Security Settings 216Connections Count Limit Special Security SettingsAnti-Spooﬁng 217Enable pass-through only for hosts VPN using IPSec ProtocolEnable IPSec preferencesIPSec client in local network VPN using IPSec ProtocolWinRoute’s IPSec conﬁguration 219220 Traﬃc rule for one IPSec client in the local networkIPSec server in local network 221Other settings Routing tableStatic routes Routing tableRoute Types 223Gateway Deﬁnitions of Dynamic and Static RulesNetwork, Network Mask MetricRemoving routes from the Routing Table Demand DialDemand Dial How demand dial works226 Technical Peculiarities and Limitations 227Setting Rules for Demand Dial 228Dial of local DNS names 229Universal Plug-and-Play UPnP Enable UPnPPort mapping timeout Conﬁguration of the UPnP supportLog packets Relay Smtp serverRelay Smtp server Log connectionsTest Smtp requires authenticationSpecify sender email address in From header 232233 Status Information Active hosts and connected users234 Hostname Login timeLogin duration UserActive Hosts dialog options Detailed information on a selected host and user Traﬃc information 238Activity Description Connections239 Source, Destination 240Histogram 241Show connections related to the selected process 242Show connections related to the selected process 243Options of the Connections Dialog Kill connection244 Background Color Color SettingsFont Color 245Alerts Settings Alerts246 Alerts Alert247 Alert Templates 248\Program Files\Kerio\WinRoute Firewall\templates by default Alerts overview in Administration Console249 250 13 Details of a selected eventBasic statistics Interface statistics251 Interface Statistics menu Reset interface statisticsBasic statistics 252Graphical view of interface load Interface statisticsRemove interface statistics 253User Statistics data volumes and quotas 254User Statistics data volumes and quotas User Statistics dialog options255 View host Reset user statisticsRemove user statistics 256Kerio StaR statistics and reporting Monitoring and storage of statistic data257 Requirements of the statistics Settings for statistics and quotaKerio StaR statistics and reporting 258Advanced settings for statistics Settings for statistics and quotaEnable/disable gathering of statistic data 259Statistics and quota restrictions 260Connection to StaR and viewing statistics Accessing the statistics from the WinRoute hostRemote access to the statistics Statistics and quota accounting periodsStaR page in the web interface 262Accounting period 263264 Custom accounting periodOverall View Overall View265 Top Requested Web Categories Top 5 users266 Used Protocol 267268 User statistics User statistics269 Users by Traﬃc 13 The Users by Traﬃc tableTop Visited Websites Top Visited WebsitesTop Requested Web Categories 272273 16 Top visited websites sorted by categories274 Filename.log Log settingsLogs 275File Logging 276Log settings Syslog Logging277 Logs Context Menu Highlighting Logs Context MenuFind Select fontClear log Logs EncodingLog debug Log highlightingLog highlighting settings Debug log advanced settings 282Alert Log Alert Log20.4 Conﬁg Log Logs284 Connection Log Connection Log285 Debug Log Dial Log286 Page 15/Mar/2004 155912 Line Connection disconnected 288Error Log Error Log289 ’McAfee update’ rule name Filter Log290 Http log Http log291 1058444114.733 0 192.168.64.64 TCPMISS/304 292Security Log Security Log293 Authentication service Client IP address reason 29417/Dec/2004 121133 Engine Startup Sslvpn LogSslvpn Log 17/Dec/2004 122243 Engine ShutdownWeb Log 24/Apr/2003 102951 192.168.44.128 jamesWeb Log 297 Kerio VPN 298VPN Server Conﬁguration 299General Enable VPN serverKerio VPN IP address assignmentSSL certiﬁcate 301Advanced Listen on port302 Custom Routes 30321.2 Conﬁguration of VPN clients Basic conﬁguration of traﬃc rules for VPN