Download 802.11 Security by Bruce Potter PDF

By Bruce Potter

Mention instant networks, and the query of defense will quickly stick with. it is not spectacular that during spite of compelling enterprise arguments for going instant, many businesses are preserving again due to protection matters. yet, whereas it is precise that instant networks create safeguard matters that do not exist in stressed networks, the problems usually are not insurmountable. 802.11 Security exhibits how one can plan for and effectively deal with safety stumbling blocks on your instant deployment. This authoritative publication not just explains the safety matters, yet indicates you the way to layout and construct a your personal safe instant network.

802.11 Security covers the complete strategy of construction safe 802.11-based instant networks, specifically, the 802.11b ("Wi-Fi") specification. The authors supply certain assurance of defense concerns exact to instant networking, similar to instant entry issues (WAP), bandwidth stealing, and the problematical stressed similar privateness element of 802.11. you are going to how to configure a instant buyer and to establish a WAP utilizing both Linux or loose BSD. you are going to additionally locate thorough info on controlling community entry and encrypting purchaser traffic.

Beginning with an creation to 802.11b usually, the e-book supplies a vast foundation in conception and perform of instant defense, dispelling many of the myths alongside the best way. In doing so, they supply you with the technical grounding required to consider how the remainder of the booklet applies in your particular wishes and occasions. subsequent, the publication information the technical setup directions wanted for either the Linux and FreeBSD working platforms. a number of the issues lined include:

  • Station safeguard for Linux, FreeBSD, Open BSD, Mac OS X and Windows
  • Setting Up entry element Security
  • Gateway safety, together with construction 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 publication whose time has come. while you are a community, safety, or platforms engineer, or an individual drawn to deploying 802.11b-based structures, you will want this ebook beside you each step of the way.

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Additional info for 802.11 Security

Example text

IMAP over SSH tunnel In order to set up the tunnel, forward all local IMAP connections on the client (TCP port 143) to the IMAP port on the mail server. com sleep 3600 In order to use this tunnel, configure your mail client to use localhost as the IMAP server. The -f flag tells SSH to go into the background after the authentication process is over. The command sleep 3600 is executed on the remote host. Once the sleep command terminates, the SSH session will be torn down. This example can be modified to forward POP connections rather than IMAP by changing the port information to port 110.

The command sleep 3600 is executed on the remote host. Once the sleep command terminates, the SSH session will be torn down. This example can be modified to forward POP connections rather than IMAP by changing the port information to port 110. Note that, by default, SSH will only forward connections that originate from localhost. Connections to forwarded ports from remote stations will be denied by default. In order to allow other machines to access the forwarded port, use the -g flag. Only do this if there is a reason for external connections.

The second main consideration is using secure methods to communicate with other network services from the client. 1 Prevent Access to the Client The client needs to be protected from attack over the network. The primary means of accomplishing this is through the use of a firewall. A firewall on a client should block all unknown incoming traffic and allow for outbound connections. Connections directly to or from other computers on the wireless network should also be blocked. The exact means of accomplishing this for a specific OS will be covered in the five chapters that follow.

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