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Can Zilla's SSE or Websocket products be used without opening any port - other than the HTTPS port 443 - on our firewall so that systems outside our firewall can receive secure streaming data from our Kafka installation? |
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Answered by
jfallows
Apr 18, 2024
Replies: 1 comment
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Yes, both encrypted https://html.spec.whatwg.org/multipage/server-sent-events.html#server-sent-events |
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Answer selected by
vordimous
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Yes, both encrypted
Server-Sent Eventsand encryptedWebSocketsstart out as anhttpsrequest in port443, so no other open ports are necessary.https://html.spec.whatwg.org/multipage/server-sent-events.html#server-sent-events
https://datatracker.ietf.org/doc/html/rfc6455#section-1.3