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UA_PHONE traffic is dropped Technical Level
Symptoms
  • UA_PHONE traffic is dropped when packet contains more then 9 UA's or has more then one START_RTP in a packet verification.

  • More then one START_RTP in a packet verification:
    [DATE TIME];...;fw_ua_stateless_verify: more than one START_RTP in one packet;
    [DATE TIME];...;fwconn_handle_field_in_values: operation = get, field = opaque, op_info = 9;
    [DATE TIME];...;fw_ua_handler: fw_ua_stateless_verify failed;
    [DATE TIME];...;fw_ua_manager: fw_ua_handler failed;
    [DATE TIME];...;fw_ua_manager: <== rc=-1;
    [DATE TIME];...;fw_conn_post_inspect: handler function returned action DROP;
    
  • packet contains more then 9 UA's:
    [DATE TIME];...;fwua_parse: DATA;
    [DATE TIME];...;fwua_parse: ua_num 0 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 1 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 2 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 3 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 4 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 5 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 6 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 7 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 8 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: ua_num 9 length 3 opcode 13;
    [DATE TIME];...;fwua_parse: too many UAs;
    [DATE TIME];...;fw_ua_handler: fwua_parse failed;
Solution
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