RFC 349

Proposed Standard Socket Numbers 🎀

Title block tea ☕: This is RFC 349, from the Network Working Group, written by Jon Postel (Computer Science, UCLA-NMC). The NIC number is 10428, and it's dated 30 May 72. The category is Socket Numbers, and it references RFC's 322, 204. The header doesn't list anything it obsoletes or updates. 💅

Jon has a big idea: a czar (her words, "me ?" 😭) who hands out official socket numbers for standard protocols. This czar would also keep track of, and publish, a list of the socket numbers where host-specific services can be found. 🧚

She suggests this starting allocation, and it's giving organized 🍓:

Sockets         Assignment
0-63            Network wide standard functions
64-127          Host specific functions
128-239         Reserved for future use
240-255         Any experimental function

Inside the network-wide standard range, she'd lock in these particular assignments 🦋:

Socket          Assignment
   1            Telnet
   3            File Transfer
   5            Remote Job Entry
   7            Echo
   9            Discard

Okay, the important bit ✨: these socket numbers (decimal) are meant for the socket called "L" in the official Initial Connection protocol (ICP), as specified in NIC 7104, the "Current Network Protocols" notebook. Main character energy for sure 👑.

       [ This RFC was put into machine readable form for entry ]
       [ into the online RFC archives by BBN Corp. under the   ]
       [ direction of Alex McKenzie.                   12/96   ]