Hack Proofing Linux: A Guide to Open Source SecurityElsevier, 2001. gada 6. jūl. - 512 lappuses From the authors of the bestselling E-Mail Virus Protection Handbook! The Linux operating system continues to gain market share based largely on its reputation as being the most secure operating system available. The challenge faced by system administrators installing Linux is that it is secure only if installed and configured properly, constantly and meticulously updated, and carefully integrated with a wide variety of Open Source security tools. The fact that Linux source code is readily available to every hacker means that system administrators must continually learn security and anti-hacker techniques. Hack Proofing Linux will provide system administrators with all of the techniques necessary to properly configure and maintain Linux systems and counter malicious attacks.
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1.–5. rezultāts no 55.
... Telnet, Ipchains, Netcat, and SendIP to Probe Your Firewall Ipchains Telnet Using Multiple Terminals Netcat Sample Netcat Commands Additional Netcat Commands Exercise: Using Netcat SendIP:The Packet Forger SendIP Syntax Exercise: Using ...
... Telnet services by commenting out the FTP and Telnet entries in the respective file and restarting the service. If the service is commented out, it will not restart.The next section demonstrates how to disable the Telnet, FTP, and ...
... Telnet Using the /xinetd.d/telnet File 4. Next, you must restart xinetd by entering: /etc/rc.d/init.d/xinetd restart Stopping xinetd: [OK} Starting xinetd: [OK} 5. Attempt to log on to the system using Telnet.You should fail. 6. Note ...
... Telnet 23 SMTP 25 DNS 53 DHCP BOOTP Server 67 DHCP BOOTP Client 68 TFTP 69 Gopher 70 HTTP 80 POP3 110 NNTP 119 NetBIOS Session Service 139 Internet Message Access Protocol (IMAP), version 2 143 To explain how well-known ports work with ...
... telnet connections send the information in clear text.Therefore, you should always use SSH to ensure secure remote connections. s Deactivate and chroot named Similar to other services, named should be deactivated if the service is not ...
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Chapter 4 Implementing an Intrusion Detection System | 191 |
Chapter 5 Troubleshooting the Network with Sniffers | 261 |
Chapter 6 Network Authentication and Encryption | 299 |
Chapter 7 Avoiding Sniffing Attacks through Encryption | 353 |
Chapter 8 Creating Virtual Private Networks | 391 |
Chapter 9 Implementing a Firewall with Ipchains and Iptables | 445 |
Chapter 10 Deploying the Squid Web Proxy Cache Server | 507 |
Chapter 11 Maintaining Firewalls | 543 |
Appendix A Bastille Log | 599 |
Appendix B Hack Proofing Linux Fast Track | 605 |
Index | 637 |
Related Titles | 674 |
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Hack Proofing Linux: A Guide to Open Source Security, the Only Way to Stop a ... James Stanger Priekšskatījums nav pieejams - 2001 |