Here are the cookies you're using through CGIProxy:

Delete this cookie?	For server names ending in:	... and a path starting with:	Secure?	Cookie name	Value
	.packtpub.com	/	Yes	XSRF-TOKEN	eyJpdiI6IjNHK0lvb2ZjNUNRMUdDWnFUT1BybGc9PSIsInZhbHVlIjoiTzhiK2p4L0tyd3llYXpmbnNnYkVVbTB2TWlvV1ZFTWxkOUkxblYrdklJSUl1Zjc4TFdiY1hCd1NOd1BuSTR1UEp1NGVZbUZWc2c2eDlvaklTTFZxOVdpR3RvME9hOExFV2NDSWhZckczUlhYT0Izd3I3Ynl5c2RHQ04wQkdHWUIiLCJtYWMiOiIwYjU0ZDc5MTI2NGE4NWZmNzA3YTk4ZGYzOTY5ZGEyZDFhMjFhMzlhMmE2YjcxMTczZTgxNjU5ZTQ4MWJlYTU4IiwidGFnIjoiIn0%3D
	.packtpub.com	/	No	packt_cart	oaEqcmW3PwBH3sdUvFS1CYEqwfap86j5
	.packtpub.com	/	Yes	packt_locale	en-us
	.packtpub.com	/	No	packt_session	yv9onjd99iN1MCxVfqsvUa9vMBXIJYDUfpgqDIwE

Authentication cookies: