Related Documentation
- ACX, EX, J, M, MX, PTX, SRX, T Series
- Guidelines for Configuring Standard Firewall Filters
- EX, J, M, MX, PTX, SRX, T Series
- Firewall Filter Match Conditions Based on Bit-Field Values
- Firewall Filter Match Conditions Based on Address Fields
- Firewall Filter Match Conditions Based on Address Classes
Firewall Filter Match Conditions Based on Numbers or Text Aliases
This topic covers the following information:
Matching on a Single Numeric Value
You can specify a firewall filter match condition based on whether a particular packet field value is a specified numeric value. In the following example, a match occurs if the packet source port number is 25:
Matching on a Range of Numeric Values
You can specify a firewall filter match condition based on whether a particular packet field value falls within a specified range of numeric values. In the following example, a match occurs for source ports values from 1024 through 65,535, inclusive:
Matching on a Text Alias for a Numeric Value
You can specify a firewall filter match condition based on whether a particular packet field value is a numeric value that you specify by using a text string as an alias for the numeric value. In the following example, a match occurs if the packet source port number is 25. For the source-port and destination-port match conditions, the text aliassmtp corresponds to the numeric value 25.
Matching on a List of Numeric Values or Text Aliases
You can specify a firewall filter match condition based on whether a particular packet field value matches any one of multiple numeric values or text aliases that you specify within square brackets and delimited by spaces. In the following example, a match occurs if the packet source port number is any of the following values: 20 (which corresponds to the text aliases ftp-data), 25, or any value from 1024 through 65535.
Related Documentation
- ACX, EX, J, M, MX, PTX, SRX, T Series
- Guidelines for Configuring Standard Firewall Filters
- EX, J, M, MX, PTX, SRX, T Series
- Firewall Filter Match Conditions Based on Bit-Field Values
- Firewall Filter Match Conditions Based on Address Fields
- Firewall Filter Match Conditions Based on Address Classes
Published: 2013-04-10
Related Documentation
- ACX, EX, J, M, MX, PTX, SRX, T Series
- Guidelines for Configuring Standard Firewall Filters
- EX, J, M, MX, PTX, SRX, T Series
- Firewall Filter Match Conditions Based on Bit-Field Values
- Firewall Filter Match Conditions Based on Address Fields
- Firewall Filter Match Conditions Based on Address Classes
