Client address - domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name.
Example
client.example.com
Example
10.1.2.80
Example
/tmp/my.sock
Note
When observed from the server side, and when communicating through an intermediary, client.addressSHOULD represent the client address behind any intermediaries, for example proxies, if it's available.
Client address - domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name.