我目前正在使用带有VB6的Chilkat HTTP ActiveX控件(版本9.3.2.0(…我下载文件的服务器之一正在切换到https，但我无法使其工作。。。使用http可以很好地工作，但当我将URL更改为https时，它会返回0。
以下是Http的结果。LastErrorText:
ChilkatLog:
Download:
DllDate: Aug 5 2012
UnlockPrefix: **********
Username: BILL-DESKTOP:Bill
Architecture: Little Endian; 32-bit
Language: ActiveX
VerboseLogging: 0
backgroundThread: 0
url: https://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p25.pl?file=gfs.t12z.pgrb2.0p25.f000&lev_10_m_above_ground=on&lev_2_m_above_ground=on&lev_entire_atmosphere=on&lev_entire_atmosphere_%5C%28considered_as_a_single_layer%5C%29=on&lev_mean_sea_level=on&lev_surface=on&var_APCP=on&var_PRMSL=on&var_TCDC=on&var_TMP=on&var_UGRD=on&var_VGRD=on&leftlon=0&rightlon=360&toplat=90&bottomlat=-90&dir=%2Fgfs.2018120712
toLocalPath: C:Progra~1PCGrADSgfsgribgfs_pgrbf_000.grib2
localFileAlreadyExists: 0
QuickGetToOutput_Download:
qGet_1:
simpleHttpRequest_3:
httpMethod: GET
requestUrl: https://nomads.ncep.noaa.gov/cgi-bin/filter_gfs_0p25.pl?file=gfs.t12z.pgrb2.0p25.f000&lev_10_m_above_ground=on&lev_2_m_above_ground=on&lev_entire_atmosphere=on&lev_entire_atmosphere_%5C%28considered_as_a_single_layer%5C%29=on&lev_mean_sea_level=on&lev_surface=on&var_APCP=on&var_PRMSL=on&var_TCDC=on&var_TMP=on&var_UGRD=on&var_VGRD=on&leftlon=0&rightlon=360&toplat=90&bottomlat=-90&dir=%2Fgfs.2018120712
Connecting to web server...
httpServer: nomads.ncep.noaa.gov
port: 443
Using HTTPS.
ConnectTimeoutMs_1: 10000
calling ConnectSocket2
IPV6 enabled connect with NO heartbeat.
connectingTo: nomads.ncep.noaa.gov
dnsCacheLookup: nomads.ncep.noaa.gov
Resolving domain name (IPV4)
GetHostByNameHB_ipv4: Elapsed time: 140 millisec
myIP_1: 192.168.1.38
myPort_1: 55564
connect successful (1)
clientHelloMajorMinorVersion: 3.1
buildClientHello:
majorVersion: 3
minorVersion: 1
numRandomBytes: 32
sessionIdSize: 0
numCipherSuites: 10
numCompressionMethods: 1
--buildClientHello
TlsAlert:
level: fatal
descrip: handshake failure
--TlsAlert
Closing connection in response to fatal error.
Failed to read incoming handshake messages. (1)
Client handshake failed. (3)
Failed to connect to HTTP server.
connectElapsedMs: 640
--simpleHttpRequest_3
--qGet_1
--QuickGetToOutput_Download
bFileDeleted: 1
totalElapsedMs: 672
ContentLength: 0
Failed.
--Download
--ChilkatLog
我做错了什么？
问候，
票据
您使用的是2012年的旧版本，该版本尚未实现TLS 1.2。Chilkat已经添加了对TLS 1.2的支持(多年了(，最新版本应该可以正常工作。