SSL client problem

Question

Hallo! I have a problem with wizfi250 client ssl connection. After issuing SCON command im getting disconnected after ~3 sec. Log: at+fdns=google.com,1000 173.194.32.160 [OK] AT+SCON=O,TCS,173.194.32.160,443,0,1 [OK] SocketOpenProcess : connect error 173.194.32.160, 30002 [DISCONNECT 0] Is it problem with certificates? wizfi certificate expiration (which read by AT+MCERT=R,C) is 20/05/15. Another thought: output from AT+MCERT=R,K ← Read Key and AT+MCERT=R,R ← Read Root CA is identical Can you help me?

wizdaniel · Answer

Hi, To disconnect after 3sec issue is the right process. Because google server cuts the client when specific data was not arrived. SCON command can access the google(SSL handshake). After the SSL handshake, You have to send the correct data to the server.

joker2k · Answer

Then why there is no [CONNECT x] reply? How should i determine if connection actually happened?

wizdaniel · Answer

Hi, I think it is because an un-matched parameter. You typed SCON command like below. AT+SCON=O,TCS,173.194.32.160,443,0,1 An IP address address is normal (not ssl) addressed. Parameters (TCS, 443) are options for ssl. For example, Typing " 173.194.32.160:443 " into a web browser You can find the message “Empty response” But, typing " 173.194.32.160:80 " into a web browser You can find google main page.