AsyncOS 9.0 for Cisco Content Security Management Appliances User Guide

416 Pages·2015·4.03 MB·English

by  Cisco Ironport Systems

AsyncOS 9.0 for Cisco Content Security
Management Appliances User Guide
August 14, 2015
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C O N T E N T S
CHAPTER 1 Introduction 1-1
What’s New in This Release 1-1
Cisco Content Security Management Overview 1-2
CHAPTER 2 Setup, Installation, and Basic Configuration 2-1
Solution Deployment Overview 2-1
SMA Compatibility Matrix 2-2
Installation Planning 2-2
Network Planning 2-2
About Integrating a Security Management Appliance with Email Security Appliances 2-3
Deployments with Clustered Email Security Appliances 2-3
Preparing for Setup 2-4
Physically Setting Up and Connecting the Appliance 2-4
Determining Network and IP Address Assignments 2-4
Gathering the Setup Information 2-5
Accessing the Security Management Appliance 2-6
Browser Requirements 2-6
About Accessing the Web Interfaces 2-6
Accessing the Web Interface 2-7
Accessing the Command Line Interface 2-7
Supported Languages 2-8
Running the System Setup Wizard 2-8
Before You Begin 2-8
Overview of the System Setup Wizard 2-9
Launch the System Setup Wizard 2-10
Review the End User License Agreement 2-10
Configure the System Settings 2-10
Configure the Network Settings 2-11
Review Your Configuration 2-11
Proceeding to the Next Steps 2-11
About Adding Managed Appliances 2-12
Editing Managed Appliance Configurations 2-12
Removing an Appliance from the List of Managed Appliances 2-13
Security Appliances Page 2-13
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Configuring Services on the Security Management Appliance 2-13
Committing and Abandoning Configuration Changes 2-14
CHAPTER 3 Working With Reports 3-1
Ways to View Reporting Data 3-1
How the Security Appliance Gathers Data for Reports 3-2
How Reporting Data is Stored 3-2
About Reporting and Upgrades 3-3
Customizing Your View of Report Data 3-3
Viewing Reporting Data for an Appliance or Reporting Group 3-4
Choosing a Time Range for Reports 3-4
(Web Reports Only) Choosing Which Data to Chart 3-5
Customizing Tables on Report Pages 3-6
Custom Reports 3-6
Modules That Cannot Be Added to Custom Reports 3-7
Creating Your Custom Report Page 3-7
Viewing Details of Messages or Transactions Included in Reports 3-8
Improving Performance of Email Reports 3-8
Printing and Exporting Reporting and Tracking Data 3-10
Exporting Report Data as a Comma-Separated Values (CSV) File 3-11
Subdomains vs. Second-Level Domains in Reporting and Tracking 3-12
Troubleshooting All Reports 3-12
Unable to View Report Data on Backup Security Management Appliance 3-13
Reporting Is Disabled 3-13
Email and Web Reports 3-13
CHAPTER 4 Using Centralized Email Security Reporting 4-1
Centralized Email Reporting Overview 4-1
Setting Up Centralized Email Reporting 4-2
Enabling Centralized Email Reporting on the Security Management Appliance 4-2
Adding the Centralized Email Reporting Service to Each Managed Email Security Appliance 4-3
Creating Email Reporting Groups 4-4
Enabling Centralized Email Reporting on Email Security Appliances 4-4
Working with Email Report Data 4-4
Searching and the Interactive Email Report Pages 4-5
Understanding the Email Reporting Pages 4-6
Table Column Descriptions for Email Reporting Pages 4-9
Email Reporting Overview Page 4-11
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How Incoming Mail Messages are Counted 4-12
How Email Messages Are Categorized by the Appliances 4-12
Categorizing Email Messages on the Overview Page 4-12
Incoming Mail Page 4-14
Views Within the Incoming Mail Page 4-14
Categorizing Email Messages on Incoming Mail Page 4-15
Incoming Mail Details Table 4-17
Sender Profile Pages 4-17
Sender Groups Report Page 4-19
Outgoing Destinations Page 4-19
Outgoing Senders Page 4-20
Internal Users Page 4-21
Internal User Details Page 4-22
Searching for a Specific Internal User 4-23
DLP Incidents 4-23
DLP Incidents Details Table 4-24
DLP Policy Detail Page 4-24
Message Filters 4-24
High Volume Mail 4-25
Content Filters Page 4-25
Content Filter Details Page 4-25
DMARC Verification 4-26
Virus Types Page 4-26
URL Filtering Page 4-27
Advanced Malware Protection (File Reputation and File Analysis) Reporting Pages 4-27
Requirements for File Analysis Report Details 4-28
Identifying Files by SHA-256 Hash 4-28
File Reputation and File Analysis Report Pages 4-28
Viewing File Reputation Filtering Data in Other Reports 4-29
TLS Connections Page 4-29
Inbound SMTP Authentication Page 4-30
Rate Limits Page 4-31
Outbreak Filters Page 4-32
System Capacity Page 4-33
How to Interpret the Data You See on System Capacity Page 4-34
System Capacity – Workqueue 4-34
System Capacity – Incoming Mail 4-35
