Symantecâ¢ Security Gateways Reference Guide - Sawmill

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Symantec Enterprise FirewallReference GuideTechnical supportThe software described in this book is furnished under a license agreement and may be used only inaccordance with the terms of the agreement.Documentation version 8.0Copyright noticeCopyright © 1998–2004 Symantec Corporation.All Rights Reserved.Any technical documentation that is made available by Symantec Corporation is the copyrighted workof Symantec Corporation and is owned by Symantec Corporation.NO WARRANTY. The technical documentation is being delivered to you AS-IS and SymantecCorporation makes no warranty as to its accuracy or use. Any use of the technical documentation orthe information contained therein is at the risk of the user. Documentation may include technical orother inaccuracies or typographical errors. Symantec reserves the right to make changes without priornotice.No part of this publication may be copied without the express written permission of SymantecCorporation, 20330 Stevens Creek Blvd., Cupertino, CA 95014.TrademarksSymantec, the Symantec logo, and Norton AntiVirus are U.S. registered trademarks of SymantecCorporation. LiveUpdate, LiveUpdate Administration Utility, Symantec AntiVirus, and SymantecSecurity Response are trademarks of Symantec Corporation.Other brands and product names mentioned in this manual may be trademarks or registeredtrademarks of their respective companies and are hereby acknowledged.Printed in the United States of America.10 9 8 7 6 5 4 3 2 1As part of Symantec Security Response, the Symantec global Technical Support group maintainssupport centers throughout the world. The Technical Support group’s primary role is to respond tospecific questions on product feature/function, installation, and configuration, as well as to authorcontent for our Web-accessible Knowledge Base. The Technical Support group works collaborativelywith the other functional areas within Symantec to answer your questions in a timely fashion. Forexample, the Technical Support group works with Product Engineering as well as Symantec SecurityResponse to provide Alerting Services and Virus Definition Updates for virus outbreaks and securityalerts.Symantec technical support offerings include:■■■■■A range of support options that give you the flexibility to select the right amount of service for anysize organizationTelephone and Web support components that provide rapid response and up-to-the-minuteinformationUpgrade insurance that delivers automatic software upgrade protectionContent Updates for virus definitions and security signatures that ensure the highest level ofprotectionGlobal support from Symantec Security Response experts, which is available 24 hours a day, 7 daysa week worldwide in a variety of languages for those customers enrolled in the Platinum Supportprogram■ Advanced features, such as the Symantec Alerting Service and Technical Account Manager role,offer enhanced response and proactive security supportPlease visit our Web site for current information on Support Programs. The specific features availablemay vary based on the level of support purchased and the specific product that you are using.
Licensing and registrationContacting Technical SupportThis product requires a license file. The fastest and easiest way to register your service is to access theSymantec licensing and registration site at https://licensing.symantec.com.Customers with a current maintenance agreement may contact the Technical Support group by phoneor online at www.symantec.com/techsupp.Customers with Platinum support agreements may contact Platinum Technical Support by thePlatinum Web site at https://www-secure.symantec.com/platinum. When contacting the TechnicalSupport group, please have the following:■■■■■■■■■■■Product release levelHardware informationAvailable memory, disk space, NIC informationOperating systemVersion and patch levelNetwork topologyRouter, gateway, and IP address informationProblem descriptionError messages/log filesTroubleshooting performed prior to contacting SymantecRecent software configuration changes and/or network changesCustomer ServiceTo contact Enterprise Customer Service online, go to www.symantec.com/techsupp, select theappropriate Global Site for your country, then select the enterprise Continue link. Customer Service isavailable to assist with the following types of issues:■■■■■■■■■Questions regarding product licensing or serializationProduct registration updates such as address or name changesGeneral product information (features, language availability, local dealers)Latest information on product updates and upgradesInformation on upgrade insurance and maintenance contractsInformation on Symantec Value License ProgramAdvice on Symantec’s technical support optionsNontechnical presales questionsMissing or defective CD-ROMs or manuals
Page 1: Symantec Security GatewaysReference
Page 6 and 7: 6 ContentsMail server record ......
