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The SIP Param Filter Profile is used by 

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to create one or more profiles defining whether to block or transparently pass option tags/methods for the SIP headers: allow, require and supported.

The
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supports configuring up to 32 SIP Param Filter Profiles. Each profile can be configured using any/all of the three SIP headers.

 

Command Syntax

The CLI syntax to configure the SIP Param Filter Profile is shown below:

% set profiles services sipParamFilterProfile <profile name>
	action 
		block <all, or  comma-separated list of tags/methods to include>
		passthru <all, or comma-separated list of tags/methods to include>
		rejectRequest <disable | enable>
	sipHeader <allow | require | supported>

Command Parameters

SIP Security Profile

Parameter

Length/Range

Description

<profile name>

1-23 characters

Name of SIP Parameter Filter Profile.

sipHeaderN/A

Identification of the SIP header to block or transparently pass a specific tag/method, a list if tags/methods or all tags/methods, depending upon the settings for action parameter below.

  • allow (default) –  Take action on 'allow' header.
  • require – Take action on 'require' header.
  • supported – Take action on 'supported' header.
actionN/A

Use this parameter to specify the action to take against a specified list of SIP option tags/methods for the selected SIP Headers.

  • block– Use this parameter to define which option tags/methods to block for this profile.
    • all – Transparently pass all tags/methods.
    • <tags/methods list> – Enter one or more (comma-separated) names of the tags/methods to transparently pass.
  • passthru– Use this parameter to define which option tags/methods to transparently pass for this profile.
    • all – Transparently pass all tags/methods.
    • <tags/methods list> – Enter one or more (comma-separated) names of the tags/methods to transparently pass.
  • rejectRequest – Enable this flag to allow
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    to reject a request if a 'require' SIP header tag is dropped due to this profile's settings.
    • disable (default)
    • enable

The rejectRequest flag only applies to the 'require' SIP header.

Command Examples

 

% set profiles services sipParamFilterProfile Prof_AS
% set profiles services sipParamFilterProfile Prof_AS sipHeader allow
% set profiles services sipParamFilterProfile Prof_AS sipHeader allow action block INVITE,REGISTER,OPTIONS,MESSAGE
% set addressContext default zone ZONE_AS sipTrunkGroup TG_SIPART_AS services sipParamFilterProfile Prof_AS

 

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