By Bruce Potter
Mention instant networks, and the query of protection will quickly stick to. it is not magnificent that during spite of compelling company arguments for going instant, many businesses are preserving again due to protection matters. yet, whereas it really is actual that instant networks create safety matters 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 cope with protection stumbling blocks on your instant deployment. This authoritative e-book not just explains the safety matters, yet exhibits you the way to layout and construct a your personal safe instant network.
802.11 Security covers the full means of construction safe 802.11-based instant networks, specifically, the 802.11b ("Wi-Fi") specification. The authors offer certain insurance of protection matters specified to instant networking, comparable to instant entry issues (WAP), bandwidth stealing, and the tricky stressed identical privateness section of 802.11. you are going to tips on how to configure a instant patron and to establish a WAP utilizing both Linux or unfastened BSD. you are going to additionally locate thorough info on controlling community entry and encrypting customer traffic.
Beginning with an advent to 802.11b more often than not, the booklet promises a wide foundation in idea 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 contemplate how the remainder of the publication applies in your particular wishes and events. subsequent, the ebook information the technical setup directions wanted for either the Linux and FreeBSD working platforms. many of the themes coated include:
- Station defense for Linux, FreeBSD, Open BSD, Mac OS X and Windows
- Setting Up entry element Security
- Gateway safeguard, together with development Gateways, firewall ideas, Auditing, etc.
- Authentication and Encryption
- FreeBSD IPsec patron and gateway configuration
- Linux IPsec buyer and gateway configuration
- 802.1x authentication
802.11 Security is a publication whose time has come. when you are a community, safety, or platforms engineer, or a person drawn to deploying 802.11b-based platforms, you will want this e-book beside you each step of the way.
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Additional resources for 802.11 Security
1. 1. An attacker can force packets to go through a malicious host by exploiting this lazy mechanism of learning MAC addresses. 1). The attacker and both target hosts are on the same network. The attacker sends an ARP reply packet to the client machine with a source IP of the server but with a source MAC of the malicious machine. 1 to that host. Conversely, the attacker sends a packet to the server with a source IP of the client and a source MAC of the malicious machine. As in the client's situation, packets will be forwarded to the malicious host.
In addition to establishing a firewall, unneeded services on the client should be disabled. If there is a pressing reason to run a specific service from a client, firewall rules need to be modified to allow traffic to that service. It is vital that any exposed services are run using up-to-date software. Outdated software with security vulnerabilities is the primary entry point for attackers. In addition, we'll discuss the use of static ARP to protect against layer 2 man-in-the-middle attacks. These attacks can lead to eavesdropping or manipulation of network sessions.
It is historically associated with web pages accessed via secure HTTP (HTTPS). However, any protocol can be encapsulated in SSL for secure network transit. SSL is great for protecting transaction-based protocols such as web traffic and mail transactions. When surfing the Web using a wireless connection, you should pay special attention to pages that require you to authenticate yourself or that you have reached via authentication. , username/password combinations) to the remote server. Unfortunately, subsequent pages accessed on the site after authentication may contain sensitive data, including your credentials or a cookie representing successful authentication.