System Capacity – Outgoing Mail 4-35
System Capacity – System Load 4-35
Note About Memory Page Swapping 4-35
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System Capacity – All 4-36
Reporting Data Availability Page 4-36
About Scheduled and On-Demand Email Reports 4-36
Additional Report Types 4-37
Domain-Based Executive Summary Report 4-38
Executive Summary Report 4-40
Scheduled Reports Page 4-40
Scheduling Email Reports 4-40
Adding Scheduled Reports 4-41
Editing Scheduled Reports 4-42
Discontinuing Scheduled Reports 4-42
Generating Email Reports On Demand 4-42
Archived Email Reports Page 4-43
Viewing and Managing Archived Email Reports 4-44
Accessing Archived Reports 4-44
Deleting Archived Reports 4-44
Troubleshooting Email Reports 4-45
Outbreak Filters Reports Do Not Show Information Correctly 4-45
Message Tracking Results Do Not Match Report Results After Clicking a Link in a Report 4-45
Advanced Malware Protection Verdict Updates Report Results Differ 4-45
Issues Viewing File Analysis Report Details 4-45
File Analysis Report Details Are Not Available 4-46
Error When Viewing File Analysis Report Details 4-46
CHAPTER 5 Using Centralized Web Reporting and Tracking 5-1
Centralized Web Reporting and Tracking Overview 5-1
Setting Up Centralized Web Reporting and Tracking 5-2
Enabling Centralized Web Reporting on the Security Management Appliance 5-3
Enabling Centralized Web Reporting on Web Security Appliances 5-3
Adding the Centralized Web Reporting Service to Each Managed Web Security Appliance 5-3
Anonymizing User Names in Web Reports 5-4
Working with Web Security Reports 5-5
Web Reporting Page Descriptions 5-5
About Time Spent 5-8
Web Reporting Overview 5-8
Users Report (Web) 5-10
User Details (Web Reporting) 5-11
Web Sites Report 5-13
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URL Categories Report 5-14
Reducing Uncategorized URLs 5-15
URL Category Set Updates and Reports 5-15
Using The URL Categories Page in Conjunction with Other Reporting Pages 5-16
Reporting Misclassified and Uncategorized URLs 5-16
Application Visibility Report 5-16
Understanding the Difference between Application versus Application Types 5-17
Anti-Malware Report 5-18
Malware Category Report 5-19
Malware Threat Report 5-20
Malware Category Descriptions 5-20
Advanced Malware Protection (File Reputation and File Analysis) Reports 5-21
Requirements for File Analysis Report Details 5-21
Identifying Files by SHA-256 Hash 5-22
Advanced Malware Protection (File Reputation and File Analysis) Report Pages 5-23
Viewing File Reputation Filtering Data in Other Reports 5-24
Client Malware Risk Report 5-24
Web Reputation Filters Report 5-25
What are Web Reputation Filters? 5-25
Adjusting Web Reputation Settings 5-27
L4 Traffic Monitor Report 5-27
SOCKS Proxy Report 5-29
Reports by User Location 5-29
System Capacity Page 5-30
Viewing the System Capacity Report 5-30
How to Interpret the Data You See on the System Capacity Page 5-31
System Capacity - System Load 5-31
System Capacity - Network Load 5-31
Note About Proxy Buffer Memory Swapping 5-32
Data Availability Page 5-32
About Scheduled and On-Demand Web Reports 5-32
Scheduling Web Reports 5-33
Storage of Scheduled Web Reports 5-34
Adding Scheduled Web Reports 5-34
Editing Scheduled Web Reports 5-35
Deleting Scheduled Web Reports 5-35
Additional Extended Web Reports 5-35
Top URL Categories—Extended 5-35
Top Application Types—Extended 5-36
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Generating Web Reports on Demand 5-37
Archived Web Reports Page 5-38
Viewing and Managing Archived Web Reports 5-38
Web Tracking 5-38
Searching for Transactions Processed by Web Proxy Services 5-39
Searching for Transactions Processed by the L4 Traffic Monitor 5-42
Searching for Transactions Processed by the SOCKS Proxy 5-43
Working with Web Tracking Search Results 5-43
Displaying More Web Tracking Search Results 5-43
Understanding Web Tracking Search Results 5-43
Viewing Transaction Details for Web Tracking Search Results 5-44
About Web Tracking and Advanced Malware Protection Features 5-44
About Web Tracking and Upgrades 5-45
Troubleshooting Web Reporting and Tracking 5-45
Centralized Reporting Is Enabled Properly But Not Working 5-45
Advanced Malware Protection Verdict Updates Report Results Differ 5-46
Issues Viewing File Analysis Report Details 5-46
File Analysis Report Details Are Not Available 5-46
Error When Viewing File Analysis Report Details 5-46
Expected Data Is Missing from Reporting or Tracking Results 5-46
PDF Shows Only a Subset of Web Tracking Data 5-47
Troubleshooting L4 Traffic Monitor Reports 5-47
CHAPTER 6 Tracking Email Messages 6-1
Tracking Service Overview 6-1
Setting Up Centralized Message Tracking 6-2
