Common Issues of ERR_SSL_PROTOCOL_ERROR
The “ERR_SSL_PROTOCOL_ERROR” occurs when there’s a problem with the secure connection between website & browser. Here are some main reasons why this error occurs.
Expired SSL (Secure Socket Layer) Certificate
Sometime err_ssl_protocol_error occurs when website SSL (Secure Socket Layer) Expired. it is not a user end issue its server end error. ssl provides extra layer of data transmission security. some time web browsers prevent users from using unsecure ssl websites.
Incorrect System Date and Time
user system date and time must be accurate to the internet to validate the ssl certificate correctly. if users system date and time is not correct ‘err_ssl_protocol_error occurs.
Misconfigured SSL/TLS Settings
some time misconfiguration of SSL (Secure Socket Layer) Certificate or TLS (Transport Layer Security) ‘err_ssl_protocol_error occurs when trying to establish secure connection.
Firewall or Antivirus Interference
some time firewall or antivirus blocks upcoming unsecure/expired ssl connections
Browser Cache and Cookies
Due to outdated data stored in user browser. clearing browser cache & cookies can resolve ‘err_ssl_protocol_error’
Browser Extensions
Some Browser extensions interfere with SSL (Secure Socket Layer) by disabling extension can resolve ‘err_ssl_protocol_erro’
Unstable Internet/Network
some time ‘err_ssl_protocol’ error occurs due to unstable internet.
