Request 1:
POST /cgi-bin/luci/;stok=/login?form=auth HTTP/1.1
Host: 192.168.0.1
Content-Length: 14
Accept: application/json, text/javascript, */*; q=0.01
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/76.0.3809.100 Chrome/76.0.3809.100 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: http://192.168.0.1
Referer: http://192.168.0.1/webpages/login.html?t=1564127413977
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9,vi-VN;q=0.8,vi;q=0.7
Cookie: sysauth=9469f671c257a34d5d585d10ab361607
Connection: close

operation=read

Response 1 :
HTTP/1.1 200 OK
Connection: close
Content-Type: application/json
Cache-Control: no-cache
Expires: 0

{"success":true,"data":{"key":["F7B29844890232B962A076D9EF2280078FEFBD4EE16823A0728F95F96FA3A4FB77BC20EBBC3C13BEBAEB8926261E887274CA37AF38F0A44008BC9D96E6F09E8B","010001"],"seq":371481895}}

Request 2 :
POST /cgi-bin/luci/;stok=/login?form=login HTTP/1.1
Host: 192.168.0.1
Content-Length: 671
Accept: application/json, text/javascript, */*; q=0.01
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/76.0.3809.100 Chrome/76.0.3809.100 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Origin: http://192.168.0.1
Referer: http://192.168.0.1/webpages/login.html?t=1564127413977
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9,vi-VN;q=0.8,vi;q=0.7
Cookie: sysauth=9469f671c257a34d5d585d10ab361607
Connection: close

sign=1a33d1f69042af41df6ccf626f2b6773c50f50338a605037d56e00e33d7d24566a6f07f661ed5adbfcdcc439fdf256b389f76107e327b61e7325483faacb03eb29e17f6f676142d354c98ea90f4d813dab32221bd9c3b91b204bd5082671149c3e16b9f085f9094cc355dbc84a7f3f07cfe76f9f99445fc4409a4214d8f78271&data=xmIR99VsP%2BqLRUrvxYLovY7je2UXAdS7JV0pRbjyT7RUP%2FMYUl11o3ipnVm7wGjHptTMmPfu9lIgBXIo%2BG5aG%2FjJGCGiwaO77IAXvbONC6wplH6WRjTh%2BbphdypOInNuvFRttgDorjE8iLoxtFbeuyOKsngKArtsaPN8BR6mhlKH7eKaqhOpxtUjexBcwnYwfLTk28BAd4tDzlcj0F%2F1mm9J%2B1eXAA9bomkMcsYdj%2BfSJPPdd8WFz2KJswSAAD1Rs9jpy2hFg5cGjFbSisWAmsOacxnxYm%2FSzOZan2uFh4BEQzis1PYXcYvLtvAe4dkjjPo%2FWeQqVWjBjrmQL1nJ1v3SKrYFUkNOr86AO2us4vxjnQfmlx13hASF2oTxmQew

Response 2 :
HTTP/1.1 200 OK
Connection: close
Set-Cookie: sysauth=bb28ac27e990d65a863cabdf5ad934f8;path=/cgi-bin/luci
Content-Type: application/json
Cache-Control: no-cache
Expires: 0

{"data":"uEzz8ikP1M7ZdueDz4dBKnmZ8vMEU6muuKTXxsCGw1xPdNE38Se6JdqfN46j5BNio9Gso30WBhf7sk3MQcQ8DceZEi6lIept2o6JdaYFjvU="}