| S/MIME |
Secure
Multimedia Internet Mail Extensions |
| SAC |
Signaling
Access Controller [ISDN data communications] |
| SAPI |
Service
Access Point Identifier [ISDN data communications] |
| SCSI |
Small
Computer Systems Interface |
| SDLC |
Synchronous
Data Link Protocol |
| SEA |
Self-Extracting
Archive |
| SET |
Secure
Electronic Transactions |
| SFP |
System
File Protection |
| SFP |
file
ext for PCL Fonts |
| SFTP |
Secure
File Transfer Protocol |
| SIPRNET |
Secret
Internet Protocol Router NETwork |
| SIVC |
Simple
Internet Version Control |
| SLA |
Service
Level Agreement |
| SLIP |
Serial
Line Internet Protocol |
| SME |
Small
and Medium Enterprises |
| SMIME |
Secure/Multipurpose
Internet Mail Extensions , "S/MIME |
| SMTP |
Simple
Mail Transfer Protocol |
| SNA |
Synchronous
Network Architecture |
| SNA |
Systems
Network Architecture [IBM] |
| SNACP |
SNA
PPP Control Protocol |
| SNI |
System
Network Architecture Interconnection |
| SNMP |
Simple
Network Management Protocol [TCP/IP] |
| SOHO |
Small
Office, Home Office |
| SPANS |
Simple
Protocol for ATM Network Switching |
| SPID |
Service
Provider ID [used in ISDN provisioning] |
| SPP |
Sequenced
Packet Protocol |
| SQL |
Structured
Query Language |
| SSL |
Secure
Socket Layer |
| SSL |
Secure
Sockets Layer [security protocol for TCP/IP] |
| SUSI |
Simple
Unified Search Index, an older InterNet search engine |
| SVC |
Semi-permanent
Virtual Circuits [ISDN data communications] |
| SWIFT |
Society
for Worldwide Interbank Financial Telecommunication |