使用TCPdump 抓取http報文 ，解析http報文格式及客戶端、服務端互動過程
阿新 • • 發佈：2020-12-21
目錄
二.客戶端傳送請求: 請求行(URL POST http版本 ) + 請求頭部 + 請求資料
三.服務端響應: 【狀態行（版本 狀態碼 狀態描述 回車 換行）+響應頭部（值 回車 換行）】+響應正文
一.3次握手建立連線
11:23:00.792238 IP icset.49771 > 20.201.27.113.8089: S 4184594686:4184594686(0) win 5840 <mss 1460,sackOK,timestamp 911221237 0,nop,wscale 7>
0x0000: 4500 003c f90b 4000 4006 d0c9 14c8 2be5 E..< 二.客戶端傳送 請求行(URL POST http版本 ) + 請求頭部 + 請求資料
HTTP請求格式(請求協議):
請求行 ：POST /xxx/xxx/xx/URL HTTP/1.1
請求頭部： Timeout： 60 ...........
請求資料 ： JSON資料
1、=====傳送請求行
11:23:00.793257 IP icset.49771 > 20.201.27.113.8089: P 1:44(43) ack 1 win 46 <nop,nop,timestamp 911221238 304447332>
0x0000: 4500 005f f90f 4000 4006 d0a2 14c8 2be5 [email protected]@.....+.
0x0010: 14c9 1b71 c26b 1f99 f96b d8ff 38cd e078 ...q.k...k..8..x
0x0020: 8018 002e 55b2 0000 0101 080a 3650 21f6 ....U.......6P!.
0x0030: 1225 7f64 504f 5354 202f 7073 6263 2f61 .%.dPOST./xxxx/a
0x0040: 7069 2f68 6172 6477 6172 652f 3835 3131 pi/xxxxxxxx/8511
0x0050: 3630 3537 2048 5454 502f 312e 310d 0a 6057.HTTP/1.1..
11:23:00.793447 IP 20.201.27.113.8089 > icset.49771: . ack 44 win 227 <nop,nop,timestamp 304447333 911221238>
0x0000: 4500 0034 9f1d 4000 3d06 2dc0 14c9 1b71 [email protected]=.-....q
0x0010: 14c8 2be5 1f99 c26b 38cd e078 f96b d92a ..+....k8..x.k.*
0x0020: 8010 00e3 4d41 0000 0101 080a 1225 7f65 ....MA.......%.e
0x0030: 3650 21f6 6P!.
2、=====傳送請求頭
11:23:00.796637 IP icset.49771 > 20.201.27.113.8089: P 44:178(134) ack 1 win 46 <nop,nop,timestamp 911221241 304447333>
0x0000: 4500 00ba f911 4000 4006 d045 14c8 2be5 [email protected]@..E..+.
0x0010: 14c9 1b71 c26b 1f99 f96b d92a 38cd e078 ...q.k...k.*8..x
0x0020: 8018 002e b47d 0000 0101 080a 3650 21f9 .....}......6P!.
0x0030: 1225 7f65 436f 6e74 656e 742d 5479 7065 .%.eContent-Type
0x0040: 3a20 6170 706c 6963 6174 696f 6e2f 6a73 :.application/js
0x0050: 6f6e 0d0a 5469 6d65 6f75 743a 2036 300d on..Timeout:.60.
0x0060: 0a43 6f6e 6e65 6374 696f 6e3a 2063 6c6f .Connection:.clo
0x0070: 7365 0d0a 486f 7374 3a20 3230 2e32 3031 se..Host:.20.201
0x0080: 2e32 372e 3131 330d 0a43 6f6e 7465 6e74 .27.113..Content
0x0090: 2d4c 656e 6774 683a 2039 3536 0d0a 5573 -Length:.956..Us
0x00a0: 6572 2d41 6765 6e74 3a20 6c69 6267 6874 er-Agent:.libght
0x00b0: 7470 2f31 2e30 0d0a 0d0a tp/1.0....
11:23:00.796918 IP 20.201.27.113.8089 > icset.49771: . ack 178 win 235 <nop,nop,timestamp 304447337 911221241>
0x0000: 4500 0034 9f1e 4000 3d06 2dbf 14c9 1b71 [email protected]=.-....q
0x0010: 14c8 2be5 1f99 c26b 38cd e078 f96b d9b0 ..+....k8..x.k..
0x0020: 8010 00eb 4cac 0000 0101 080a 1225 7f69 ....L........%.i
0x0030: 3650 21f9 6P!.
