Difference between revisions of "Noproxyprotocol, proxyprotocol Channel Options"

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New in MS 8.1.0.1, the <code>proxyprotocol</code> enables server-side use of the [https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt proxy protocol]. Note that the proxy protocol is not negotiated; enabling it on the server side will cause connections to hang if the client doesn&#x27;t send the necessary PROXY command. Presently, only proxy protocol v1 (text format) is supported.  
 
New in MS 8.1.0.1, the <code>proxyprotocol</code> enables server-side use of the [https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt proxy protocol]. Note that the proxy protocol is not negotiated; enabling it on the server side will cause connections to hang if the client doesn&#x27;t send the necessary PROXY command. Presently, only proxy protocol v1 (text format) is supported.  
  
At present only the SMTP server supports the proxy protocol.  
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At present only the SMTP and MMP servers support the proxy protocol for incoming connections. This is supported with SMTP and Submission protocols (port 25 & 587), but works incorrectly with the submissions protocol (port 465) so it&#x27;s important to make sure any slave channel used to offer submissions service is configured with noproxyprotocol.  
  
  

Latest revision as of 00:40, 25 March 2020


Proxy protocol support

New in MS 8.1.0.1, the proxyprotocol enables server-side use of the proxy protocol. Note that the proxy protocol is not negotiated; enabling it on the server side will cause connections to hang if the client doesn't send the necessary PROXY command. Presently, only proxy protocol v1 (text format) is supported.

At present only the SMTP and MMP servers support the proxy protocol for incoming connections. This is supported with SMTP and Submission protocols (port 25 & 587), but works incorrectly with the submissions protocol (port 465) so it's important to make sure any slave channel used to offer submissions service is configured with noproxyprotocol.


See also: