![]() ![]() All XML-RPC requests in WordPress go through xmlrpc.Functions and resources in WordPress which use XML-RPC service have xmlrpc string in functions' name or files' name so you can skim through your theme and plugins to check if there're any matches.How to know if your site is using xmlrpc.php I often log all IPs which make requests to xmlrpc.php, use iptables to setup rate limit. Allow access from certain IPs also doesn't help because IP can be faked and you cannot list all IPs which will use XML-RPC service.As said, it might break many third party services.It cannot help you survive a real DDoS attack.To be sure, you should look into your resource consumption, the dynamic of IP addresses and maybe the payloads. This looks like a spam bot or an enumeration rather than a DDoS attack. If I allow from the ip address of the server would this work for plugins etc or do they all have their own IP address that would need to be added? Is there any particular way I can check if the previous developer has put anything in place to use wordpress xmlrpc functionality? Could I check for functions in specific files/is there anything that screams out to identify the use?ĮDIT: Would something like this be helpful? However I am unsure as to whether this site is actually using the service xmlrpc allows you to use. The big argument for XML-RPC, but especially SOAP, is that it would make inter-operation even between different companies very easy, with stuff like WSDL and XML schema and UDDI. ![]() If you're comfortable with it, and it works for you, then you should continue to use it. I believe there are many solutions to this ( This tutorial) but I tend to lean towards just outright blocking access to the file. While XML-RPC is pretty verbose, there is nothing inherently wrong. (Obviously this isn't a google bot because there is no reason for google to post to this file.) I have taken over a website where I work that was developed by a previous employee, it seems that recently this site has been the victim of a string of DDoS attacks through the use of the xmlrpc pingback proven by log entries like this:ġ54.16.63.40 - "POST /xmlrpc.php HTTP/1.1" 200 596 "-" "Googlebot/2.1 (+)" ![]()
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