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Kerio Tech Firewall6 manual 323, Filial oﬃce default traﬃc rules for Kerio VPN

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21.5 Example of Kerio VPN conﬁguration: company with a ﬁlial oﬃce

Figure 21.22 Filial — no restrictions are applied to accessing the Internet from the LAN

Figure 21.23 A ﬁlial — it is not necessary to create rules for the Kerio VPN server

Figure 21.24 Filial oﬃce — default traﬃc rules for Kerio VPN

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Page 323

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Kerio Tech Firewall6 manual 323, Filial oﬃce default traﬃc rules for Kerio VPN

Contents

Kerio Technologies Administrator’s GuidePage Contents 113 Remote Administration and Update Checks 209 Kerio Clientless SSL-VPN 355 393 Quick Checklist Page Kerio WinRoute Firewall Basic FeaturesIntroduction Kerio WinRoute Firewall Additional FeaturesUser quotas Antivirus controlTransparent support for Active Directory Email alertsPort collision Conﬂicting softwareClientless SSL-VPN Collision of low-level driversAntivirus applications System requirements InstallationInstallation Steps to be taken before the installationInstallation and Basic Conﬁguration Guide Custom installation selecting optional components Protection of the installed product Conﬂicting Applications and System Services WinRoute Engine Monitor WinRoute ComponentsWinRoute Firewall Engine WinRoute Engine Monitor Kerio Administration ConsoleWinRoute Engine Monitor Upgrade and Uninstallation Typically the path C\Program Files\Kerio\WinRoute Firewall Upgrade and UninstallationUninstallation Conﬁguration Wizard Upgrade from WinRoute ProUpdate Checker Setting of administration username and passwordRemote IP address Remote AccessEnable remote access Initial conﬁguration Allowing remote administration Administration Window WinRoute AdministrationHelp menu WinRoute AdministrationAdministration Window Main menu FileDetection of WinRoute Firewall Engine connection drop-out Administration WindowStatus bar Column customization in Interfaces View SettingsView Settings License types optional components Product Registration and LicensingLicense types and number of users Deciding on a number of users licenses License types and number of usersHomepage License informationProduct CopyrightNumber of users License IDSubscription expiration date Product expiration dateRegistration of the trial version Registration of the product in the Administration ConsoleTrial version registration security code Registration of the product in the Administration ConsoleTrial version registration other information Trial version registration Trial ID Registration of the purchased productProduct Registration and Licensing Registration of the product in the Administration Console 10 Product registration user information 12 Product registration summary Update of registration informationProduct registration at the website Subscription / Update ExpirationBubble alerts Subscription / Update Expiration15 The notice that the subscription has already expired User counterLicense counter User counterStart WinRoute License release IP Address and Mask Settings for Interfaces and Network ServicesNetwork interfaces InterfaceModify Dial or Hang Up /Enebale, DisableAdapter info AddVPN server RefreshSpecial interfaces Dial-InInterface type selection Bind this interfaceRAS Entry Use login data from the RAS entryUse the following login data Interface nameDial-up demand dial ConnectionAdvanced Hangup if idleEdit Interface parameters Connection FailoverCurrent connection Connection Failover SetupEnable automatic connection failover Connection FailoverConﬁguration of primary and secondary Internet connection Dial-up Use Primary connectionSecondary connection DNS Forwarder conﬁguration DNS ForwarderDNS forwarding Enable DNS forwardingDNS Forwarder Use custom forwarding Enable cache for faster response of repeated queriesEnable DNS forwarding Clear cache10 Speciﬁc settings of DNS forwarding 11 DNS forwarding a new rule Simple DNS resolutionCombine the name ... with DNS domain Before forwarding a queryDhcp server Deﬁnition of Scopes and Reservations Dhcp serverDhcp Server Conﬁguration Domain Lease timeDNS server Wins server15 Dhcp server IP scopes deﬁnition DescriptionExclusions First address, Last addressSubnet mask Parameters 00bca5f21e50 Lease ReservationsLeases Bc-a5-f2-1e-5020 Dhcp server list of leased and reserved IP addresses Windows RAS Dhcp server advanced optionsDeclined options Proxy serverProxy Server Conﬁguration Enable non-transparent proxy serverProxy server 22 Http proxy server settings Enable connection to any TCP portHttp//192.168.1.13128/pac/proxy.pac