What do you mean by TCP connections, exactly, how does your use-case look like?
WebSockets are supported now by App Engine Flex, you may check the "Introducing WebSockets support for App Engine Flexible Environment" page <https://cloud.google.com/blog/products/application-development/introducing-websockets-support-for-app-engine-flexible-environment> . Relevant examples are to be found on the Internet, for instance in a reply to the "How do I deploy socket.io to Google App Engine?" question <https://stackoverflow.com/questions/37401250/how-do-i-deploy-socket-io-to-google-app-engine> in stackoverflow. Basically, you need to edit your app.yaml configuration file and set: *network:* * session_affinity: true* On Friday, 16 October 2020 at 09:46:33 UTC-4 jlin...@gmail.com wrote: > > Does the current GAE flex environment support TCP connection to an > external server like SMTP , LDAP server ? > > If it is not available in GAE flex env., what are the other > options(choices) ? > > > thank u > > Jerry > > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/d597bcf4-a827-4483-a9bb-0d4f1b7a9c39n%40googlegroups.com.
