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383 lines
6.5 KiB
ReStructuredText
383 lines
6.5 KiB
ReStructuredText
SDP Keywords
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============
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The SDP keywords are implemented as sticky buffers and can be used to match on fields in SDP messages.
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======================================== ==================
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Keyword Direction
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======================================== ==================
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sdp.origin Both
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sdp.session_name Both
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sdp.session_info Both
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sdp.uri Both
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sdp.email Both
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sdp.connection_data Both
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sdp.bandwidth Both
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sdp.time Both
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sdp.repeat_time Both
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sdp.timezone Both
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sdp.encryption_key Both
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sdp.attribute Both
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sdp.media.media Both
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sdp.media.session_info Both
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sdp.media.connection_data Both
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sdp.media.encryption_key Both
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======================================== ==================
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sdp.origin
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----------
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This keyword matches on the originator found in an SDP request or response.
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Syntax
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~~~~~~
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::
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sdp.origin; content:<origin>;
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Where <origin> is an originator that follows the SDP Origin (o=) scheme.
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Examples
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~~~~~~~~
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::
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sdp.origin; content:"SIPPS 105015165 105015162 IN IP4 192.168.1.2";
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sdp.session_name
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----------------
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This keyword matches on the session name found in an SDP request or response.
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Syntax
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~~~~~~
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::
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sdp.session_name; content:<session_name>;
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Where <session_name> is a name that follows the SDP Session name (s=) scheme.
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Examples
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~~~~~~~~
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::
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sdp.session_name; content:"SIP call";
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sdp.session_info
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----------------
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This keyword matches on the session information found in an SDP request or response.
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Syntax
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~~~~~~
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::
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sdp.session_info; content:<session_info>;
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Where <session_info> is a description that follows the SDP Session information (i=) scheme.
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Examples
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~~~~~~~~
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::
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sdp.session_info; content:"Session Description Protocol";
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sdp.uri
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-------
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This keyword matches on the URI found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.uri; content:<uri>;
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Where <uri> is a URI (u=) that the follows the SDP scheme.
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Examples
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~~~~~~~~
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sdp.uri; content:"https://www.sdp.proto"
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sdp.email
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---------
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This keyword matches on the email found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.email; content:<email>
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Where <email> is an email address (e=) that follows the SDP scheme.
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Examples
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~~~~~~~~
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sdp.email; content:"j.doe@example.com (Jane Doe)";
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sdp.phone_number
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----------------
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This keyword matches on the phone number found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.phone_number; content:<phone_number>
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Where <phone_number> is a phone number (p=) that follows the SDP scheme.
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Examples
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~~~~~~~~
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sdp.phone_number; content:"+1 617 555-6011 (Jane Doe)";
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sdp.connection_data
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-------------------
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This keyword matches on the connection found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.connection_data; content:<connection_data>;
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Where <connection_data> is a connection (c=) that follows the SDP scheme.
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Examples
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~~~~~~~~
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sdp.connection_data; content:"IN IP4 192.168.1.2"
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sdp.bandwidth
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-------------
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This keyword matches on the bandwidths found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.bandwidth; content:<bandwidth>
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Where <bandwidth> is a bandwidth (b=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.bandwidth; content:"AS:64"
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sdp.time
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--------
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This keyword matches on the time found in an SDP request or response.
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Syntax
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~~~~~~
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::
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sdp.time; content:<time>
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Where <time> is a time (t=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.time; content:"3034423619 3042462419"
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sdp.repeat_time
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---------------
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This keyword matches on the repeat time found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.repeat_time; content:<repeat_time>
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Where <repeat_time> is a repeat time (r=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.repeat_time; content:"604800 3600 0 90000"
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sdp.timezone
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------------
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This keyword matches on the timezone found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.timezone; content:<timezone>
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Where <timezone> is a timezone (z=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.timezone; content:"2882844526 -1h 2898848070 0"
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sdp.encryption_key
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------------------
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This keyword matches on the encryption key found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.encryption_key; content:<encryption_key>
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Where <encryption_key> is a key (k=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.encryption_key; content:"prompt"
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sdp.attribute
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----------------
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This keyword matches on the attributes found in an SDP request or response.
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Syntax
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~~~~~~
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::
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sdp.attribute; content:<attribute>
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Where <attribute> is an attribute (a=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.attribute; content:"sendrecv"
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sdp.media.media
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---------------
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This keyword matches on the Media subfield of a Media description field found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.media.media; content:<media>
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Where <media> is a media (m=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.media.media; content:"audio 30000 RTP/AVP 0 8 97 2 3"
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sdp.media.session_info
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----------------------
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This keyword matches on the Session information subfield of a Media description field found in an SDP request or response.
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Syntax
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~~~~~~
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::
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sdp.media.session_info; content:<session_info>
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Where <session_info> is a description (i=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.media.session_info; content:"Session Description Protocol"
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sdp.media.connection_data
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-------------------------
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This keyword matches on the Connection data subfield of a Media description field found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.media.connection_data; content:<connection_data>
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Where <connection_data> is a connection (c=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.media.connection_data; content:"IN IP4 192.168.1.2"
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sdp.media.encryption_key
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------------------------
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This keyword matches on the Encryption key subfield of a Media description field found in an SDP request or response.
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Syntax
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~~~~~~
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sdp.media.encryption_key; content:<encryption_key>
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Where <encryption_key> is a key (k=) that follows the SDP scheme.
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Example
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~~~~~~~
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sdp.media.encryption_key; content:"prompt"
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