WebSocket with SSL

Question

Is it possible to have WebSockets with HTTPS   When switching to HTTPS  my WebSocket returns a security error and works perfectly with regular HTTP   Below  a snippet   socket   new WebSocket  ws   my www 1235

User · Answer

1 additional caveat  besides the answer by kanaka peter   if you use WSS  and the server certificate is not acceptable to the browser  you may not get any browser rendered dialog  like it happens for Web pages   This is because WebSockets is treated as a so-called  subresource   and certificate accept   security exception   whatever dialogs are not rendered for subresources

User · Answer

To support the answer by  oberstet  if the cert is not trusted by the browser  for example you get a  quot this site is not secure  do you want to continue  quot   one solution is to open the browser options  navigate to the certificates settings and add the host and post that the websocket server is being served from to the certificate provider as an exception  for example add  example-wss-domain org 6001  as an exception to  Certificate Provider Ltd   In firefox  this can be done from  about preferences  and searching for  Certificates

User · Answer

You can t use WebSockets over HTTPS  but you can use WebSockets over TLS  HTTPS is HTTP over TLS   Just use  wss     in the URI   I believe recent version of Firefox won t let you use non-TLS WebSockets from an HTTPS page  but the reverse shouldn t be a problem

User · Answer

The WebSocket connection starts its life with an HTTP or HTTPS handshake  When the page is accessed through HTTP  you can use WS or WSS  WebSocket secure  WS over TLS    However  when your page is loaded through HTTPS  you can only use WSS - browsers don t allow to  downgrade  security

[ssl] WebSocket with SSL

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