Hardening Linux

E

EF, 362

encryption

CFS, 161-167

ethical issues, 143-144

GnuPG, 147-159

installing and using a cryptographic file system, 161-167

legal requirements, 142-143

magnetic media, 144-145

OpenSSL, 159-161

proper procedures, 144-147

removing plaintext copies of data, 146-147

shred command, 146-147

storage, 144-146

See also decryption

/etc/passwd, file permission modes for, 131

Ethereal, 252-255

European Union Directive 95/46 EC, 368

examining for evidence of compromise, 4-11

expansions, tcp_wrappers, 55

Exposure Factor, 362

extended attributes, 134-136