web services - Truncated JSON reponse when network is not local -

i have used python , django implementing server side. when use browser in computer in local network (where server connected to) work web-based application, fine. when access application computer outside local network through internet, responses web-services truncated , not json parsable (specially when answer long.) here sample:

response headers      age:1      connection:keep-alive      content-type:text/html; charset=utf-8      date:wed, 26 jul 2017 09:07:59 gmt      server:ats/5.3.0      set-cookie:sessionid=pdf9t7xvhzd08svsnvpw0vq8xvc10trz; httponly; path=/      status:200      vary:cookie      x-frame-options:sameorigin 

truncated response:

[{"orderpoint": 1, "merchandisegroupid": 3, "id": 4, "merchandisesecondname": "q", "stocknumber": 12, "numberoforder": 1, "merchandisename": "50\u0622\u0645\u067e\u0631l1\u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f50ah-vl", "issubjecttotax": true, "detailcode": "2000000001", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 5, "merchandisesecondname": "q", "stocknumber": 2, "numberoforder": 1, "merchandisename": "55\u0622\u0645\u067e\u0631l2\u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f55ah-vl", "issubjecttotax": true, "detailcode": "2000000002", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 6, "merchandisesecondname": "q", "stocknumber": 2, "numberoforder": 1, "merchandisename": "60\u0622\u0645\u067e\u0631l2\u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f60ah-vl", "issubjecttotax": true, "detailcode": "2000000003", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 7, "merchandisesecondname": "q", "stocknumber": 717, "numberoforder": 1, "merchandisename": "60\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u067e\u06cc\u06a9\u0627\u0646\u06cc \u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f 60ah-vl-fx", "issubjecttotax": true, "detailcode": "2000000004", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 8, "merchandisesecondname": "q", "stocknumber": 1, "numberoforder": 1, "merchandisename": "66\u0622\u0645\u067e\u0631l3\u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f66ah-vl", "issubjecttotax": true, "detailcode": "2000000005", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 9, "merchandisesecondname": "q", "stocknumber": 1, "numberoforder": 1, "merchandisename": "74\u0622\u0645\u067e\u0631l3\u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f74ah-vl", "issubjecttotax": true, "detailcode": "2000000006", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 10, "merchandisesecondname": "q", "stocknumber": 16, "numberoforder": 1, "merchandisename": "90\u0622\u0645\u067e\u0631l1\u0646\u0627\u0646\u0648\u0633\u06cc\u0644\u062f90ah-vl", "issubjecttotax": true, "detailcode": "2000000007", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 11, "merchandisesecondname": "q", "stocknumber": 38, "numberoforder": 1, "merchandisename": "50\u0622\u0645\u067e\u0631\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 50ah-n", "issubjecttotax": true, "detailcode": "2000000008", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 12, "merchandisesecondname": "q", "stocknumber": 1, "numberoforder": 1, "merchandisename": "55\u0622\u0645\u067e\u0631l2\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 55ah-n", "issubjecttotax": true, "detailcode": "2000000009", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 13, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "60\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u067e\u06cc\u06a9\u0627\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 60ah-n", "issubjecttotax": true, "detailcode": "2000000010", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 14, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "66\u0622\u0645\u067e\u0631l3\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 66ah-n", "issubjecttotax": true, "detailcode": "2000000011", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 15, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "70\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u067e\u06cc\u06a9\u0627\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 70ah-n", "issubjecttotax": true, "detailcode": "2000000012", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 16, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "74\u0622\u0645\u067e\u0631l3\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 74ah-n", "issubjecttotax": true, "detailcode": "2000000013", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 17, "merchandisesecondname": "q", "stocknumber": 0, "numberoforder": 1, "merchandisename": "88\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 88ah-n-fx", "issubjecttotax": true, "detailcode": "2000000014", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 18, "merchandisesecondname": "q", "stocknumber": 0, "numberoforder": 1, "merchandisename": "90\u0622\u0645\u067e\u0631l5\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 90ah-n", "issubjecttotax": true, "detailcode": "2000000015", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 19, "merchandisesecondname": "q", "stocknumber": 2, "numberoforder": 1, "merchandisename": "55\u0622\u0645\u067e\u0631l2\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 55ah-n-new", "issubjecttotax": true, "detailcode": "2000000016", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 20, "merchandisesecondname": "q", "stocknumber": 360, "numberoforder": 1, "merchandisename": "60\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u067e\u06cc\u06a9\u0627\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 60ah-n-new", "issubjecttotax": true, "detailcode": "2000000017", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 