Symantecâ¢ Security Gateways Reference Guide - Sawmill

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336 IDS eventsIntrusion attemptsAffected: Sendmail versions 5.2 to 8.12.7False Positives: None known.References: Security Focus BID: 6991CAN-2002-1337CERT: CA-2003-07SNMP Malformed BER/ASN.1 data encodingBase Event:Details:SNMP_ASN1_DATALENGTH_IMPOSSIBLE_STATEThis represents an internal error and should never occur.SNMP Malformed BER/ASN.1 data encodingBase Event:Details:Response:Affected:SNMP_ASN1_DATALENGTH_RIDICULOUS_WIDTHAn element of BER encoded ASN.1 data specified an integer larger than 32 bits for the data length.SNMP data should never require numbers this large to describe their length, and indicates either anon-conforming SNMP implementation or an intrusion attempt.Location and audit of victim is recommended.Hosts running SNMP agents or managers.False Positives: None known.References:RFC 1155 - SNMP v1 SpecificationsRFC 1157 - SNMP v1 SpecificationsRFC 1212 - SNMP v1 SpecificationsRFC 1901 - SNMP v2c SpecificationsRFC 1902 - SNMP v2c SpecificationsRFC 1903 - SNMP v2c SpecificationsRFC 1904 - SNMP v2c SpecificationsRFC 1905 - SNMP v2c SpecificationsRFC 1906 - SNMP v2c SpecificationsRFC 1907 - SNMP v2c SpecificationsRFC 1908 - SNMP v2c SpecificationsRFC 2571 - SNMP v3 SpecificationsRFC 2572 - SNMP v3 SpecificationsRFC 2573 - SNMP v3 SpecificationsRFC 2574 - SNMP v3 SpecificationsRFC 2575 - SNMP v3 SpecificationsSNMP FAQSNMP Malformed BER/ASN.1 dataBase Event:Details:Response:SNMP_ASN1_DATALENGTH_VALUE_TOO_LARGEAn element of BER encoded ASN.1 data specified a data field size that was too large for its indicatedprimitive type.Location and audit of victim is recommended.
IDS eventsIntrusion attempts337Affected:Hosts running SNMP agents or managers.False Positives: None known.References:RFC 1155 - SNMP v1 SpecificationsRFC 1157 - SNMP v1 SpecificationsRFC 1212 - SNMP v1 SpecificationsRFC 1901 - SNMP v2c SpecificationsRFC 1902 - SNMP v2c SpecificationsRFC 1903 - SNMP v2c SpecificationsRFC 1904 - SNMP v2c SpecificationsRFC 1905 - SNMP v2c SpecificationsRFC 1906 - SNMP v2c SpecificationsRFC 1907 - SNMP v2c SpecificationsRFC 1908 - SNMP v2c SpecificationsRFC 2571 - SNMP v3 SpecificationsRFC 2572 - SNMP v3 SpecificationsRFC 2573 - SNMP v3 SpecificationsRFC 2574 - SNMP v3 SpecificationsRFC 2575 - SNMP v3 SpecificationsSNMP FAQSNMP Malformed BER/ASN.1 data encodingBase Event:Details:Response:SNMP_ASN1_INTERNALERROR_OVERREAD_OCTETSTRINGRare conditions can cause the SNMP traffic analyzer to over read a data field and mis-interpret newdata elements as part of the previous data field. In all cases where this is possible the data is malformedanyway, and could indicate a possible attack.Location and audit of victim is recommended.
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Symantec Security GatewaysReference
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Licensing and registrationContactin
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6 ContentsMail server record ......
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8 ContentsChapter 9Chapter 10Append
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10 Contents
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12 Introducing Symantec security ga
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14 Introducing Symantec security ga
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16 Network security overviewSecurit
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24 Network security overviewManagem
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32 Security gateway fundamentalsRou
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38 Security gateway fundamentalsDom
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44 Understanding accessNetwork prot
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46 Understanding accessNetwork prot
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48 Understanding accessProxiesProxi
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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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Page 286 and 287: 286 IDS eventsAbout IDS/IPS events
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Page 354 and 355: 354 IDS eventsProbesSensor Record F
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Page 358 and 359: 358 IDS eventsSignaturesSMTP Probin
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386 IDS eventsSuspicious activityHT
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392 IDS eventsSuspicious activityId
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394 IDS eventsSuspicious activityIM
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442 IDS eventsSuspicious activityNN
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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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458 IDS eventsSuspicious activitySM
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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
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514 IndexRTSP 57service parameters
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516 Index
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