Enabling Centralized Email Tracking on a Security Management Appliance 6-2
Configuring Centralized Message Tracking on Email Security Appliances 6-2
Adding the Centralized Message Tracking Service to Each Managed Email Security Appliance 6-3
Managing Access to Sensitive Information 6-4
Checking Message Tracking Data Availability 6-4
Searching for Email Messages 6-4
Narrowing the Result Set 6-7
About Message Tracking and Advanced Malware Protection Features 6-7
Understanding Tracking Query Results 6-8
Message Details 6-9
Envelope and Header Summary 6-9
Sending Host Summary 6-9
Processing Details 6-9
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DLP Matched Content Tab 6-10
Troubleshooting Message Tracking 6-10
Expected Messages Are Missing from Search Results 6-10
Attachments Do Not Appear in Search Results 6-10
CHAPTER 7 Spam Quarantine 7-1
Overview of the Spam Quarantine 7-1
Local Versus External Spam Quarantine 7-1
Setting Up the Centralized Spam Quarantine 7-2
Enabling and Configuring the Spam Quarantine 7-2
Adding the Centralized Spam Quarantine Service to Each Managed Email Security Appliance 7-4
Configuring an Outbound IP Interface on the Security Management Appliance 7-5
Configuring the IP Interface for Browser Access to the Spam Quarantine 7-6
Configuring Administrative User Access to the Spam Quarantine 7-6
Limiting Which Recipients Have Mail Quarantined 7-7
Ensuring That Message Text Displays Correctly 7-7
Spam Quarantine Language 7-7
Edit Spam Quarantine Page 7-8
Using Safelists and Blocklists to Control Email Delivery Based on Sender 7-8
Message Processing of Safelists and Blocklists 7-8
Enabling Safelists and Blocklists 7-9
External Spam Quarantine and Safelist/Blocklists 7-10
Adding Senders and Domains to Safelists and Blocklists (Administrators) 7-10
Syntax for Safelists and Blocklist Entries 7-11
Clearing All Safelists and Blocklists 7-12
About End-User Access to Safelists and Blocklists 7-12
Adding Entries to Safelists (End Users) 7-12
Adding Senders to Blocklists (End Users) 7-13
Backing Up and Restoring the Safelist/Blocklist 7-13
Troubleshooting Safelists and Blocklists 7-14
Message from Safelisted Sender Was Not Delivered 7-14
Configuring Spam Management Features for End Users 7-15
Authentication Options for End Users Accessing Spam Management Features 7-15
LDAP Authentication Process 7-16
IMAP/POP Authentication Process 7-17
Setting Up End-User Access to the Spam Quarantine via Web Browser 7-17
Configuring End-User Access to the Spam Quarantine 7-18
Determining the URL for End-User Access to the Spam Quarantine 7-19
Which Messages an End User Sees 7-19
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Notifying End Users About Quarantined Messages 7-19
Recipient Email Mailing List Aliases and Spam Notifications 7-21
Testing Notifications 7-21
Troubleshooting Spam Notifications 7-22
Managing Messages in the Spam Quarantine 7-22
Accessing the Spam Quarantine (Administrative Users) 7-23
Searching for Messages in the Spam Quarantine 7-23
Searching Very Large Message Collections 7-23
Viewing Messages in the Spam Quarantine 7-23
Delivering Messages in the Spam Quarantine 7-24
Deleting Messages from the Spam Quarantine 7-24
Disk Space for the Spam Quarantine 7-24
About Disabling the External Spam Quarantine 7-25
Troubleshooting Spam Quarantine Features 7-25
CHAPTER 8 Centralized Policy, Virus, and Outbreak Quarantines 8-1
Overview of Centralized Quarantines 8-1
Quarantine Types 8-2
Centralizing Policy, Virus, and Outbreak Quarantines 8-3
Enabling Centralized Policy, Virus, and Outbreak Quarantines on the Security Management
Appliance 8-4
Adding the Centralized Policy, Virus, and Outbreak Quarantine Service to Each Managed Email
Security Appliance 8-5
Configuring Migration of Policy, Virus, and Outbreak Quarantines 8-6
Designating an Alternate Appliance to Process Released Messages 8-7
Configuring Centralized Quarantine Access for Custom User Roles 8-8
Disabling Centralized Policy, Virus, and Outbreak Quarantines 8-8
Releasing Messages When an Email Security Appliance Is Unavailable 8-8
Managing Policy, Virus, and Outbreak Quarantines 8-9
Disk Space Allocation for Policy, Virus, and Outbreak Quarantines 8-9
Retention Time for Messages in Quarantines 8-9
Default Actions for Automatically Processed Quarantined Messages 8-11
Checking the Settings of System-Created Quarantines 8-11
Creating Policy Quarantines 8-11
About Editing Policy, Virus, and Outbreak Quarantine Settings 8-13
Determining the Filters and Message Actions to Which a Quarantine Is Assigned 8-13
About Deleting Policy Quarantines 8-13
Monitoring Quarantine Status, Capacity, and Activity 8-14
Alerts About Quarantine Disk-Space Usage 8-14
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