User erroring the config - was it a person?

Yesterday Apache failed. The sys. adm. at the data center said that user 'username' was erroring the config. He took out the entry in the httpd.conf and Apache were up again.

I checked to see if there were any user (human being) with that 'username' but there weren't. I then asked if it were a human being or a software process that did this change to httpd.conf but he didn't know.

So now I'm asking here. Does anyone know how this change to httpd.conf might have happened? The entry looked the same as all the other entries. All he did was to comment it out.

I'm a bit worried if a person I don't know have gained access to the server. Hoping for some input.

Thanks
John

 

 

 

 

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