3、======客戶端傳送請求報文
11:23:00.797029 IP icset.49771 > 20.201.27.113.8089: P 178:1134(956) ack 1 win 46 <nop,nop,timestamp 911221242 304447337>
0x0000: 4500 03f0 f913 4000 4006 cd0d 14c8 2be5 [email protected]@.....+.
0x0010: 14c9 1b71 c26b 1f99 f96b d9b0 38cd e078 ...q.k...k..8..x
0x0020: 8018 002e f206 0000 0101 080a 3650 21fa ............6P!.
0x0030: 1225 7f69 7b0a 0922 6368 616e 6e65 6c4e .%.i{.."channelN
0x0040: 6f22 3a09 2233 3922 2c0a 0922 676c 6f62 o":."39",.."glob
0x0050: 616c 4275 7369 5472 6163 6b4e 6f22 3a09 alBusiTrackNo":.
0x0060: 2239 3937 3131 3332 3230 3230 3132 3138 "997113220201218
0x0070: 3131 3233 3030 696f 6330 3038 3330 3331 112300ioc0083031
0x0080: 3239 3022 2c0a 0922 6d73 6753 4e22 3a09 290",.."msgSN":.
0x0090: 2232 3032 3031 3231 3130 3031 3136 3035 "202012110011605
0x00a0: 3637 3736 3230 3032 3030 3133 3239 3030 6776200200132900
0x00b0: 3031 3333 3122 2c0a 0922 6d73 6754 7022 01331",.."msgTp"
0x00c0: 3a09 2264 6365 702e 3630 352e 3030 312e :."dcep.605.001.
0x00d0: 3031 222c 0a09 2270 6572 736f 6e61 6c52 01",.."personalR
0x00e0: 6571 5f67 7270 4864 725f 6372 6544 7454 eq_grpHdr_creDtT
0x00f0: 6d22 3a09 2232 3032 302d 3132 2d31 3854 m":."2020-12-18T
0x0100: 3131 3a32 333a 3030 222c 0a09 2270 6572 11:23:00",.."per
0x0110: 736f 6e61 6c52 6571 5f67 7270 4864 725f sonalReq_grpHdr_
0x0120: 696e 7374 6450 7479 5f69 6e73 7464 4472 instdPty_instdDr
0x0130: 6374 5074 7922 3a09 2243 3130 3430 3331 ctPty":."C104031
0x0140: 3130 3035 3239 3322 2c0a 0922 7065 7273 1005293",.."pers
0x0150: 6f6e 616c 5265 715f 6772 7048 6472 5f69 onalReq_grpHdr_i
0x0160: 6e73 7467 5074 795f 696e 7374 6744 7263 nstgPty_instgDrc
0x0170: 7450 7479 223a 0922 4734 3030 3130 3131 tPty":."G4001011
0x0180: 3030 3030 3133 222c 0a09 2270 6572 736f 000013",.."perso
0x0190: 6e61 6c52 6571 5f67 7270 4864 725f 6d73 nalReq_grpHdr_ms
0x01a0: 6749 6422 3a09 2232 3032 3031 3231 3130 gId":."202012110
0x01b0: 3031 3136 3035 3637 3736 3230 3032 3030 0116056776200200
0x01c0: 3133 3239 3030 3122 2c0a 0922 7065 7273 1329001",.."pers
0x01d0: 6f6e 616c 5265 715f 7065 7273 6f6e 616c onalReq_personal
0x01e0: 496e 665f 7061 7945 4e49 6422 3a09 2231 Inf_payENId":."1
0x01f0: 3035 222c 0a09 2270 6572 736f 6e61 6c52 05",.."personalR
0x0200: 6571 5f70 6572 736f 6e61 6c49 6e66 5f73 eq_personalInf_s
0x0210: 6166 6544 6576 436f 6465 223a 0922 3042 afeDevCode":."0B
0x0220: 3436 3444 3533 3438 3245 3434 3433 3245 464D53482E44432E
0x0230: 3431 3530 3531 222c 0a09 2270 6572 736f 415051",.."perso
0x0240: 6e61 6c52 6571 5f70 6572 736f 6e61 6c49 nalReq_personalI
0x0250: 6e66 5f73 6166 6545 7149 6422 3a09 2234 nf_safeEqId":."4
0x0260: 3739 3039 3231 3330 3131 3737 3334 3030 7909213011773400
0x0270: 3038 3122 2c0a 0922 7065 7273 6f6e 616c 081",.."personal
0x0280: 5265 715f 7065 7273 6f6e 616c 496e 665f Req_personalInf_
0x0290: 746d 6e6c 4964 223a 0922 3133 3538 3838 tmnlId":."135888
0x02a0: 3838 3838 3822 2c0a 0922 7265 6365 6976 88888",.."receiv
0x02b0: 6572 223a 0922 4331 3034 3033 3131 3030 er":."C104031100
0x02c0: 3532 3933 222c 0a09 2273 656e 6453 7973 5293",.."sendSys
0x02d0: 436f 6465 223a 0922 3939 3731 3133 3230 Code":."99711320
0x02e0: 3030 3022 2c0a 0922 7365 6e64 6572 223a 000",.."sender":
0x02f0: 0922 4734 3030 3130 3131 3030 3030 3133 ."G4001011000013
0x0300: 222c 0a09 2273 6967 6e53 4e22 3a09 2231 ",.."signSN":."1
0x0310: 222c 0a09 2273 6e64 4474 546d 223a 0922 ",.."sndDtTm":."
