securenets, 49

V

static ports, 50

Virtual Private Networks, 59

overview of, 45

(See CIPE)

portmap, 48

ports

viruses

monitoring, 56

trojans, 14

Sendmail, 55

VLAD the Scanner, 85

and NFS, 55

VPN, 59

limiting DoS, 55

vulnerabilities

TCP wrappers, 45

assessing with Nessus, 85

attack wrarnings, 46

assessing with Nmap, 83

banners, 45

assessing with VLAD the Scanner, 85

logging, 46

assessing with Whisker, 85

xinetd, 46

assessment, 81

managing resources with, 47

defining, 82

preventing DoS with, 47

establishing a methodology, 83

SENSOR trap, 47

testing, 82

services, 56

Services Configuration Tool, 41

Snort, 93

W

sshd, 40

Whisker, 85

stat, 98

white hat hacker

strings, 98

(See hackers)

su

Wi Fi networks

and root, 38

(See 802.11x)

sudo

wireless security, 76

and root, 39

802.11x, 76

workstation security, 27

BIOS, 27

T

boot loaders

TCP wrappers

passwords, 28

and FTP, 55

evaluating, 27

and portmap, 48

administrative control, 27

attack wrarnings, 46

BIOS, 27

banners, 45

boot loaders, 27

logging, 46

communications, 27

Tripwire, 90

passwords, 27

personal firewalls, 27

U

X

updates

official security errata, 25

xinetd, 40

via Red Hat Errata website, 25

managing resources with, 47

via Red Hat Network, 25

preventing DoS with, 47

SENSOR trap, 47