Unable to access some web sites protected by cloudflare

Hi ,
A already made some test with a customer, and captured some info with curl:
Faulty access:
C:\Users\Teruca>curl -v https://www.bci.cl

  • Rebuilt URL to: https://www.bci.cl/
  • Trying 104.16.13.14…
  • TCP_NODELAY set
  • Connected to www.bci.cl (104.16.13.14) port 443 (#0)
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 1/3)
  • schannel: checking server certificate revocation
  • schannel: sending initial handshake data: sending 175 bytes…
  • schannel: sent initial handshake data: sent 175 bytes
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 2/3)
  • schannel: failed to receive handshake, need more data
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 2/3)
  • schannel: failed to receive handshake, SSL/TLS connection failed
  • Closing connection 0
  • schannel: shutting down SSL/TLS connection with www.bci.cl port 443
  • Send failure: Connection was reset
  • schannel: failed to send close msg: Failed sending data to the peer (bytes written: -1)
  • schannel: clear security context handle
    curl: (35) schannel: failed to receive handshake, SSL/TLS connection failed

C:\Users\Teruca>


From my PC is OK:
C:\Users\Optic CX>curl -v https://www.bci.cl

  • Rebuilt URL to: https://www.bci.cl/
  • Trying 104.16.13.14…
  • TCP_NODELAY set
  • Connected to www.bci.cl (104.16.13.14) port 443 (#0)
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 1/3)
  • schannel: checking server certificate revocation
  • schannel: sending initial handshake data: sending 175 bytes…
  • schannel: sent initial handshake data: sent 175 bytes
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 2/3)
  • schannel: failed to receive handshake, need more data
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 2/3)
  • schannel: encrypted data got 3257
  • schannel: encrypted data buffer: offset 3257 length 4096
  • schannel: sending next handshake data: sending 93 bytes…
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 2/3)
  • schannel: encrypted data got 258
  • schannel: encrypted data buffer: offset 258 length 4096
  • schannel: SSL/TLS handshake complete
  • schannel: SSL/TLS connection with www.bci.cl port 443 (step 3/3)
  • schannel: stored credential handle in session cache

GET / HTTP/1.1
Host: www.bci.cl
User-Agent: curl/7.55.1
Accept: /

  • schannel: client wants to read 102400 bytes
  • schannel: encdata_buffer resized 103424
  • schannel: encrypted data buffer: offset 0 length 103424
  • schannel: encrypted data got 1965
  • schannel: encrypted data buffer: offset 1965 length 103424
  • schannel: decrypted data length: 1369
  • schannel: decrypted data added: 1369
  • schannel: decrypted data cached: offset 1369 length 102400
  • schannel: encrypted data length: 567
  • schannel: encrypted data cached: offset 567 length 103424
  • schannel: decrypted data length: 504
  • schannel: decrypted data added: 504
  • schannel: decrypted data cached: offset 1873 length 102400
  • schannel: encrypted data length: 34
  • schannel: encrypted data cached: offset 34 length 103424
  • schannel: decrypted data length: 5
  • schannel: decrypted data added: 5
  • schannel: decrypted data cached: offset 1878 length 102400
  • schannel: encrypted data buffer: offset 0 length 103424
  • schannel: decrypted data buffer: offset 1878 length 102400
  • schannel: schannel_recv cleanup
  • schannel: decrypted data returned 1878
  • schannel: decrypted data buffer: offset 0 length 102400
    < HTTP/1.1 200 OK