405 Not Allowed -

In the bustling city of Silicon Circuit, every citizen is a and every building is a Server .

The clerk didn't even look at the letter. Instead, he stamped a red mark on a form and slid it back. It read: 405 Not Allowed

For a quick technical breakdown of why this error happens in the real world, check out this summary: In the bustling city of Silicon Circuit, every

"I don't understand," Eli said. "Is the library closed? Is the address wrong?" It read: For a quick technical breakdown of

Eli, a young traveler, stood before the heavy oak doors of the . He had a simple task: he wanted to leave a letter for a friend. He walked up to the reception desk, where a clerk sat behind a glass partition.

"If you want to leave something," the clerk explained, "you need to go to the . That building accepts the POST method. Here, we only let people look."