How do I use proxy settings for zscalar in C#? My program is as follows:

vivek.arkalgud
vivek.arkalgud Newcomer
in DSS

My program is as follows:

var ExtractionsContext = new ExtractionsContext(new Uri("https://hosted.datascopeapi.reuters.com/RestApi/v1/"), "[username]", "[password]");
var proxy = new WebProxy("http://Zscaler-lb.apac.zzzz.corp:80", true);
ExtractionsContext.Options.UseProxy = true;
ExtractionsContext.Options.Proxy = proxy;
var availableFields = ExtractionsContext.GetValidContentFieldTypes(ReportTemplateTypes.TickHistoryTimeAndSales);

However when I run the program, I am getting the following error:

An exception of type 'ThomsonReuters.Dss.Api.InvalidResponseException' occurred in mscorlib.dll but was not handled in user code
Additional information: Invalid response, could not parse the following response: 
<!--samlchecks_get.html --><!DOCTYPE html><html><head><title>Welcome To Zscaler Directory Authentication</title><meta name="viewport" content="width=device-width, initial-scale=1"><style type="text/css">body { background-color: #FFF; font-family: Arial, sans-serif; font-size: 12px; text-align: center; color: #4B4F54; overflow: hidden; margin: 0;}a { color: #009dd0; cursor: pointer; text-decoration: none;}form { width: 100%; height: 100%; margin: 0; padding: 0;}input { font-family: Arial; font-size: 100%; margin: 0; width: 100%; vertical-align: top; color: #424242; display: inline-block; border: none; padding: 0; text-align: left; height: 100%; width: calc(100% -35px);}table { margin-top: 10px; text-align: center; background-color: white;}table.table-company-logo { background-color: #e3e3e3;}table.table-upper { border-radius: 10px;}table.table-lower { border-bottom-left-radius: 10px; border-bottom-right-radius: 10px; background-color: #f3f3f3;}table.table-field-label { margin-bottom: 2px;}table.table-field-input div.input-wrapper { display: block; border-color: #2a2c30;; width: inherit; padding-left: 10px;}table.table-field-input .input-wrapper.disabled { border-color: #cfd0d1;}table.zsc-company { border-bottom-left-radius: 10px; border-bottom-right-radius: 10px; background-color: #f3f3f3;}table.zsc-company td { border-bottom-left-radius: 10px; border-bottom-right-radius: 10px; font-size: 11px; color: #939393;}.table-half-column-fixed { width: 356px;}table + table, td table { margin-top: 0;}td.td-field-label { font-size: 16px; color: black;}td.td-field-act { font-size: 13px; color: #009dd0;}td.td-field-act img { vertical-align: middle;}img { max-height: 80px; max-width: 430px;}img.act-icon { padding-right:3px;}.or { background: #ff9500;}.gr { background: #e3e3e3;}.gy { background: #939597;}.yl { background: #ffc800;}.red { background: #c20000;}.pg { position: absolute; top: 0; bottom: 0; left: 0; right: 0; white-space: nowrap; height: 100%; overflow: auto;}.pg:before { content: ""; display: inline-block; height: 100%; vertical-align: middle;}.pg_cont { display: inline-block; vertical-align: middle; width: 100%;}.m_tbl { width: 90%; min-width: 600px; max-width: 758px; max-height: 258px; background: #FFF; white-space: normal; border: 3px solid #399c1d; border-radius: 10px;}.m_tbl.tbl_error { border-color: #77797c;}.eu_h.tbl_error { color: #77797c;}.eu_h { vertical-align: middle; font-weight: bold; border-radius: 10px; font-size: 24px; color: #399c1d; font-weight: normal; padding: 20px 20px 0 20px;}.sm { font-size: 20px; color: #696A6D; font-weight: normal;}.eu_co { font-size: 14px; color: #696A6D; white-space: normal; padding: 0 20px;}.eu_co.bsubmit { padding: 0 20px 20px 20px;}.eu_l { width: 500px; overflow: hidden; text-overflow: ellipsis; margin: 0 auto; line-height: normal;}.eu_l a { color: #0069AA; word-break: break-word;}.bh { min-height: 40px; display: block; max-height: 80px; color: #0076A9; font-size: 32px; overflow: hidden; padding-bottom: 15px;}.btn { background: #009dd0; color: #FFFFFF; border-radius: 5px; border: 2px solid #009dd0; cursor: pointer; display: inline-block; height: 30px; margin: 15px 0 15px; font-size: 18px; line-height: 26px; width: auto; padding: 0 20px;}.btn:focus, input:focus { outline: none;}.btn:hover { background: #fff; color: #0076A9;}.fo { height: 40px; line-height: 40px; font-size: 11px; padding-bottom: 0px; background-color: #f3f3f3; width: 100%; border-bottom-left-radius: 7px; border-bottom-right-radius: 7px; padding-left: 25px;}.ln { font-size: 13px; padding: 0 0 35px; font-style: italic;}.pb20 { padding-bottom: 20px;}.pb35 { padding-bottom: 35px;}.eu_co.st { font-size: 12px; padding: 10px 0; line-height: 20px; position: relative;}.ie-label { display: none;}.w-sp { -webkit-animation: spinner .8s linear infinite; animation: spinner .8s linear infinite; border: 2.5px solid #c6c6c6; border-radius: 100%; display: inline-block; height: 13px; position: relative; width: 13px; vertical-align: middle; top: -2px; margin-right: 6px;}.w-sp.grn { border-top-color: #399c1d;}.w-sp.gry { border-top-color: #77797c;}@-webkit-keyframes spinner { to { -webkit-transform: rotate(360deg);}}@keyframes spinner { to { transform: rotate(360deg); }}.not { color: #fd4239; font-size: 16px; padding-left: 0; padding-top: 0;}.demo-icon { color: green;}.s_img { vertical-align: bottom; padding-right: 5px; background: url("data:image/png;base64,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") no-repeat; width: 55px; height: 17px; display: inline-block;}.f_btn + .f_btn { margin-left: 5px;}.f_btn { display: inline-block;}.arrow-box { padding: 15px; position: absolute; background: white; text-align: left; line-height: 16px; width: 295px; top: -40px; display: none; z-index: 10; border: 1px solid #c2a200; border-radius: 5px; padding: 15px; color: #c2a200; font-size: 13px;}.arrow-box li { list-style-type: none; color: #2a2c30;}.arrow-box-left { top: -10px; left: -335px;}.arrow-box-left:after, .arrow-box-left:before { left: 100%; top: 53px; border: solid transparent; content: " "; height: 0; width: 0; position: absolute;}.arrow-box-left:after { border-color: transparent; border-left-color: #FFFFFF; border-width: 5px; margin-top: -34px;}.arrow-box-left:before { border-color: transparent; border-left-color: #c2a200; border-width: 6px; margin-top: -35px;}.arrow-box-right { right: -335px; top: -20px;}.arrow-box-right:after, .arrow-box-right:before { right: 100%; top: 53px; border: solid transparent; content: " "; height: 0; width: 0; position: absolute; pointer-events: none;}.arrow-box-right:after { border-color: transparent; border-right-color: #FFFFFF; border-width: 5px; margin-top: -24px;}.arrow-box-right:before { border-color: transparent; border-right-color: #c2a200; border-width: 6px; margin-top: -25px;}.input-wrapper { height: 30px; line-height: 30px; margin-bottom: 10px; border: 1px solid #b0b0b0; position: relative; display: block; width: inherit; padding-left: 10px;}.input-wrapper div.input-wrapper-div-text { text-align: left; color: #b0b0b0; max-width: 334px; overflow: hidden; text-overflow: ellipsis;}.input-image { width: 17px; display: inline-block; vertical-align: middle; height: auto; float: left; position: absolute; top: 5px; width: 20px; height: 20px; left: 7px;}.input-wrapper.dotted-border { border: none; border-bottom: 1px dotted #77797C;}.error-content { overflow-y: auto; height: auto;}.error-content li { list-style-type: none;}.text-label-link { height: 32px; line-height: 32px; margin-bottom: 10px; text-align: left; padding-left: 10px; position: absolute; top: 0px; right: -100px;}.text-label-link.pwd { right: -140px;}.text-label-link:before { content: "<<"; letter-spacing: -0.15em; padding-right: 2px; font-size: 8px; line-height: 11px; color: #3892B8; vertical-align: middle;}.username { width: calc(100% -35px); display: inline-block; vertical-align: top; color: #424242; position: relative; overflow: hidden;}.button-link { width: auto; height: auto; background: none; color: #0076A9; text-decoration: underline; cursor: pointer; vertical-align: middle;}.hide { display: none;}.err-tri { width: 0; height: 0; border-top: 15px solid transparent; border-bottom: 15px solid transparent; position: absolute; top: 40px;}.err-tri-to-left { border-right: 15px solid #FF9130; left: -15px;}.err-tri-to-right { border-left: 15px solid #FF9130; right: -15px;}.err-tri-new { display: none; -ms-transform: rotate(45deg); -webkit-transform: rotate(45deg); transform: rotate(45deg); width: 16px; height: 16px; /*right: -9px; top: 47px;*/ right: -14px; top: 6px; position: absolute; border: 1px solid #c2a200;}.username_placeholder { font: 14px/normal sans-serif; left: 7px; top: 8px; width: 332px; height: 20px; position: absolute; overflow-x: hidden; font-size-adjust: none; font-stretch: normal; text-align: left; color: #939393;}.username_input { position: relative; top: 6px; height: 20px; left: -27px; z-index:15;}input.username_input { width: 295px;}.table-left-column, .table-right-column { width: 50%; display: inline-block;}.table-left-column table { padding-right: 10px;}.table-right-column table { padding-left: 10px;}.separator { height: 14px; margin-left: 8px; margin-right: 8px; border-left: 1px #cfd0d1 solid;}hr { background-color: #cfd0d1; margin-top: 16px; margin-bottom: 16px;}.eu_sh { font-size: 16px; color: #929496; vertical-align: middle; padding: 10px 20px 0 23px;}.eu_h_t { padding-left: 23px; font-size: 16px; color: #2a2c30;}.eu_h_t span { color: #009dd0;}.eu_co_aup_txt { font-size: 13px; color: #2a2c30; padding: 0 20px 0 23px;}.eu_co_aup_txt div { max-width:715px; word-wrap: break-word; overflow-x: hidden;}.eu_h_t_sub { font-size: 16px; color: #77797c; padding: 0 0 0 23px; display: inline-block; padding-bottom: 15px; margin-right: -15px;}.eu_h_t_sub_a { padding-left: 0; padding-bottom: 15px; display: inline-block; text-align: left;}.eu_h_t_sub_a a { font-size: 16px; color: #009dd0; padding: 0 0 0 23px; width: 215px;}.otp { background-color: white; padding-left: 0; padding-top: 16px; font-size:11px;}@media only screen and (max-width:640px) { .eu_l { width: 250px; } .input-wrapper { width: 100%; } .arrow-box { background: #FFFFFF; border: 1px solid #c2a200; width: 524px; } .arrow-box-right { top: -140px; left: -1px; } .arrow-box-left { top: -80px; left: -3px; } .arrow-box-left:after, .arrow-box-left:before, .arrow-box-right:after, .arrow-box-right:before { top: 117%; left: 48%; border: solid transparent; content: " "; height: 0; width: 0; position: absolute; } .arrow-box-right:after { border-color: transparent; border-top-color: #FFFFFF; border-width: 15px; margin-left: -15px; margin-top: -20px; } .arrow-box-right:before { border-color: transparent; border-top-color: #c2a200; border-width: 16px; margin-left: -16px; margin-top: -20px; } .arrow-box-left:after { border-color: transparent; border-top-color: #FFFFFF; border-width: 15px; margin-left: -15px; margin-top: -9px; } .arrow-box-left:before { border-color: transparent; border-top-color: #c2a200; border-width: 16px; margin-left: -16px; margin-top: -9px; } .text-label-link, .text-label-link.pwd { right: 0; top: 25px; } .table-left-column, .table-right-column { width: 100%; display: block; } .table-left-column table, .table-right-column table { padding-left: 0; padding-right: 0; } .eu_co_aup_txt div { white-space: normal; word-wrap: break-word;}}@media only screen and (max-width: 480px) { .table-half-column-fixed { width: inherit; } input.username_input { left: -2px; width: 100%; } .eu_co_aup_txt div { white-space: normal; word-wrap: break-word; } .m_tbl { min-width: 300px; } .pg_cont { position: relative; left: -3px; } .fo { text-align: center; }}</style></head><body><div><div><table width="100%" cellspacing="0" cellpadding="0"><tr><td><img id="cmpy_info" src="https://login.zscloud.net:443/smsamlq" id="uform"><input type="hidden" name="urlosfc" size="25" value="origurl=https:%2F%2Fhosted.datascopeapi.reuters.com%2fRestApi%2fv1%2fAuthentication%2fRequestToken&wexps=1&_ordtok=rHZ3WV560rHHN3t3BZMT5FtrRV&wexps=1"><input type="hidden" name="urlodmn" size="25" value="https:%2F%2Fhosted.datascopeapi.reuters.com%2fRestApi%2fv1%2fAuthentication%2fRequestToken"><input type="hidden" name="saml_id" size="25" value="FQZPZVLH3S4kr"><input type="hidden" name="jscript" size="4" value="0set"><table width="100%" border="0" cellspacing="0" cellpadding="0"><tbody><tr><td align="left" style="padding-bottom:15px; padding-top:15px;">Please wait a moment while we launch our security service.</td></tr></tbody></table></form></div></td></tr></tbody></table></div></div><script type="text/javascript">if (document.forms && document.forms[0] && document.forms[0].jscript) {document.forms[0].jscript.value = "1set";}document.forms[0].submit();</script></body></html>, ErrorId=entity-parse-error, StatusCode=500, Context=NullObjectSpace, Method=RequestToken occurred

--------------------

However I can access

https://hosted.datascopeapi.reuters.com/RestApi/v1/

Any help is appreciated.

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Best Answer

  • veerapath.rungruengrayubkul
    veerapath.rungruengrayubkul LSEG
    Answer ✓

    Hi @vivek.arkalgud,

    From the error provided, it seems that DataScope Select .NET SDK received a "Welcome To Zscaler Directory Authentication" page from Zscaler as a response instead. So the SDK cannot handle the response and log the error.

    Please contact Zscaler support or network administrator who manages Zscaler in your environment to investigate this issue further. Also, does Zscaler require any credential for access?

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