Activity for jjmmhttps://forge.codesys.com/u/jjmm/activity/2021-05-12T13:56:59.052000ZRecent activity for jjmmjjmm posted a comment on discussion Engineering 🇬🇧2021-05-12T13:56:59.052000Z2021-05-12T13:56:59.052000Zjjmmhttps://forge.codesys.com/u/jjmm/profile/https://forge.codesys.com/forge/talk/Engineering/thread/5c013b9bfe/?limit=25#2267Thanks Ian, got it working now. The issue appeared to be the initialisation of both the TLSContext and the TCP_Client. It turns out this has to be done either during declaration/instantiation of context and FB or by using the SetInitialValue method. This is undocumented as far as I can see. Here some results from a test with test.mosquitto.org on port 8883. On declaration/instantiation (just setting what you need): TLSContext : NBS.TLSContext := (sUseCaseName := 'example', ePurpose := NBS.PURPOSE.CLIENT_SIDE);...jjmm posted a comment on discussion Engineering 🇬🇧2021-05-05T21:37:40.246000Z2021-05-05T21:37:40.246000Zjjmmhttps://forge.codesys.com/u/jjmm/profile/https://forge.codesys.com/forge/talk/Engineering/thread/5c013b9bfe/?limit=25#00abHi, same here. No client hello started. Already found a solution?