0x0320: 3230 3230 2d31 322d 3138 5431 313a 3233 2020-12-18T11:23
0x0330: 3a30 3022 2c0a 0922 7379 7354 7261 636b :00",.."sysTrack
0x0340: 4e6f 223a 0922 3939 3731 3133 3230 3030 No":."9971132000
0x0350: 3032 3032 3031 3231 3131 3033 3632 3533 0202012111036253
0x0360: 3835 3030 3032 3431 222c 0a09 2274 7261 85000241",.."tra
0x0370: 6e44 6174 6522 3a09 2232 3032 3031 3231 nDate":."2020121
0x0380: 3822 2c0a 0922 7478 4174 7472 6962 7574 8",.."txAttribut
0x0390: 6522 3a09 2230 222c 0a09 2274 7853 6572 e":."0",.."txSer
0x03a0: 6961 6c4e 6f22 3a09 2230 3030 3331 3239 ialNo":."0003129
0x03b0: 3032 3032 3031 3231 3831 222c 0a09 2276 0202012181",.."v
0x03c0: 6572 223a 0922 3031 222c 0a09 2250 6572 er":."01",.."Per
0x03d0: 736f 6e61 6c52 6571 5f70 6572 736f 6e61 sonalReq_persona
0x03e0: 6c49 6e66 5f6e 756d 223a 0922 3122 0a7d lInf_num":."1".}
11:23:00.797263 IP 20.201.27.113.8089 > icset.49771: . ack 1134 win 250 <nop,nop,timestamp 304447337 911221242>
0x0000: 4500 0034 9f1f 4000 3d06 2dbe 14c9 1b71 [email protected]=.-....q
0x0010: 14c8 2be5 1f99 c26b 38cd e078 f96b dd6c ..+....k8..x.k.l
0x0020: 8010 00fa 48e0 0000 0101 080a 1225 7f69 ....H........%.i
0x0030: 3650 21fa 6P!.三.服務端響應: 狀態行（版本 狀態碼 狀態描述 回車 換行）+響應頭部（值 回車 換行）+響應正文
HTTP響應格式（響應協議）：
狀態行： HTTP/1.1 200 OK + 響應頭部
響應正文 ：
1. 狀態行 (版本 狀態碼 狀態描述 回車 換行) + 應答頭部(頭欄位:值 回車 換行)
11:23:02.859112 IP 20.201.27.113.8089 > icset.49771: P 1:113(112) ack 1134 win 250 <nop,nop,timestamp 304449401 911221242>
0x0000: 4500 00a4 9f20 4000 3d06 2d4d 14c9 1b71 [email protected]=.-M...q
0x0010: 14c8 2be5 1f99 c26b 38cd e078 f96b dd6c ..+....k8..x.k.l
0x0020: 8018 00fa ccdc 0000 0101 080a 1225 8779 .............%.y
0x0030: 3650 21fa 4854 5450 2f31 2e31 2032 3030 6P!.HTTP/1.1.200
0x0040: 204f 4b0d 0a74 7261 6e73 6665 722d 656e .OK..transfer-en
0x0050: 636f 6469 6e67 3a20 6368 756e 6b65 640d coding:.chunked.
