[tor-bugs] #19026 [Circumvention/Snowflake]: Remove local LAN address ICE candidates

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#19026: Remove local LAN address ICE candidates
-------------------------------------+-----------------------------
 Reporter:  dcf                      |          Owner:  arlolra
     Type:  enhancement              |         Status:  merge_ready
 Priority:  Medium                   |      Milestone:
Component:  Circumvention/Snowflake  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:                           |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:  cohosh                   |        Sponsor:
-------------------------------------+-----------------------------

Comment (by arlolra):

 > Sorry to bring it up at this late stage, but the pion/sdp package is an
 alternative to string operations.

 The patch already uses that parse candidate lines,
 https://github.com/keroserene/snowflake/commit/dbd133b6e1196e4ec7550f0ebb52854cb00d1007
 #diff-0f3a063993ea3b440ad2ce0abb6ac195R101

 However, I missed that Attributes are public on the SessionDescription,
 and can be manipulated directly.

 Will fix, thanks.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19026#comment:13>
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