Issue #154943 | webcompat.com

URL: https://login.xfinity.com/login?c_ds_na=c_ds_na%2Cc_ds_no%2Cc_ds_ts%2Cclient_id%2Ccontinue%2Cr%2CreqId%2Cs&c_ds_no=FA3C6019CB44689F63EF13748AD7969C&c_ds_ts=1746289881&c_ds_val=3FCF5486E2E30531776B8CBE06E130161CF672336EE3CD835FD55A4340D137D6&client_id=xfinityconnectlive&continue=https%3A%2F%2Foauth.xfinity.com%2F%2Foauth%2Fauthorize%3Fresponse_type%3Dtoken%26client_id%3Dxfinityconnectlive%26redirect_uri%3Dhttps%3A%2F%2Fconnect.xfinity.com%2Fvoice%2Fvoicemail%26response%3D1%26reqId%3Ddfda2050-394b-4bff-a6bf-4bb4ef1ac63f&r=comcast.net&reqId=dfda2050-394b-4bff-a6bf-4bb4ef1ac63f&s=oauth

Browser / Version: Firefox 138.0
Operating System: Windows 10
Tested Another Browser: Yes Chrome

Problem type: Something else
Description: cookie too large
Steps to Reproduce:
get error

400 Bad Request
Request Header Or Cookie Too Large

View the screenshot

Screenshot

Browser Configuration

gfx.webrender.software: false
blockList: basic
channel: release
defaultUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
hasTouchScreen: false
frameworks: {'fastclick': False, 'mobify': False, 'marfeel': False}
mixed active content blocked: false
mixed passive content blocked: false
tracking content blocked: false
btp has purged site: false

View console log messages

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