Forward to parent proxy serverHttp protocol TTL Enable cache on transparent proxyEnable cache on proxy server Http cacheCache size Http cacheCache Options Memory cache sizeMax Http object size URL URL Speciﬁc SettingsTTL Cache status and administration26 Http cache administration dialog Network Rules Wizard Traﬃc PolicySelection of Internet connection type Network Rules WizardInformation Network Policy Wizard selection of a connected adapter Network adapter or dial-up selectionAllow access to all services Internet access limitationsEnabling Kerio VPN traﬃc Allow access to the following services onlyService Service is running onGenerating the rules NATIcmp traﬃc Rules Created by the WizardLocal Traﬃc Firewall Traﬃc Name How traﬃc rules workDeﬁnition of Custom Traﬃc Rules 12 Traﬃc rule name, color and rule description Source, DestinationIP range e.g Deﬁnition of Custom Traﬃc Rules 100 Service101 Action102 Log103 Translation20 Traﬃc rule destination address translation 104105 Valid onProtocol inspector Destination Basic Traﬃc Rule TypesIP Translation NAT Source107 TranslationPlacing the rule Port mapping108 109 Limiting Internet AccessMultihoming 110 111 Exclusions112 Speed limits for users with their quota exceeded How the bandwidth limiter works and how to use itSpeed limits for big data volumes transmissions Bandwidth Limiter114 Setting limit valuesBandwidth Limiter conﬁguration Bandwidth Limiter115 ServicesAdvanced Options 116 IP Addresses and Time Interval117 Bandwidth Limiter selection of network services118 Detection of connections with large data volume transferred119 Detection of connections with large data volume transferredExamples 120 121 User AuthenticationFirewall User Authentication 122 User AuthenticationUser authentication advanced options Automatic authentication Ntlm Firewall User AuthenticationRedirection to the authentication Enable non-transparent proxy server authentication124 Automatically logout users when they are inactiveWeb Interface Parameters Conﬁguration Enable Kerio SSL-VPN serverEnable Web Interface Http Web InterfaceWinRoute server name Enable secured Web Interface HttpsAllow access only from these IP addresses Web Interface127 Conﬁguration of ports of the Web Interface128 SSL Certiﬁcate for the Web InterfaceGenerate or Import Certiﬁcate SSL certiﬁcate of WinRoute’s Web interface 129130 Login/logoutWeb Interface Language Preferences Users logged131 Login/logoutDrdolittle@usoffice.company.com 132 User password authenticationLog out 133 Status information and user statisticsStatus information and user statistics 134 User preferences135 Save settingsUser preferences 136 10 Editing user password137 Http protocolFTP protocol 138 Conditions for Http and FTP ﬁlteringURL Rules 139 URL Rules140 URL Rules Deﬁnition141 If user accessing the URL isURL matches criteria 142 Allow access to the Web siteDenial options Valid at time intervalValid for IP address group Valid if Mime type is144 WWW content scanning optionsScan content for viruses according to scanning rules Deny Web pages containing145 Http Inspection Advanced Options146 Global rules for Web elementsAllow Html ActiveX objects Allow Script Html tagsAllow cross-domain referrer Content Rating System ISS OrangeWeb FilterAllow Html JavaScript pop-up windows Allow applet Html tags148 ISS OrangeWeb Filter conﬁgurationISS OrangeWeb Filter Deployment Enable ISS OrangeWeb FilterCategorize each page regardless of Http rules ServerISS OrangeWeb Filter rule 150151 Web content ﬁltering by word occurrence152 Deﬁnition of rules ﬁltering by word occurrence153 Word groups154 Deﬁnition of forbidden wordsKeyword WeightFTP Policy Group156 If user accessing the FTP server isFTP Rules Deﬁnition FTP server is15 FTP Rule basic parameters 158 Content159 160 Antivirus controlConditions and limitations of antivirus scan 161 Conditions and limitations of antivirus scan162 How to choose and setup antivirusesAntivirus control Integrated McAfeeCurrent virus database is Check for update every ... hoursLast update check performed ... ago Update now164 Antivirus settingsExternal antivirus An example of a traﬃc rule for outgoing Smtp traﬃc check 165Http and FTP scanning 167 Http and FTP scanning168 Http and FTP scanning rulesCondition 169 Mime type170 Email scanning171 Email scanning172 173 IP Address GroupsCreating and Editing IP Address Groups Type Time IntervalsDeﬁnitions NameDaily Time range typesAbsolute Weekly176 Time Interval TypeFrom, To Valid at days177 ServicesServices 178 ProtocolProtocol inspector 179 Source Port and Destination PortProtocol Inspectors 180 URL Groups181 URL Groups182 Deﬁnitions Group183 User Accounts and GroupsInternal user database Import of user