Chilkat2-Python

Connect to FTP Through an HTTP Proxy

Demonstrates connecting through an HTTP proxy using HttpProxyHostname, HttpProxyPort, HttpProxyUsername, HttpProxyPassword, HttpProxyAuthMethod, and HttpProxyDomain.

Background: Many corporate networks force outbound traffic through an HTTP proxy, which reaches the FTP control connection via the CONNECT method — so the proxy must permit CONNECT to the FTP port. HttpProxyAuthMethod is Basic or NTLM, with HttpProxyDomain supplying the Windows domain for NTLM. This is distinct from a traditional FTP proxy, which speaks FTP itself.

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import sys
import chilkat2

success = False

ftp = chilkat2.Ftp2()

ftp.Hostname = "ftp.example.com"
ftp.Username = "myFtpLogin"

# The HTTP proxy through which the FTP control connection is made.  Common ports are 8080 and
# 3128.
ftp.HttpProxyHostname = "proxy.example.com"
ftp.HttpProxyPort = 8080

# Proxy authentication, if required.  HttpProxyAuthMethod is "Basic" or "NTLM"; HttpProxyDomain
# is the Windows domain used for NTLM.
ftp.HttpProxyUsername = "myProxyLogin"
ftp.HttpProxyPassword = "myProxyPassword"
ftp.HttpProxyAuthMethod = "NTLM"
ftp.HttpProxyDomain = "CORP"

# Normally you would not hard-code the password in source.  You should instead obtain it
# from an interactive prompt, environment variable, or a secrets vault.
ftp.Password = "myPassword"

success = ftp.Connect()
if (success == False):
    print(ftp.LastErrorText)
    sys.exit()

print("Connected through the HTTP proxy.")

success = ftp.Disconnect()
if (success == False):
    print(ftp.LastErrorText)
    sys.exit()