This article explains why an user may not be able to connect to Juniper Secure Connect due to https timeout errors.
Feb 21 21:43:37 21:43:37.584641:CID-0:RT: plugin junos-remote-access-gw(42) aborted sess creation. rc 6
Feb 21 21:43:37 21:43:37.584641:CID-0:RT: packet dropped, plugin interest check failed
Feb 21 21:43:37 21:43:37.584641:CID-0:RT:flow_initiate_first_path: first pak no session
Feb 21 21:43:37 21:43:37.584641:CID-0:RT: flow find session returns error.
Feb 21 21:43:37 21:43:37.585139:CID-0:RT:flow_proc_rc: -1.
Feb 21 21:43:37 21:43:37.585139:CID-0:RT: ---- flow_process_pkt rc 0x7 (fp rc -1)
Please refer to PR1571326