When doing IPC using TCP/IP sockets using the loopback address, do common networking stacks skip framing the message in lower-level PDUs?

Question

In some environments such as Java, it\'s natural to use TCP/IP sockets to pass messages between processes on the same host using the \'localhost\' address (127.0.0.1 in IPv4, or

Answer 1

Depends upon the OS, and the configuration being used. The answer is yes if you are asking for default behavior.

This is the reason why you are not able to use tools like wireshark to sniff local loopback scenarios.