Assertion: ip address | /r/HasProperty | available
Facets:
Source sentences:
text: The process ends when there is no reply to the ARP, indicating the candidate IP address is available.
text: Without the use of XFF or another similar technique, any connection through the proxy would reveal only the originating IP address of the proxy server, effectively turning the proxy server into an anonymizing service, thus making the detection and prevention of abusive accesses significantly harder than if the originating IP address were available.