12.6.4.3. Procedure – Multiple backup nodes - - Proxedo Network Security Suite 2 Administrator Guide

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12.6.4.3. Procedure – Multiple backup nodes

It is possible to have multiple backup nodes in the same VRRP group. If the nodes do not have the same hardware or the nodes differ in computing speed, it is suggested, to set the Node priority via linking keepalived priority-typed cluster property.

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Published on August 04, 2023
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Contents
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Preface
- 1. Summary of contents
- 2. Target audience and prerequisites
- 3. Products covered in this guide
- 4. About this document
  - 4.1. Feedback
Summary of changes
- 1.
1. Introduction
- 1.1. What PNS is
- 1.2. Who uses PNS?
2. Concepts of the PNS Gateway solution
- 2.1. Main components of the PNS Gateway solution
- 2.2. The concepts and architecture of PNS firewalls
3. Managing PNS hosts
- 3.1. MS and MC
  - 3.1.1. Defining a new host and starting MC
- 3.2. MC structure
- 3.3. Configuration and Configuration management
- 3.4. Viewing PNS logs
  - 3.4.1. The command bar of the log viewer
4. Registering new hosts
- 4.1. Bootstrap a new host
- 4.2. Reconnecting to a host
  - 4.2.1. Reconnecting MS to a host
5. Networking, routing, and name resolution
- 5.1. Configuring networking interfaces
- 5.2. Managing name resolution
- 5.3. Managing client-side name resolution
  - 5.3.1. Configure name resolution
- 5.4. The routing editor
6. Managing network traffic with PNS
- 6.1. Understanding Application-level Gateway policies
- 6.2. Zones
- 6.3. Application-level Gateway instances
- 6.4. Application-level Gateway services
- 6.5. Configuring firewall rules
- 6.6. Proxy classes
- 6.7. Policies
- 6.8. Monitoring active connections
- 6.9. Traffic reports
  - 6.9.1. Configuring PNS reporting
7. Logging with syslog-ng
- 7.1. Introduction to syslog-ng
- 7.2. Configuring syslog-ng with MC
8. The Text editor plugin
- 8.1. Using the Text editor plugin
  - 8.1.1. Configure services with the Text editor plugin
  - 8.1.2. Use the additional features of Text editor plugin
9. Native services
- 9.1. BIND
- 9.2. NTP
  - 9.2.1. Configuring NTP with MC
  - 9.2.2. Status and statistics
- 9.3. Postfix
  - 9.3.1. Configuring Postfix with MC
    - 9.3.1.1. Configuring Postfix with MC
- 9.4. Local services on PNS
  - 9.4.1. Enabling access to local services
10. Local firewall administration
- 10.1. Linux
- 10.2. Login to the firewall
- 10.3. Editing configuration files
- 10.4. Network configuration
- 10.5. System logging
- 10.6. NTP
- 10.7. BIND
- 10.8. Updating and upgrading your PNS hosts
- 10.9. Packet filter
- 10.10. PNS configuration
  - 10.10.1. Policy.py and instances.conf
    - 10.10.1.1. Edit the Policy.py file
  - 10.10.2. Application-level Gateway control
- 10.11. Managing core dump files
11. Key and certificate management in PNS
- 11.1. Cryptography basics
  - 11.1.1. Symmetric and asymmetric encryption
- 11.2. PKI Basics
- 11.3. PKI in MS
12. Clusters and high availability
- 12.1. Introduction to clustering
- 12.2. Clustering solutions
  - 12.2.1. Fail-Over clusters
  - 12.2.2. Load balance clusters
- 12.3. Managing clusters with MS
- 12.4. Creating clusters
- 12.5. Heartbeat
- 12.6. Keepalived for High Availability
- 12.7. Availability Checker
  - 12.7.1. Prerequisites for configuring the Availability Checker plugin
  - 12.7.2.
    - 12.7.2.1. Configuring the Availability Checker
13. Advanced MS and Agent configuration
- 13.1. Setting configuration parameters
- 13.2. Setting agent configuration parameters
- 13.3. Managing connections
- 13.4. Handling XML databases
14. Virus and content filtering using CF
- 14.1. Content vectoring basics
  - 14.1.1. Quarantining
- 14.2. Content vectoring with CF
- 14.3. Quarantine management in MC
  - 14.3.1. Information stored about quarantined objects
  - 14.3.2. Configuring quarantine cleanup
15. Connection authentication and authorization
- 15.1. Authentication and authorization basics
  - 15.1.1. Inband authentication
  - 15.1.2. Outband authentication
    - 15.1.2.1. Outband authentication using the Authentication Agent
- 15.2. The concept of AS
  - 15.2.1. Supported backends and authentication methods
- 15.3. Authenticating connections with AS
- 15.4. Logging in AS
16. Virtual Private Networks
- 16.1. Virtual Private Networking basics
- 16.2. Using VPN connections
  - 16.2.1. Using VPN connections
- 16.3. Configuring IPSec connections
- 16.4. Configuring SSL (OpenVPN) connections
  - 16.4.1. Configuring SSL connections
  - 16.4.2. SSL options
    - 16.4.2.1. Configuring the VPN management daemon
    - 16.4.2.2. Push options
      - The Redirect gateway option
17. Integrating PNS to external monitoring systems
- 17.1. Monitoring PNS with Munin
- 17.2. Installing a Munin server on a MS host
- 17.3. Monitoring PNS with Nagios
Appendix A. Keyboard shortcuts in Management Console
- A.1. Function keys
- A.2. Shortcuts
- A.3. Access keys
Appendix B. Further readings
- B.1. PNS-related material
- B.2. General, Linux-related materials
- B.3. Postfix documentation
- B.4. BIND Documentation
- B.5. NTP references
- B.6. SSH resources
- B.7. TCP/IP Networking
- B.8. Netfilter/IPTables
- B.9. General security-related resources
- B.10. syslog-ng references
- B.11. Python references
- B.12. Public key infrastructure (PKI)
- B.13. Virtual Private Networks (VPN)
Appendix C. Proxedo Network Security Suite End-User License Agreement
- C.1. 1. SUBJECT OF THE LICENSE CONTRACT
- C.2. 2. DEFINITIONS
- C.3. 3. LICENSE GRANTS AND RESTRICTIONS
- C.4. 4. SUBSIDIARIES
- C.5. 5. INTELLECTUAL PROPERTY RIGHTS
- C.6. 6. TRADE MARKS
- C.7. 7. NEGLIGENT INFRINGEMENT
- C.8. 8. INTELLECTUAL PROPERTY INDEMNIFICATION
- C.9. 9. LICENSE FEE
- C.10. 10. WARRANTIES
- C.11. 11. DISCLAIMER OF WARRANTIES
- C.12. 12. LIMITATION OF LIABILITY
- C.13. 13.DURATION AND TERMINATION
- C.14. 14. AMENDMENTS
- C.15. 15. WAIVER
- C.16. 16. SEVERABILITY
- C.17. 17. NOTICES
- C.18. 18. MISCELLANEOUS
Appendix D. Creative Commons Attribution Non-commercial No Derivatives (by-nc-nd) License

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Proxedo Network Security Suite 2 Administrator Guide

12.6.4. Configuration examples and best practices for Keepalived configuration