0x0060: 0a43 6f6e 7465 6e74 2d54 7970 653a 2061 .Content-Type:.a
0x0070: 7070 6c69 6361 7469 6f6e 2f6a 736f 6e3b pplication/json;
0x0080: 6368 6172 7365 743d 5554 462d 380d 0a63 charset=UTF-8..c
0x0090: 6f6e 6e65 6374 696f 6e3a 2063 6c6f 7365 onnection:.close
0x00a0: 0d0a 0d0a ....
11:23:02.859287 IP icset.49771 > 20.201.27.113.8089: . ack 113 win 46 <nop,nop,timestamp 911223306 304449401>
0x0000: 4500 0034 f915 4000 4006 d0c7 14c8 2be5 [email protected]@.....+.
0x0010: 14c9 1b71 c26b 1f99 f96b dd6c 38cd e0e8 ...q.k...k.l8...
0x0020: 8010 002e 391c 0000 0101 080a 3650 2a0a ....9.......6P*.
0x0030: 1225 8779 .%.y
2、響應正文
11:23:02.860896 IP 20.201.27.113.8089 > icset.49771: P 113:1368(1255) ack 1134 win 250 <nop,nop,timestamp 304449402 911223306>
0x0000: 4500 051b 9f21 4000 3d06 28d5 14c9 1b71 [email protected]=.(....q
0x0010: 14c8 2be5 1f99 c26b 38cd e0e8 f96b dd6c ..+....k8....k.l
0x0020: 8018 00fa 17f4 0000 0101 080a 1225 877a .............%.z
0x0030: 3650 2a0a 3465 300d 0a7b 2263 6f64 6522 6P*.4e0..{"code"
0x0040: 3a22 3030 3030 3030 222c 2263 6f6e 7665 :"000000","conve
0x0050: 7274 5273 705f 6772 7048 6472 5f6d 7367 rtRsp_grpHdr_msg
0x0060: 4964 223a 2232 3032 3031 3231 3130 3038 Id":"20201211008
0x0070: 3136 3036 3637 3736 3230 3032 3030 3133 1606677620020013
0x0080: 3239 3030 3122 2c22 6467 746c 456e 766c 29001","dgtlEnvl
0x0090: 7022 3a6e 756c 6c2c 2263 6f6e 7665 7274 p":null,"convert
0x00a0: 5273 705f 6f72 676e 6c47 7270 4864 725f Rsp_orgnlGrpHdr_
0x00b0: 6f72 676e 6c49 6e73 7467 5074 7922 3a22 orgnlInstgPty":"
0x00c0: 4734 3030 3130 3131 3030 3030 3133 222c G4001011000013",
0x00d0: 2274 7853 6572 6961 6c4e 6f22 3a22 3030 "txSerialNo":"00
0x00e0: 3033 3132 3930 3230 3230 3132 3138 3122 031290202012181"
0x00f0: 2c22 7379 7354 7261 636b 4e6f 223a 2239 ,"sysTrackNo":"9
0x0100: 3937 3131 3332 3030 3030 3230 3230 3132 9711320000202012
0x0110: 3131 3130 3336 3235 3338 3530 3030 3234 1110362538500024
0x0120: 3122 2c22 6d61 6322 3a6e 756c 6c2c 2272 1","mac":null,"r
0x0130: 6573 7054 696d 6522 3a6e 756c 6c2c 2274 espTime":null,"t
0x0140: 7261 6e73 436f 6465 223a 6e75 6c6c 2c22 ransCode":null,"
0x0150: 636f 6e76 6572 7452 7370 5f72 7370 736e convertRsp_rspsn
0x0160: 496e 666f 5f63 6f6e 7465 7874 4c69 7374 Info_contextList
0x0170: 223a 5b7b 2263 6f6e 7665 7274 5273 705f ":[{"convertRsp_
0x0180: 7273 7073 6e49 6e66 6f5f 636f 6e74 6578 rspsnInfo_contex
0x0190: 744c 6973 745f 6861 7264 7761 7265 5761 tList_hardwareWa
