Policy Framework Configuration Guide - Juniper Networks

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Junos 10.4 Policy Framework Configuration Guide } } } This configuration causes the system log to write any messages with the syslog facility of firewall to the file /var/log/filter. This keeps the messages out of the main system log file and makes them easier to find. Example: Configuring Firewall Filter System Logging Create a filter that logs and counts ICMP packets that have 192.168.207.222 as either their source or destination: [edit] firewall { family inet { filter icmp-syslog { term icmp-match { from { address { 192.168.207.222/32; } protocol icmp; } then { count packets; syslog; accept; } } term default { then accept; } } } } Enter the show log filter command to display the results: root@hostname> show log filter Mar 20 08:03:11 hostname feb FW: so-0/1/0.0 A icmp 192.168.207.222 192.168.207.223 0 0 (1 packets) This output file contains the following fields: • Date and Time—Date and time at which the packet was received (not shown in the default). • Filter action: • A—Accept (or next term) • D—Discard • R—Reject • Protocol—Packet’s protocol name or number. 274 Copyright © 2010, Juniper Networks, Inc.
Chapter 9: Firewall Filter Configuration • Source address—Source IP address in the packet. • Destination address—Destination IP address in the packet. NOTE: If the protocol is ICMP, the ICMP type and code are displayed. For all other protocols, the source and destination ports are displayed. The last two fields (both zero) are the source and destination TCP/UDP ports, respectively, and are shown for TCP or UDP packets only. This log message indicates that only one packet for this match has been detected in about a one-second interval. If packets arrive faster, the system log function compresses the information so that less output is generated, and displays an output similar to the following: root@hostname> show log filter Mar 20 08:08:45 hostname feb FW: so-0/1/0.0 A icmp 192.168.207.222 192.168.207.223 0 0 (515 packets) Copyright © 2010, Juniper Networks, Inc. 275
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Junos ® OS Policy Framework Config
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END USER LICENSE AGREEMENT READ THI
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12. Commercial Computer Software. T
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Abbreviated Table of Contents Part
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Table of Contents About This Guide
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Table of Contents Testing Routing P
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Table of Contents Using Routing Pol
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Table of Contents Configuring Forwa
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Table of Contents Configuring Flow
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Table of Contents interface (Next-H
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List of Figures Part 1 Policy Frame
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List of Tables About This Guide . .
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About This Guide This preface provi
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About This Guide • MX Series •
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About This Guide Table 1: Notice Ic
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About This Guide or are covered und
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PART 1 Policy Framework • Introdu
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CHAPTER 1 Introduction to Policy Fr
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Chapter 1: Introduction to Policy F
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PART 2 Routing Policies • Introdu
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CHAPTER 2 Introduction to Routing P
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Chapter 2: Introduction to Routing
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CHAPTER 3 Routing Policy Configurat
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Chapter 3: Routing Policy Configura
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CHAPTER 4 Routing Policy Configurat
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CHAPTER 5 Extended Match Conditions
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Chapter 5: Extended Match Condition
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CHAPTER 6 Extended Actions Configur
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Chapter 6: Extended Actions Configu
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CHAPTER 7 Summary of Routing Policy
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Chapter 7: Summary of Routing Polic
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PART 3 Firewall Filters • Introdu
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CHAPTER 8 Introduction to Firewall
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Chapter 8: Introduction to Firewall
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CHAPTER 9 Firewall Filter Configura
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Chapter 9: Firewall Filter Configur
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PART 4 Traffic Sampling, Forwarding
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CHAPTER 13 Introduction to Traffic
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CHAPTER 14 Introduction to Traffic
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Chapter 14: Introduction to Traffic
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Chapter 16: Summary of Traffic Samp
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PART 5 Indexes • Index on page 46
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Index Symbols ! in policy expressio
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Index Layer 2 bridging traffic (MX
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Index input statement..............
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Index P P2MP.......................
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Index show policy damping command..
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Index of Statements and Commands A
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Index of Statements and Commands si
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Policy Framework Configuration Guide - Juniper Networks

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