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Perl

Revert a TLS Connection to Plain TCP

See more Socket/SSL/TLS Examples

Demonstrates Socket.ConvertFromSsl, which ends the TLS layer while leaving the underlying TCP connection open for subsequent unencrypted communication.

Background. This is the reverse of a STARTTLS-style upgrade and is valid only while TLS is currently active on the connection.

Chilkat Perl Downloads

Chilkat2 Perl
use strict;
use warnings;
use Chilkat2;

my $socket = Chilkat2::Socket->new;

# Connect to the server using TLS.
my $bTls = 1;
my $maxWaitMs = 5000;
my $success = $socket->Connect('example.com', 5000, $bTls, $maxWaitMs);
if (!$success) {
    print $socket->LastErrorText, "\n";
    exit;
}

# End the TLS layer while keeping the underlying TCP connection open for subsequent unencrypted
# communication.  This is the reverse of a STARTTLS-style upgrade and is valid only while TLS is
# active.
$success = $socket->ConvertFromSsl();
if (!$success) {
    print $socket->LastErrorText, "\n";
    exit;
}

print "Reverted to a plain TCP connection.\n";