0x01a0: 6c6c 6574 4964 223a 2230 3038 3139 3030 lletId":"0081900
0x01b0: 3030 3030 3332 3137 3022 2c22 636f 6e76 000032170","conv
0x01c0: 6572 7452 7370 5f72 7370 736e 496e 666f ertRsp_rspsnInfo
0x01d0: 5f63 6f6e 7465 7874 4c69 7374 5f63 6f6e _contextList_con
0x01e0: 7465 7874 4964 223a 2230 3030 3030 3030 textId":"0000000
0x01f0: 3030 3030 3030 3536 3522 2c22 636c 6173 000000565","clas
0x0200: 7322 3a22 636f 6d2e 7073 6263 2e63 6273 s":"com.psbc.cbs
0x0210: 2e64 6365 702e 6877 616c 6c65 7432 2e64 .dcep.hwallet2.d
0x0220: 6365 702e 6474 6f2e 4948 7757 616c 6c65 cep.dto.IHwWalle
0x0230: 7450 6572 736f 6e61 6c41 7070 6c79 5265 tPersonalApplyRe
0x0240: 7370 6f6e 7365 2463 6f6e 7465 7874 4c69 sponse$contextLi
0x0250: 7374 227d 5d2c 2263 6f6e 7665 7274 5273 st"}],"convertRs
0x0260: 705f 7273 7073 6e49 6e66 5f70 7479 4964 p_rspsnInf_ptyId
0x0270: 223a 6e75 6c6c 2c22 7665 7222 3a22 3031 ":null,"ver":"01
0x0280: 222c 2262 6174 6368 4e6f 223a 6e75 6c6c ","batchNo":null
0x0290: 2c22 7265 6365 6976 6572 223a 2247 3430 ,"receiver":"G40
0x02a0: 3031 3031 3130 3030 3031 3322 2c22 636f 01011000013","co
0x02b0: 6e76 6572 7452 7370 5f67 7270 4864 725f nvertRsp_grpHdr_
0x02c0: 696e 7374 6750 7479 5f69 6e73 7467 4472 instgPty_instgDr
0x02d0: 6374 5074 7922 3a22 4331 3034 3033 3131 ctPty":"C1040311
0x02e0: 3030 3532 3933 222c 226d 7367 5470 223a 005293","msgTp":
0x02f0: 2264 6365 702e 3630 362e 3030 312e 3031 "dcep.606.001.01
0x0300: 222c 2263 6f6e 7665 7274 5273 705f 6772 ","convertRsp_gr
0x0310: 7048 6472 5f72 6d6b 223a 6e75 6c6c 2c22 pHdr_rmk":null,"
0x0320: 6d73 6753 4e22 3a22 3230 3230 3132 3131 msgSN":"20201211
0x0330: 3030 3131 3630 3536 3737 3632 3030 3230 0011605677620020
0x0340: 3031 3332 3930 3030 3133 3331 222c 226d 013290001331","m
0x0350: 6573 7361 6765 223a 2222 2c22 7369 676e essage":"","sign
0x0360: 534e 223a 2231 222c 2263 6f6e 7665 7274 SN":"1","convert
0x0370: 5273 705f 6f72 676e 6c47 7270 4864 725f Rsp_orgnlGrpHdr_
0x0380: 6f72 676e 6c4d 7367 4964 223a 2232 3032 orgnlMsgId":"202
0x0390: 3031 3231 3130 3031 3136 3035 3637 3736 0121100116056776
0x03a0: 3230 3032 3030 3133 3239 3030 3122 2c22 2002001329001","
0x03b0: 6865 6164 584d 4c22 3a6e 756c 6c2c 2273 headXML":null,"s
0x03c0: 6e64 4474 546d 223a 2232 3032 302d 3132 ndDtTm":"2020-12
0x03d0: 2d31 3854 3131 3a32 343a 3436 222c 2263 -18T11:24:46","c
0x03e0: 6f6e 7665 7274 5273 705f 7273 7073 6e49 onvertRsp_rspsnI
0x03f0: 6e66 5f72 6a63 7449 6e66 223a 22e6 8890 nf_rjctInf":"...
