Month: May 2016

iPerf for ESXi 4.1-5.5

Posted on by Andy

iPerf is a tool for active measurements of the maximum achievable bandwidth on IP networks. It supports tuning of various parameters related to timing, buffers and protocols (TCP, UDP, SCTP with IPv4 and IPv6). For each test it reports the bandwidth, loss, and other parameters. It exists for multiple platforms, but not officially for VMware ESXi. Apparently a binary compiled for RHEL5 can still be run on any ESXi host from 4.1 to 5.5. Download and extract the file to your ESXi host and execute it. If it is not executable set the permissions accordingly.

iPerf for ESXi4.1-5.5 (883 downloads )

pfSense 2.3 STARTTLS email notification problem

Posted on by Andy

When using email notification on pfSense 2.3 with STARTTLS i got the following error: 

Error: could not start TLS connection encryption protocol

This is due to PHP 5.6 which forces the certificate validation as a default. Here is the fix, hope that the upstream developers fix this in a future version:

open file /etc/inc/smtp.inc and find the following lines: 

if($this->debug)
    $this->OutputDebug('Starting TLS cryptograpic protocol');
############## ADD THIS BEGIN ########################
stream_context_set_option($this->connection, [
    "ssl" => [
        "verify_peer" => false,
        "verify_peer_name" => false,
        "allow_self_signed" => true
    ]
]);
############## ADD THIS END ##########################
if(!($success = @stream_socket_enable_crypto($this->connection,1,STREAM_CRYPTO_METHOD_TLS_CLIENT)))
    $this->error = 'could not start TLS connection encryption protocol';
else
{
    if($this->debug)
        $this->OutputDebug('TLS started');
    $success = $this->StartSMTP($localhost);
}