Page 8 and 9: 8 ContentsChapter 9Chapter 10Append
Page 10 and 11: 10 Contents
Page 12 and 13: 12 Introducing Symantec security ga
Page 14 and 15: 14 Introducing Symantec security ga
Page 16 and 17: 16 Network security overviewSecurit
Page 24 and 25: 24 Network security overviewManagem
Page 32 and 33: 32 Security gateway fundamentalsRou
Page 38 and 39: 38 Security gateway fundamentalsDom
Page 44 and 45: 44 Understanding accessNetwork prot
Page 46 and 47: 46 Understanding accessNetwork prot
Page 48 and 49: 48 Understanding accessProxiesProxi
Page 50 and 51: 50 Understanding accessProxiesExamp
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52 Understanding accessProxiesThe D
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54 Understanding accessProxiesThe H
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56 Understanding accessProxiesThe N
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58 Understanding accessProxiesThe S
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60 Understanding accessProxiesTable
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62 Understanding accessService grou
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64 Understanding accessRulesTable 4
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66 Understanding accessRulesWhen a
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68 Controlling service accessFilter
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70 Controlling service accessFilter
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72 Controlling service accessConten
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78 Controlling user accessAuthentic
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86 Controlling user accessTime Peri
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88 Understanding VPN tunnelsTunnels
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90 Understanding VPN tunnelsTunnels
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92 Understanding VPN tunnelsIPsec s
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100 Understanding VPN tunnelsGlobal
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102 Monitoring security gateway tra
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114 Preventing attacksAntivirus (ap
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116 Preventing attacksIntrusion det
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118 Preventing attacksLogical netwo
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120 Preventing attacksAddress trans
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126 Preventing attacksAnti-spam mea
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128 Ensuring availabilitySymantec
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130 Ensuring availabilityStateful f
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132 Ensuring availabilityCluster ad
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134 Log messagesInformational messa
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158 Log messagesNotice messages (20
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176 Log messagesWarning messages (3
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230 Log messagesError messages (400
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256 Log messagesAlert messages (500
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258 Log messagesAlert messages (500
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260 Log messagesCritical messages (
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270 Log messagesEmergency messages
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272 Log messagesEmergency messages
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274 IDS eventsAbout IDS/IPS events
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296 IDS eventsDenial-of-ServiceTabl
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298 IDS eventsDenial-of-ServiceResp
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300 IDS eventsDenial-of-ServiceMalf
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302 IDS eventsIntrusion attemptsUnk
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304 IDS eventsIntrusion attemptsCod
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306 IDS eventsIntrusion attemptsDNS
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308 IDS eventsIntrusion attemptsAff
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312 IDS eventsIntrusion attemptsFTP
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314 IDS eventsIntrusion attemptsHTT
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320 IDS eventsIntrusion attemptsIMA
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322 IDS eventsIntrusion attemptsIRC
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324 IDS eventsIntrusion attemptsIRC
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328 IDS eventsIntrusion attemptsNim
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330 IDS eventsIntrusion attemptsNim
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332 IDS eventsIntrusion attemptsOSP
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334 IDS eventsIntrusion attemptsRlo
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342 IDS eventsIntrusion attemptsSta
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352 IDS eventsIntrusion attemptsWAR
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354 IDS eventsProbesSensor Record F
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356 IDS eventsProbesAffected:No spe
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358 IDS eventsSignaturesSMTP Probin
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360 IDS eventsSignaturesHTTP IIS IS
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362 IDS eventsSignaturesAffected: A
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364 IDS eventsSuspicious activitySu
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366 IDS eventsSuspicious activityBG
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368 IDS eventsSuspicious activityBG
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370 IDS eventsSuspicious activityDN
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372 IDS eventsSuspicious activityFT
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374 IDS eventsSuspicious activityAf
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378 IDS eventsSuspicious activityHT
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392 IDS eventsSuspicious activityId
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394 IDS eventsSuspicious activityIM
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404 IDS eventsSuspicious activityMa
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442 IDS eventsSuspicious activityNN
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444 IDS eventsSuspicious activityOS
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446 IDS eventsSuspicious activityOS
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448 IDS eventsSuspicious activityPO
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450 IDS eventsSuspicious activityRl
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452 IDS eventsSuspicious activityRP
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454 IDS eventsSuspicious activityRe
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458 IDS eventsSuspicious activitySM
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460 IDS eventsSuspicious activitySN
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462 IDS eventsSuspicious activitySO
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508 IDS eventsSuspicious activity
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510 IndexIP address spoofing 21Man-
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512 IndexHH.323alias report 105prox
Page 514 and 515:
514 IndexRTSP 57service parameters
Page 516:
516 Index
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Symantecâ¢ Security Gateways Reference Guide - Sawmill