0x0400: e58a 9f22 2c22 7365 6e64 6572 223a 2243 ...","sender":"C
0x0410: 3130 3430 3331 3130 3035 3239 3322 2c22 1040311005293","
0x0420: 636f 6e76 6572 7452 7370 5f67 7270 4864 convertRsp_grpHd
0x0430: 725f 696e 7374 6450 7479 5f69 6e73 7464 r_instdPty_instd
0x0440: 4472 6374 5074 7922 3a22 4734 3030 3130 DrctPty":"G40010
0x0450: 3131 3030 3030 3133 222c 2263 6f6e 7665 11000013","conve
0x0460: 7274 5273 705f 6772 7048 6472 5f63 7265 rtRsp_grpHdr_cre
0x0470: 4474 546d 223a 2232 3032 302d 3132 2d31 DtTm":"2020-12-1
0x0480: 3854 3131 3a32 343a 3436 222c 226e 6372 8T11:24:46","ncr
0x0490: 7074 6e53 4e22 3a6e 756c 6c2c 2263 6f6e ptnSN":null,"con
0x04a0: 7665 7274 5273 705f 6f72 676e 6c47 7270 vertRsp_orgnlGrp
0x04b0: 4864 725f 6f72 676e 6c4d 5422 3a22 6463 Hdr_orgnlMT":"dc
0x04c0: 6570 2e36 3035 2e30 3031 2e30 3122 2c22 ep.605.001.01","
0x04d0: 636f 6e76 6572 7452 7370 5f72 7370 736e convertRsp_rspsn
0x04e0: 496e 665f 726a 6374 4364 223a 2230 3030 Inf_rjctCd":"000
0x04f0: 3022 2c22 636f 6e76 6572 7452 7370 5f72 0","convertRsp_r
0x0500: 7370 736e 496e 665f 7273 7073 6e53 7473 spsnInf_rspsnSts
0x0510: 223a 2250 5230 3022 7d0d 0a ":"PR00"}..
11:23:02.861263 IP 20.201.27.113.8089 > icset.49771: P 1368:1373(5) ack 1134 win 250 <nop,nop,timestamp 304449403 911223306>
0x0000: 4500 0039 9f22 4000 3d06 2db6 14c9 1b71 E..9."@.=.-....q
0x0010: 14c8 2be5 1f99 c26b 38cd e5cf f96b dd6c ..+....k8....k.l
0x0020: 8018 00fa ef3f 0000 0101 080a 1225 877b .....?.......%.{
0x0030: 3650 2a0a 300d 0a0d 0a 6P*.0....四、 4次揮手
四次揮手
11:23:02.861337 IP 20.201.27.113.8089 > icset.49771: F 1373:1373(0) ack 1134 win 250 <nop,nop,timestamp 304449403 911223306>
0x0000: 4500 0034 9f23 4000 3d06 2dba 14c9 1b71 E..4.#@.=.-....q
0x0010: 14c8 2be5 1f99 c26b 38cd e5d4 f96b dd6c ..+....k8....k.l
0x0020: 8011 00fa 3361 0000 0101 080a 1225 877b ....3a.......%.{
0x0030: 3650 2a0a 6P*.
11:23:02.861370 IP icset.49771 > 20.201.27.113.8089: . ack 1368 win 66 <nop,nop,timestamp 911223308 304449402>
0x0000: 4500 0034 f917 4000 4006 d0c5 14c8 2be5 [email protected]@.....+.
0x0010: 14c9 1b71 c26b 1f99 f96b dd6c 38cd e5cf ...q.k...k.l8...
0x0020: 8010 0042 341e 0000 0101 080a 3650 2a0c ...B4.......6P*.
0x0030: 1225 877a .%.z
11:23:02.861428 IP icset.49771 > 20.201.27.113.8089: . ack 1373 win 66 <nop,nop,timestamp 911223308 304449403>
0x0000: 4500 0034 f919 4000 4006 d0c3 14c8 2be5 [email protected]@.....+.
0x0010: 14c9 1b71 c26b 1f99 f96b dd6c 38cd e5d4 ...q.k...k.l8...
0x0020: 8010 0042 3418 0000 0101 080a 3650 2a0c ...B4.......6P*.
0x0030: 1225 877b .%.{
11:23:02.861514 IP icset.49771 > 20.201.27.113.8089: F 1134:1134(0) ack 1374 win 66 <nop,nop,timestamp 911223308 304449403>
0x0000: 4500 0034 f91b 4000 4006 d0c1 14c8 2be5 [email protected]@.....+.
0x0010: 14c9 1b71 c26b 1f99 f96b dd6c 38cd e5d5 ...q.k...k.l8...
0x0020: 8011 0042 3416 0000 0101 080a 3650 2a0c ...B4.......6P*.
0x0030: 1225 877b .%.{
11:23:02.861732 IP 20.201.27.113.8089 > icset.49771: . ack 1135 win 250 <nop,nop,timestamp 304449403 911223308>
0x0000: 4500 0034 9f24 4000 3d06 2db9 14c9 1b71 [email protected]=.-....q
0x0010: 14c8 2be5 1f99 c26b 38cd e5d5 f96b dd6d ..+....k8....k.m
0x0020: 8010 00fa 335e 0000 0101 080a 1225 877b ....3^.......%.{
0x0030: 3650 2a0c 6P*.