accounts from Active Directory184 Viewing and deﬁnitions of user accountsUser Accounts and Groups Local user accounts 186 Local user accountsAccounts mapped from the Active Directory domain Edit UserFull Name Local user accountsCreating a local user account Basic informationDomain template AuthenticationAccount is disabled Email Address189 NT domain / KerberosGroups 190 Access rightsUser can override WWW content rules No access to administrationRead only access to administration Full access to administration192 Data transmission quotaTransfer quota 193 Content rulesQuota exceed action 194 User’s IP addresses195 Editing User Account196 Active DirectoryNT domain 197 Automatic import of user accounts from Active Directory198 Manual import of user accounts199 Active Directory domains mappingActive Directory domains mapping Domain mapping requirements200 Domain AccessSingle domain mapping Active Directory mapping13 Active Directory domain mapping 201202 NT authentication supportMultiple domains mapping 16 Conversion of user accounts 203204 User groupsUser groups Deﬁnitions 205 User groupsCreating a new local user group Name and description of the group206 Group access rightsRead only access Group members207 Users can override WWW content rulesUsers can connect using VPN 208 Users are allowed to use P2P networksUsers are allowed to view statistics 209 Remote Administration and Update ChecksSetting Remote Administration How to allow remote administration from the Internet210 Update CheckingRemote Administration and Update Checks Check now Update CheckingCheck for new versions Check also for beta versions212 213 Advanced security features15.1 P2P Eliminator P2P Eliminator Conﬁguration214 Advanced security features215 15.1 P2P EliminatorParameters for detection of P2P networks 216 Special Security Settings217 Special Security SettingsAnti-Spooﬁng Connections Count LimitIPSec preferences VPN using IPSec ProtocolEnable Enable pass-through only for hosts219 VPN using IPSec ProtocolWinRoute’s IPSec conﬁguration IPSec client in local networkTraﬃc rule for one IPSec client in the local network 220221 IPSec server in local networkRouting table Other settings223 Routing tableRoute Types Static routesMetric Deﬁnitions of Dynamic and Static RulesNetwork, Network Mask GatewayHow demand dial works Demand DialDemand Dial Removing routes from the Routing Table226 227 Technical Peculiarities and Limitations228 Setting Rules for Demand Dial229 Dial of local DNS namesConﬁguration of the UPnP support Enable UPnPPort mapping timeout Universal Plug-and-Play UPnPLog connections Relay Smtp serverRelay Smtp server Log packets232 Smtp requires authenticationSpecify sender email address in From header Test233 234 Status InformationActive hosts and connected users User Login timeLogin duration HostnameActive Hosts dialog options Detailed information on a selected host and user 238 Traﬃc information239 Activity DescriptionConnections 240 Source, Destination241 Histogram242 Show connections related to the selected process243 Show connections related to the selected process244 Options of the Connections DialogKill connection 245 Color SettingsFont Color Background Color246 Alerts SettingsAlerts 247 AlertsAlert 248 Alert Templates249 \Program Files\Kerio\WinRoute Firewall\templates by defaultAlerts overview in Administration Console 13 Details of a selected event 250251 Basic statisticsInterface statistics 252 Reset interface statisticsBasic statistics Interface Statistics menu253 Interface statisticsRemove interface statistics Graphical view of interface load254 User Statistics data volumes and quotas255 User Statistics data volumes and quotasUser Statistics dialog options 256 Reset user statisticsRemove user statistics View host257 Kerio StaR statistics and reportingMonitoring and storage of statistic data 258 Settings for statistics and quotaKerio StaR statistics and reporting Requirements of the statistics259 Settings for statistics and quotaEnable/disable gathering of statistic data Advanced settings for statistics260 Statistics and quota restrictionsStatistics and quota accounting periods Accessing the statistics from the WinRoute hostRemote access to the statistics Connection to StaR and viewing statistics262 StaR page in the web interface263 Accounting periodCustom accounting period 264265 Overall ViewOverall View 266 Top Requested Web CategoriesTop 5 users 267 Used Protocol268 269 User statisticsUser statistics 13 The Users by Traﬃc table Users by TraﬃcTop Visited Websites Top Visited Websites272 Top Requested Web Categories16 Top visited websites sorted by categories 273274 275 Log settingsLogs Filename.log276 File Logging277 Log settingsSyslog Logging Logs Context