@inproceedings {260245, author = {John Ioannidis and Matt Blaze}, title = {The Architecture and Implementation of Network Layer Security in {UNIX}}, booktitle = {4th UNIX Security Symposium (UNIX Security 93)}, year = {1993}, address = {Santa Clara, CA }, url = {https://www.usenix.org/conference/4th-unix-security-symposium/architecture-and-implementation-network-layer-security-unix}, publisher = {USENIX Association}, month = oct }