ProtocolSUA < Public

Public Web>ProtocolReference>ProtocolSUA (2009-05-20, OxanaAkhremenko) (raw view)EditAttach
%STARTALIASAREA%
---+++ SCCP User Adaptation
Пользовательский уровень адаптации [[ProtocolSCCP][SCCP]]. Использует [[ProtocolSCTP][SCTP]]

---++++ Пример дешифрации
<verbatim>
SUA (SS7 SCTP User Adaptation Layer): RFC 3868, 2004
 
        -- Common SUA Message Header
        62 00000001 SUA Protocol Version.......... SUA version 1.0
        63 00000000 Reserved...................... 0 Dec
 
        -- Message Class
        64 00000111 Message Class................. Connectionless messages (CL)
 
        -- Message Data
        65 00000001 Message Type.................. CLDT
           66 ***B4*** Message length................ 172 Dec
 
        -- Connectionless Data Transfer
        70 ***b16** Tag........................... Routing context
           72 ***b16** Parameter length.............. 4 Dec
 
           -- Routing context
           74 ***B4*** Address....................... 0.0.11.77
 
        78 ***b16** Tag........................... Protocol class
           80 ***b16** Parameter length.............. 4 Dec
 
           -- Protocol class
           82 00000000 Spare......................... 0
           83 00000000 Spare......................... 0
           84 00000000 Spare......................... 0
           85 00...... Protocol class................ Class 0 (connless service)
              ..00000. Spare......................... 0
              .......0 Return flag................... No special options
 
        86 ***b16** Tag........................... Source address
           88 ***b16** Parameter length.............. 40 Dec
 
           -- Source address
           90 ***b16** Routing indicator............. Route on SSN + PC
           92 00000000 Spare......................... 0
           93 00000... Spare......................... 0
              .....1.. Address indicator............. Include GT
              ......0. Address indicator............. Do not include PC, regardless of the routing ind. value
              .......1 Address indicator............. Include SSN
 
           -- Address parameters
           94 ***b16** Tag........................... Global title
              96 ***b16** Parameter length.............. 14 Dec
 
              -- Global title
              98 00000000 Spare......................... 0
              99 00000000 Spare......................... 0
             100 00000000 Spare......................... 0
             101 00000100 GTI........................... 4 Dec
             102 00001100 Number of digits.............. 12 Dec
             103 00000000 Translation type.............. Unknown
             104 00000001 Numbering plan................ ISDN/telephony numbering plan (Recommendations E.163, E.164)
             105 00000100 Nature of address............. International number
             106 ***B6*** Global title digits........... 447785002897
 
              -- Padding
             112 ***b16** Octetstring................... 00 00
 
          114 ***b16** Tag........................... Point code
             116 ***b16** Parameter length.............. 4 Dec
 
              -- Point code
             118 00000000 Mask.......................... 0 Dec
             119 ***b10** Spare......................... 0
                 ..001... Zone.......................... 1 Dec
                 ******** Region........................ 105 Dec
                 .....101 SP............................ 5 Dec
 
          122 ***b16** Tag........................... SSN
             124 ***b16** Parameter length.............. 4 Dec
 
              -- SSN
             126 00000000 Spare......................... 0
             127 00000000 Spare......................... 0
             128 00000000 Spare......................... 0
             129 00001000 SSN value..................... MSC
 
       130 ***b16** Tag........................... Destination address
          132 ***b16** Parameter length.............. 32 Dec
 
           -- Destination address
          134 ***b16** Routing indicator............. Route on global title
          136 00000000 Spare......................... 0
          137 00000... Spare......................... 0
              .....1.. Address indicator............. Include GT
              ......0. Address indicator............. Do not include PC, regardless of the routing ind. value
              .......1 Address indicator............. Include SSN
 
           -- Address parameters
          138 ***b16** Tag........................... Global title
             140 ***b16** Parameter length.............. 14 Dec
 
              -- Global title
             142 00000000 Spare......................... 0
             143 00000000 Spare......................... 0
             144 00000000 Spare......................... 0
             145 00000100 GTI........................... 4 Dec
             146 00001100 Number of digits.............. 12 Dec
             147 00000000 Translation type.............. Unknown
             148 00000001 Numbering plan................ ISDN/telephony numbering plan (Recommendations E.163, E.164)
             149 00000100 Nature of address............. International number
             150 ***B6*** Global title digits........... 447785016435
 
              -- Padding
             156 ***b16** Octetstring................... 00 00
 
          158 ***b16** Tag........................... SSN
             160 ***b16** Parameter length.............. 4 Dec
 
              -- SSN
             162 00000000 Spare......................... 0
             163 00000000 Spare......................... 0
             164 00000000 Spare......................... 0
             165 00000110 SSN value..................... HLR
 
       166 ***b16** Tag........................... Sequence control
          168 ***b16** Parameter length.............. 4 Dec
       170 ***B4*** Sequence control.............. 0 Hex
       174 ***b16** Tag........................... Message priority
          176 ***b16** Parameter length.............. 4 Dec
 
           -- Message priority
          178 00000000 Spare......................... 0
          179 00000000 Spare......................... 0
          180 00000000 Spare......................... 0
          181 11111111 Message priority.............. 255 Dec
 
       182 ***b16** Tag........................... Data
 
           -- Data
             184 ***b16** Parameter length.............. 55 Dec
          186 ***B55** Data.......................... 64 35 49 04 A0 42 37 6E 6B 
                                                      26 28 24 06 07 00 11 86 05 
                                                      01 01 01 A0 19 61 17 A1 09 
                                                      06 07 04 00 00 01 00 17 02 
                                                      A2 03 02 01 00 A3 05 A1 03 
                                                      02 01 00 6C 05 A2 03 02 01 
                                                      01
 
           -- Padding
          241 00000000 Spare......................... 0
</verbatim>

---++++ Фильтрация
<br />
     <img src="%ATTACHURLPATH%/sua.png" alt="sua.png" width='554' height='381' />

---++++ Ссылки
[[http://www.ietf.org/rfc/rfc3868.txt?number=3868][Signalling Connection Control Part User Adaptation Layer]]
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I	Attachment	Action	Size	Date	Who	Comment
png	sua.png	manage	10.7 K	2009-01-21 - 14:03	OxanaAkhremenko
Topic revision: r3 - 2009-05-20 - 15:52:57 - OxanaAkhremenko
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