Corporate Computer and Network SecurityFor Internet and Network Security courses. This up-to-date examination of computer and network security in the corporate setting fills the critical need for security education. Its comprehensive, balanced, and well-organized presentation emphasizes implementing security within corporations using existing commercial software and provides coverage of all major security issues. |
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Page 147
... connection openings that it fails or is too busy to respond to connection openings from legitimate users . Whether the host fails completely or limps along in a barely functional state , users will be denied service . SYN flooding ...
... connection openings that it fails or is too busy to respond to connection openings from legitimate users . Whether the host fails completely or limps along in a barely functional state , users will be denied service . SYN flooding ...
Page 179
... connection opening or is an attack segment . Consequently , most static packet filter firewalls pass all TCP SYN / ACK segments , giving attackers a well - known free shot at internal hosts . Port - Switching Applications Some ...
... connection opening or is an attack segment . Consequently , most static packet filter firewalls pass all TCP SYN / ACK segments , giving attackers a well - known free shot at internal hosts . Port - Switching Applications Some ...
Page 181
... Connection External FTP Server 123.80.5.34 State Table Type Internal IP Step 2 TCP Internal Port 60.55.33.12 62600 External External IP Status Port 123.80.5.34 21 OK Step 5 TCP 60.55.33.12 55336 123.80.5.34 20 OK The Initial Connection ...
... Connection External FTP Server 123.80.5.34 State Table Type Internal IP Step 2 TCP Internal Port 60.55.33.12 62600 External External IP Status Port 123.80.5.34 21 OK Step 5 TCP 60.55.33.12 55336 123.80.5.34 20 OK The Initial Connection ...
Contents
A Framework 12003 | 1 |
Chapter la Examples of Security Problems | 43 |
Access Control and Site Security | 53 |
Copyright | |
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Common terms and phrases
access control allow antivirus application firewall attack packets auditing authentication backup biometric bits browser Chapter client PC confidentiality connection corporate countermeasure create cryptographic systems data link database decrypt denial-of-service attacks digital certificates digital signature e-commerce e-mail employees fingerprint firewalls firms hackers hacking hashing header HMAC host ICMP IDSs incident ingress filtering install internal Internet IP address spoofing IP packet IPsec Kerberos L2TP large number layer LINUX log files login Microsoft MS-CHAP operating system password patches permissions plaintext policies port number PPTP private key problem programs protection Protocol public key encryption router scanning scripts source IP address specific spoofing SSL/TLS standards static packet filter Study Figure subnet symmetric key encryption SYN/ACK systems administrator TCP/IP Test Your Understanding threats types UNIX vendors versions victim virus viruses VPNs vulnerability testing webserver Windows