
  | Customizing Ethereal  | 
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 | This option sets the name of the font used for most text dis-  | |||
  | played by Ethereal. XXX - add an example!  | 
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Disable network object name resolution (such as hostname,  | ||||
  | TCP and UDP port names).  | 
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 | Turns on name resolving for particular types of addresses and  | |||
  | port numbers; the argument is a string that may contain the  | |||
  | letters m to enable MAC address resolution, n to enable net-  | |||
  | work address resolution, and t to enable   | |||
  | number resolution. This overrides   | |||
  | present. The letter C enables concurrent (asynchronous) DNS  | |||
  | lookups.  | 
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 | Sets a preference or recent value, overriding the default value  | |||
  | and any value read from a preference/recent file. The argu-  | |||
  | ment to the flag is a string of the form prefname:value, where  | |||
  | prefname is the name of the preference (which is the same  | |||
  | name that would appear in the preference/recent file), and  | |||
  | value is the value to which it should be set. Multiple instances  | |||
  | of   | |||
  | mand line.  | 
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  | An example of setting a single preference would be:  | 
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  | ethereal  | 
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  | An example of setting multiple preferences would be:  | 
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  | ethereal  | mgcp.display_dissect_tree:TRUE  | ||
  | mgcp.udp.callagent_port:2627  | 
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  | Tip! | 
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  | You can get a list of all available preference  | ||
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  | strings from the preferences file, see Ap-  | ||
  | 
  | pendix A, Configuration (and other) Files and  | ||
  | 
  | Folders. | 
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Don't put the interface into promiscuous mode. Note that the  | ||||
  | interface might be in promiscuous mode for some other reas-  | |||
  | on; hence,   | |||
  | that is captured is traffic sent to or from the machine on  | |||
  | which Ethereal is running, broadcast traffic, and multicast  | |||
  | traffic to addresses received by that machine.  | 
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This option forces Ethereal to exit when capturing is com-  | ||||
  | plete. It can be used with the   | |||
  | conjunction with the   | 
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 | This option provides the name of a capture file for Ethereal to  | |||
  | read and display. This capture file can be in one of the  | |||
  | formats Ethereal understands.  | 
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 | This option specifies a display filter to be applied when read-  | |||
  | ing packets from a capture file. The syntax of this filter is that  | |||
  | of the display filters discussed in Section 6.2, “Filtering pack-  | |||
  | ets while viewing”. Packets not matching the filter are dis-  | |||
  | carded.  | 
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 | This option specifies the snapshot length to use when captur-  | |||
  | ing packets. Ethereal will only capture <snaplen> bytes of  | |||
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