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From "Caldarale, Charles R" <Chuck.Caldar...@unisys.com>
Subject RE: Getting "Invalid message received with signature xxxxx" messages in catalina.out
Date Fri, 18 Nov 2016 17:08:15 GMT
> From: James H. H. Lampert [mailto:jamesl@touchtonecorp.com] 
> Subject: Re: Getting "Invalid message received with signature xxxxx" messages in catalina.out

> This is interesting:
>  <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />

> Isn't 8009 some sort of backchannel control port, perhaps the one used 
> for controlled shutdown of Tomcat?

No, 8009 is the default port for communication between httpd and Tomcat.  8005 is the default
shutdown port.

> It seems to be defined as an AJP port "straight out of the box," is also 
> so-defined on our own Tomcat server, and is presumably so-defined at all 
> our other customer installations.

Correct.  If you're not using it, remove (or comment out) the declaration.


> And yet this is the first time I've ever seen these error messages.

Something with access to your network is probing that port.

 - Chuck


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