clients304 Name of the tunnel Setting up VPN serversDeﬁnition of a tunnel to a remote server 305Conﬁguration 306Conﬁguration of a remote end of the tunnel 307DNS Settings Routing settings308 Connection establishment 309Traﬃc Policy Settings for VPN 310Routing conﬁguration options Exchange of routing informationExchange of routing information 311Update of routing tables Routes provided automatically312 Example of Kerio VPN conﬁguration company with a ﬁlial oﬃce Speciﬁcation313 Common method 314315 Headquarters conﬁguration 31614 Headquarter creating default traﬃc rules for Kerio VPN 317318 16 Headquarter DNS forwarder conﬁguration319 320 19 Headquarters VPN server conﬁgurationLAN 321Conﬁguration of a ﬁlial oﬃce 32224 Filial oﬃce default traﬃc rules for Kerio VPN 323324 25 Filial oﬃce DNS forwarder conﬁguration325 326 28 Filial oﬃce VPN server conﬁguration327 29 Filial oﬃce deﬁnition of VPN tunnel for the headquartersExample of a more complex Kerio VPN conﬁguration VPN test328 Common method 329330 331 33 Headquarter creating default traﬃc rules for Kerio VPN 332333 35 Headquarter DNS forwarder conﬁgurationKerio VPN 335 38 Headquarters VPN server conﬁguration336 39 Headquarter deﬁnition of VPN tunnel for the London ﬁlial337 338 339 43 Headquarter ﬁnal traﬃc rulesConﬁguration of the London ﬁlial 34046 The London ﬁlial oﬃce default traﬃc rules for Kerio VPN 34148 The London ﬁlial oﬃce DNS forwarding settings 342343 344 345 346 54 The London ﬁlial oﬃce ﬁnal traﬃc rulesConﬁguration of the Paris ﬁlial 347348 57 The Paris ﬁlial oﬃce DNS forwarder conﬁguration349 59 The Paris ﬁlial oﬃce VPN server conﬁguration350 351 352 353 64 The Paris ﬁlial oﬃce ﬁnal traﬃc rules354 SSL-VPN conﬁguration Kerio Clientless SSL-VPN22.1 Conﬁguration of WinRoute’s SSL-VPN 355Allowing access from the Internet Kerio Clientless SSL-VPN356 Https//server Usage of the SSL-VPN interfaceUsage of the SSL-VPN interface Https//server12345Sidneywashington@usoffice.company.com Handling ﬁles and folders358 Bookmarks \\server\folder\subfolderAntivirus control 359Troubleshooting Detection of incorrect conﬁguration of the default gateway360 23.2 Conﬁguration Backup and Transfer Cache.CFS SslcertLicense Dnscache.cfgHandling conﬁguration ﬁles Conﬁguration backup recovery Star363 List name=Interfaces Automatic user authentication using Ntlm General conditions365 WinRoute Conﬁguration 366Web browsers Automatic user authentication using NtlmNtlm authentication process Microsoft Internet ExplorerFirefox/Netscape/Mozilla/SeaMonkey Firefox/Netscape/Mozilla/SeaMonkey conﬁguration368 Partial Retirement of Protocol Inspector Partial Retirement of Protocol Inspector369 How to enable certain users to access the Internet User accounts and groups in traﬃc rules370 Enabling automatic authentication 371FTP on WinRoute’s proxy server Example of a client conﬁguration web browser372 Example of a client conﬁguration Total Commander FTP on WinRoute’s proxy server373 12 Setting proxy server for FTP in Total Commander 374Network Conﬁguration Network Load BalancingBasic Information and System Requirements 375Network Load Balancing 37624.3 Conﬁguration of the servers in the cluster NLB conﬁguration for Server1377 378 Server 1 cluster parametersNLB conﬁguration for Server2 379Description Technical supportEssential Information 380Informational File Error Log FilesTested in Beta version License type and license numberContacts United KingdomCzech Republic Legal Presumption OpenSSL Used open-source librariesLibiconv 384Zlib PrototypeCopyright 2005 Sam Stephenson 385ActiveX Default gatewayGlossary of terms ClusterFirewall Greylisting387 Kerberos Glossary of terms IP addressIPSec 388Packet Network adapterP2P network PortRouting table Glossary of termsProxy server ScriptSpooﬁng 391TCP/IP 392Index 393Index 394Ntlm 395VPN 396133 397