21, "merchandisesecondname": "q", "stocknumber": 8, "numberoforder": 1, "merchandisename": "66\u0622\u0645\u067e\u0631l3\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 66ah-n-new", "issubjecttotax": true, "detailcode": "2000000018", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 22, "merchandisesecondname": "q", "stocknumber": 0, "numberoforder": 1, "merchandisename": "70\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u067e\u06cc\u06a9\u0627\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 70ah-n-new", "issubjecttotax": true, "detailcode": "2000000019", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 23, "merchandisesecondname": "q", "stocknumber": 82, "numberoforder": 1, "merchandisename": "74\u0622\u0645\u067e\u0631l3\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 74ah-n-new", "issubjecttotax": true, "detailcode": "2000000020", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 24, "merchandisesecondname": "q", "stocknumber": 96, "numberoforder": 1, "merchandisename": "88\u0622\u0645\u067e\u0631\u0628\u0644\u0646\u062f\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 88ah-n-fx-new", "issubjecttotax": true, "detailcode": "2000000021", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 25, "merchandisesecondname": "q", "stocknumber": 1, "numberoforder": 1, "merchandisename": "90\u0622\u0645\u067e\u0631l5\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 90ah-n-new", "issubjecttotax": true, "detailcode": "2000000022", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 26, "merchandisesecondname": "\u0636", "stocknumber": 167, "numberoforder": 1, "merchandisename": "100\u0622\u0645\u067e\u0631\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 100ah-n", "issubjecttotax": true, "detailcode": "2000000023", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 27, "merchandisesecondname": "q", "stocknumber": 249, "numberoforder": 1, "merchandisename": "120\u0622\u0645\u067e\u0631\u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 120ah-n-fx", "issubjecttotax": true, "detailcode": "2000000024", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 28, "merchandisesecondname": "q", "stocknumber": 163, "numberoforder": 1, "merchandisename": "150\u0622\u0645\u067e\u0631\u06a9\u0627\u0645\u06cc\u0648\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 150ah-n", "issubjecttotax": true, "detailcode": "2000000025", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 29, "merchandisesecondname": "\u0636", "stocknumber": 112, "numberoforder": 1, "merchandisename": "170\u0622\u0645\u067e\u0631\u06a9\u0627\u0645\u06cc\u0648\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 170ah-n", "issubjecttotax": true, "detailcode": "2000000026", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 30, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "190\u0622\u0645\u067e\u0631\u06a9\u0627\u0645\u06cc\u0648\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 190ah-n", "issubjecttotax": true, "detailcode": "2000000027", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 31, "merchandisesecondname": "\u0636", "stocknumber": 176, "numberoforder": 1, "merchandisename": "200\u0622\u0645\u067e\u0631\u06a9\u0627\u0645\u06cc\u0648\u0646\u06cc \u063a\u06cc\u0631\u0633\u06cc\u0644\u062f\u0646\u0627\u0646\u0648 200ah-n", "issubjecttotax": true, "detailcode": "2000000028", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 32, "merchandisesecondname": "\u0622\u0628 \u0627\u0633\u06cc\u062f", "stocknumber": 0, "numberoforder": 1111111, "merchandisename": "\u0622\u0628 \u0627\u0633\u06cc\u062f", "issubjecttotax": true, "detailcode": "2000000029", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 33, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "\u0628\u0627\u0637\u0631\u06cc \u0636\u0627\u06cc\u0639\u0627\u062a\u06cc \u0622\u0645\u067e\u0631\u06cc ", "issubjecttotax": false, "detailcode": "2000000030", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": null, "id": 34, "merchandisesecondname": "\u0636", "stocknumber": 0, "numberoforder": 1, "merchandisename": "\u0628\u0627\u0637\u0631\u06cc \u0636\u0627\u06cc\u0639\u0627\u062a\u06cc \u06a9\u06cc\u0644\u0648\u06cc\u06cc ", "issubjecttotax": true, "detailcode": "2000000031", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 35, "merchandisesecondname": "70\u0622\u0645\u067e\u0631\u06f2\u06f4\u0646\u0627\u0646\u0648\u0633\u064a\u0644\u062f", "stocknumber": 61, "numberoforder": 1, "merchandisename": "70\u0622\u0645\u067e\u0631\u06f2\u06f4\u0646\u0627\u0646\u0648\u0633\u064a\u0644\u062f", "issubjecttotax": true, "detailcode": "2000000032", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 36, "merchandisesecondname": "50\u0622\u0645\u067e\u0631\u0633\u06cc\u0644\u062f\u0631\u06cc\u0628\u0627\u0644 ", "stocknumber": 45, "numberoforder": 144, "merchandisename": "50\u0622\u0645\u067e\u0631\u0633\u06cc\u0644\u062f\u0631\u06cc\u0628\u0627\u0644 ", "issubjecttotax": true, "detailcode": "2000000033", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 37, "merchandisesecondname": "55\u0622\u0645\u067e\u0631\u0633\u06cc\u0644\u062f\u0631\u06cc\u0628\u0627\u0644 ", "stocknumber": 44, "numberoforder": 12, "merchandisename": "55\u0622\u0645\u067e\u0631\u0633\u06cc\u0644\u062f\u0631\u06cc\u0628\u0627\u0644 ", "issubjecttotax": true, "detailcode": "2000000034", "evaluationmethod": 2}, {"orderpoint": 1, "merchandisegroupid": 3, "id": 38, "merchandisesecondname": "60\u0622\u0645\u067e\u0631\u06f3\u06f0\u0633\u06cc\u0644\u062f\u0631\u06cc\u0628\u0627\u0644 ", "stocknumber": 0, "numberoforder": 1, "merchandisename": "60\u0622\u0645\u067e\u0631\u06f3\u06f0\u0633\u06cc\u0644\u062f\u0631\u