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The following page has been changed by noodl: http://wiki.apache.org/httpd/Errors/CouldNotBindToAddress ------------------------------------------------------------------------------ == make_sock: could not bind to address 0.0.0.0:80 no listening sockets available == - If you see this error, it is quite likely that something else is already using the port in question. + There are three common causes for this error message. - If you get this error messages, you can determine what is using the port quite easily + === Address is already in use === + Something else is already using the port in question. + + Run one of the following commands to check if a running process is holding the port needed by apache open. {{{ On Linux/Unix run - $> netstat -a -v -e -p + $> netstat -avep On Windows run $> netstat -ano }}} - Once you see these results, you can choose too kill the program in question, or change the port that Apache uses. + Once you see these results, you can choose to kill the program in question, or change the port that Apache uses. '''''Note for Windows users''', Skype is known to use port 80. Also, make sure Windows IIS Web Server is not running.'' + === Conflicting Listen directives === + A configuration like this: + {{{ + Listen *:80 + Listen 1.2.3.4:80 + }}} + will incur the same error message. This can be remedied by disambiguating the ip/port numbers. + + === You're not root === + Unix based systems disallow non-root users to bind processes to port numbers below 1024. Get root! +
