POST /TAC3_1/Account/LogOn HTTP/1.1
Host: esp31.spihost.net
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://esp31.spihost.net/TAC3_1/Account/LogOn
Content-Type: application/x-www-form-urlencoded
Content-Length: 35
Cookie: BlueStripe.PVN=288c000001b2; SPS_SaaS_LB=3654682792.1.220958944.1684905952; ASP.NET_SessionId=fxnr5hpxkbhwi4a1ldm4nl4v
Connection: close
Upgrade-Insecure-Requests: 1

UserName=popet&Password=1&btnLogin=