By Bruce Potter
Mention instant networks, and the query of defense will quickly stick to. it isn't magnificent that during spite of compelling enterprise arguments for going instant, many businesses are retaining again due to safety matters. yet, whereas it is precise that instant networks create defense concerns that do not exist in stressed out networks, the problems usually are not insurmountable. 802.11 Security indicates how one can plan for and effectively take care of defense hindrances on your instant deployment. This authoritative ebook not just explains the protection matters, yet exhibits you ways to layout and construct a your individual safe instant network.
802.11 Security covers the complete technique of development safe 802.11-based instant networks, specifically, the 802.11b ("Wi-Fi") specification. The authors supply targeted assurance of safeguard matters specific to instant networking, similar to instant entry issues (WAP), bandwidth stealing, and the complicated stressed identical privateness component to 802.11. you will the best way to configure a instant consumer and to establish a WAP utilizing both Linux or loose BSD. you are going to additionally locate thorough details on controlling community entry and encrypting customer traffic.
Beginning with an creation to 802.11b commonly, the ebook offers a wide foundation in concept and perform of instant protection, dispelling many of the myths alongside the way in which. In doing so, they supply you with the technical grounding required to consider how the remainder of the e-book applies in your particular wishes and occasions. subsequent, the ebook info the technical setup directions wanted for either the Linux and FreeBSD working platforms. a number of the issues lined include:
- Station protection for Linux, FreeBSD, Open BSD, Mac OS X and Windows
- Setting Up entry aspect Security
- Gateway protection, together with development Gateways, firewall ideas, Auditing, etc.
- Authentication and Encryption
- FreeBSD IPsec buyer and gateway configuration
- Linux IPsec customer and gateway configuration
- 802.1x authentication
802.11 Security is a ebook whose time has come. while you're a community, safeguard, or platforms engineer, or an individual drawn to deploying 802.11b-based platforms, you will need this publication beside you each step of the way.
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Extra info for 802.11 Security
Using SSL for this connection allows you to maintain the confidentiality of your mail access credentials. Some mail clients also support SMTP over SSL. However, since no authentication credentials are sent during an SMTP session, this practice is not as common. The use of SSL does increase the computational burden on the mail server and may not be feasible in highvolume mail systems. We value the privacy of our email and advise using SMTP or IMAP over SSL if available. 2 SSH Secure Shell (SSH) is a secure replacement for the r-commands such as rlogin, rcmd, and rshell.
What kind of user IDs and passwords will be available on the network for eavesdroppers to pick up? Are there time-sensitive applications that a DoS attack can affect? Is the wireless network critical to the minute-to-minute operations of your organization? Can you afford to be sued if a hacker launches an attack from your network? Finally, using the previous steps to prioritize your activities, you need to evaluate how difficult the attacks are to defend against. If protecting information on your network is your top priority, you must determine to what lengths you will go to protect the integrity of your data.
Complete instructions for compiling a kernel are outside the scope of this book. The information below is meant to supplement a normal kernel configuration. html. Before adding wireless and security options to your kernel, first remove all extraneous entries in your kernel configuration file. The GENERIC kernel that ships with FreeBSD contains many options that are not required for operation of most workstations. For example, if your workstation does not have any SCSI devices, remove all the SCSI devices and options from your kernel.