Menu Select font Logs Context MenuFind HighlightingLog highlighting Logs EncodingLog debug Clear logLog highlighting settings 282 Debug log advanced settingsAlert Log Alert Log284 20.4 Conﬁg LogLogs 285 Connection LogConnection Log 286 Debug LogDial Log Page 288 15/Mar/2004 155912 Line Connection disconnected289 Error LogError Log 290 ’McAfee update’ rule nameFilter Log 291 Http logHttp log 292 1058444114.733 0 192.168.64.64 TCPMISS/304293 Security LogSecurity Log 294 Authentication service Client IP address reason17/Dec/2004 122243 Engine Shutdown Sslvpn LogSslvpn Log 17/Dec/2004 121133 Engine Startup24/Apr/2003 102951 192.168.44.128 james Web LogWeb Log 297 298 Kerio VPN299 VPN Server ConﬁgurationIP address assignment Enable VPN serverKerio VPN General301 SSL certiﬁcate302 AdvancedListen on port 303 Custom Routes304 21.2 Conﬁguration of VPN clientsBasic conﬁguration of traﬃc rules for VPN clients 305 Setting up VPN serversDeﬁnition of a tunnel to a remote server Name of the tunnel306 Conﬁguration307 Conﬁguration of a remote end of the tunnel308 DNS SettingsRouting settings 309 Connection establishment310 Traﬃc Policy Settings for VPN311 Exchange of routing informationExchange of routing information Routing conﬁguration options312 Update of routing tablesRoutes provided automatically 313 Example of Kerio VPN conﬁguration company with a ﬁlial oﬃceSpeciﬁcation 314 Common method315 316 Headquarters conﬁguration317 14 Headquarter creating default traﬃc rules for Kerio VPN16 Headquarter DNS forwarder conﬁguration 318319 19 Headquarters VPN server conﬁguration 320321 LAN322 Conﬁguration of a ﬁlial oﬃce323 24 Filial oﬃce default traﬃc rules for Kerio VPN25 Filial oﬃce DNS forwarder conﬁguration 324325 28 Filial oﬃce VPN server conﬁguration 32629 Filial oﬃce deﬁnition of VPN tunnel for the headquarters 327328 Example of a more complex Kerio VPN conﬁgurationVPN test 329 Common method330 331 332 33 Headquarter creating default traﬃc rules for Kerio VPN35 Headquarter DNS forwarder conﬁguration 333Kerio VPN 38 Headquarters VPN server conﬁguration 33539 Headquarter deﬁnition of VPN tunnel for the London ﬁlial 336337 338 43 Headquarter ﬁnal traﬃc rules 339340 Conﬁguration of the London ﬁlial341 46 The London ﬁlial oﬃce default traﬃc rules for Kerio VPN342 48 The London ﬁlial oﬃce DNS forwarding settings343 344 345 54 The London ﬁlial oﬃce ﬁnal traﬃc rules 346347 Conﬁguration of the Paris ﬁlial57 The Paris ﬁlial oﬃce DNS forwarder conﬁguration 34859 The Paris ﬁlial oﬃce VPN server conﬁguration 349350 351 352 64 The Paris ﬁlial oﬃce ﬁnal traﬃc rules 353354 355 Kerio Clientless SSL-VPN22.1 Conﬁguration of WinRoute’s SSL-VPN SSL-VPN conﬁguration356 Allowing access from the InternetKerio Clientless SSL-VPN Https//server12345 Usage of the SSL-VPN interfaceUsage of the SSL-VPN interface Https//server358 Sidneywashington@usoffice.company.comHandling ﬁles and folders 359 \\server\folder\subfolderAntivirus control Bookmarks360 TroubleshootingDetection of incorrect conﬁguration of the default gateway 23.2 Conﬁguration Backup and Transfer Dnscache.cfg SslcertLicense Cache.CFS363 Handling conﬁguration ﬁles Conﬁguration backup recoveryStar List name=Interfaces 365 Automatic user authentication using NtlmGeneral conditions 366 WinRoute ConﬁgurationMicrosoft Internet Explorer Automatic user authentication using NtlmNtlm authentication process Web browsers368 Firefox/Netscape/Mozilla/SeaMonkeyFirefox/Netscape/Mozilla/SeaMonkey conﬁguration 369 Partial Retirement of Protocol InspectorPartial Retirement of Protocol Inspector 370 How to enable certain users to access the InternetUser accounts and groups in traﬃc rules 371 Enabling automatic authentication372 FTP on WinRoute’s proxy serverExample of a client conﬁguration web browser 373 Example of a client conﬁguration Total CommanderFTP on WinRoute’s proxy server 374 12 Setting proxy server for FTP in Total Commander375 Network Load BalancingBasic Information and System Requirements Network Conﬁguration376 Network Load Balancing377 24.3 Conﬁguration of the servers in the clusterNLB conﬁguration for Server1 Server 1 cluster parameters 378379 NLB conﬁguration for Server2380 Technical supportEssential Information DescriptionLicense type and license number Error Log FilesTested in Beta version Informational FileCzech Republic ContactsUnited Kingdom Legal Presumption 384 Used open-source librariesLibiconv OpenSSL385 PrototypeCopyright 2005 Sam Stephenson ZlibCluster Default gatewayGlossary of terms ActiveX387 FirewallGreylisting 388 Glossary of terms IP addressIPSec KerberosPort Network adapterP2P network PacketScript Glossary of termsProxy server Routing table391 Spooﬁng392 TCP/IP393 Index394 Index395 Ntlm396 VPN397 133