... Red Hat Package Manager (RPM) packages are already installed (you may need to update them later in this section). To check if an RPM is installed, enter rpm -qa | grep rpm_name .To install an RPM, ... Tunneling protocols are responsible for encapsulating a data packet before a host transmits it.The data is encapsulated and sent over the net- work to its destination. Upon arrival, t...
Ngày tải lên: 08/08/2014, 21:23
Rfid a guide to radio ffrequency identification phần 7 ppsx
... Digital Solutions AIDC Automatic Identifi cation and Data Capture Technology ANSI American National Standards Institute ASCII American Standard Code for Information Exchange ASK Amplitude Shift Keying BSI ... strengths in amperes per meter. File A set of data stored within a computer, portable data terminal, or infor- mation management system. Filler Character A redundant character inser...
Ngày tải lên: 09/08/2014, 19:22
hack proofing linux a Guide to Open Source Security phần 1 docx
... working as the Network Administrator and Manager of a top-level Armenian domain. He has also worked for the United Nations, the Ministry of Defense of the Republic of Armenia, and Armenian national ... of the best ways is to obtain a digital signature for the software package. A digital signature is a small piece of code generated by an encryption algorithm. A signature allows you...
Ngày tải lên: 08/08/2014, 21:23
hack proofing linux a Guide to Open Source Security phần 2 docx
... supplied a username and password. If a user attempts to run the command via sudo and that user is not in the sudoers file, an e-mail is automatically sent to the administrator, indicating that an unauthorized ... flavors.The specific Red Hat/Mandrake content has been generalized, and now the hard-code filenames are represented as variables.These variables are set automatically at runtime....
Ngày tải lên: 08/08/2014, 21:23
hack proofing linux a Guide to Open Source Security phần 5 docx
... Snort’s analysis feature is able to read the contents of the captured packets and then inform you about any attacks waged against your network. ; Snort is able to automatically detect attacks based ... directories, and databases. ; An IDS can act as a supplement to a firewall, because it can help you monitor traffic on the internal network. Sometimes it may be useful to place an IDS...
Ngày tải lên: 08/08/2014, 21:23
hack proofing linux a Guide to Open Source Security phần 8 doc
... own dynamic database. If this database senses a number of ports that have been scanned in a row, the firewall can take action. Some actions the firewall can take may include automatic firewall reconfiguration ... Ipchains and Iptables also allow you to configure your Linux router to masquerade traffic (i.e., to rewrite IP headers so that a packet appears to originate from a certain...
Ngày tải lên: 08/08/2014, 21:23
hack proofing linux a Guide to Open Source Security phần 9 docx
... rules database One of the common moves by a hacker is to alter the rules database in subtle ways that make it easier for the hacker to gain access to the network. Check your rules and compare them ... Description Realtime Fwlogwatch operates as a daemon and reads the kernel messages file (usually /var/log/messages), waiting for Ipchains/Iptables-generated packets to occur. When t...
Ngày tải lên: 08/08/2014, 21:23
Rfid a guide to radio ffrequency identification phần 3 doc
... demand from historical data. These models are only as good as the data fed into them. RFID will not only improve the accuracy of data available to the models, but the wealth of the data as ... Pharmaceuticals Inventory and Tracking Industrial and Manufacturing Manufacturing Tooling Work-in-Progress Security and Access Control Pasport and visa management Child Tracking Animal Trackin...
Ngày tải lên: 09/08/2014, 19:22