Security for dial-up lines
By: Eugene F. Troy.
Series: NBS special publication ;; 500-137.; Computer science and technology; NBS special publication.; NBS special publication ;; 500-137.
Publisher: U.S. Dept. of Commerce, National Bureau of Standards; Washington, DC
Published: 1986
Place of publication: Gaithersburg, MD; For sale by the Supt. of Docs., U.S. G.P.O
Language: eng
Subjects: Computer security.; Electronic data processing departments -- Security measures.
Notes: Includes bibliography.
"Issued May 1986."