כל מי שלומד תקשורת מחשבים וכל מי שמשתמש בתקשורת בפרויקט שלו צריך לדעת את מוסגי יסוד בתחום. מצאתי תוכנה שפיתחו בארץ. עזרה לתוכנה הזאת מכילה מוסגי יסוד. אתם יכולים להוריד את התוכנה ולהשתמש בה 30 יום ללא התחיבויות וללא תשלום מראש. כתובת להורדה: http://www.tsarfin.com/
מה תוכנית יודעת?
What Is NetInfo?
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NetInfo is a collection of 15 different state-of-the-art network tools on a single, easy-to-use interface. Designed from first-hand experience, NetInfo allows businesses to more effectively combat network downtime by allowing network administrators, webmasters, and Internet service providers to more accurately isolate faults, simplify processing of diagnostic data and increase internal network security.
Main Features:
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* Local Info - Displays system IP addresses and MAC addresses.
* Connections - Displays all local TCP/IP connections and their foreign connection IP address.
* Ping - Allows you to quickly verify network connectivity to another IP address on the network.
* Trace - Displays a list of routers between your system and the destination system.
* Lookup - Allows you to perform DNS forward and reverse lookup queries.
* Finger - Displays information about users currently logged on to a specified server.
* Whois - Allows you to query contact information for domains registered with a Whois server.
* Daytime - Displays the local time of day for any remote host specified.
* Time - Allows you to query the time value from a remote time server and synchronize the time value with your local system clock.
* Quote - Allows you to view quotations from a remote Quote server.
* HTML - Displays the HTML header code and the page data for any Web page address specified.
* Scanner - Scans for host names for a particular range of IP addresses and displays the state of each IP address in the range.
* Services - Lists the available network services (HTTP, Telnet, DNS, SMTP, and so on) for a particular host.
* E-mail - Allows you to verify any e-mail address by simply entering a full user principal name (user@domain.com).
* Web Center - Displays available online tools, how-tos, tips, and news.
דוגמא לעזרה:
Cookie----------------
NetInfo is a collection of 15 different state-of-the-art network tools on a single, easy-to-use interface. Designed from first-hand experience, NetInfo allows businesses to more effectively combat network downtime by allowing network administrators, webmasters, and Internet service providers to more accurately isolate faults, simplify processing of diagnostic data and increase internal network security.
Main Features:
--------------
* Local Info - Displays system IP addresses and MAC addresses.
* Connections - Displays all local TCP/IP connections and their foreign connection IP address.
* Ping - Allows you to quickly verify network connectivity to another IP address on the network.
* Trace - Displays a list of routers between your system and the destination system.
* Lookup - Allows you to perform DNS forward and reverse lookup queries.
* Finger - Displays information about users currently logged on to a specified server.
* Whois - Allows you to query contact information for domains registered with a Whois server.
* Daytime - Displays the local time of day for any remote host specified.
* Time - Allows you to query the time value from a remote time server and synchronize the time value with your local system clock.
* Quote - Allows you to view quotations from a remote Quote server.
* HTML - Displays the HTML header code and the page data for any Web page address specified.
* Scanner - Scans for host names for a particular range of IP addresses and displays the state of each IP address in the range.
* Services - Lists the available network services (HTTP, Telnet, DNS, SMTP, and so on) for a particular host.
* E-mail - Allows you to verify any e-mail address by simply entering a full user principal name (user@domain.com).
* Web Center - Displays available online tools, how-tos, tips, and news.
דוגמא לעזרה:
A special text file that a Web site puts on your hard disk so that it can remember something about you at a later time. Typically, a cookie records your preferences when using a particular site. Using the Web's Hypertext Transfer Protocol (HTTP), each request for a Web page is independent of all other requests. For this reason, the Web page server has no memory of what pages it has sent to a user previously or anything about your previous visits. A cookie is a mechanism that allows the server to store its own file about a user on the user's own computer. The file is stored in a subdirectory of the browser directory (for example, as a subdirectory under the Netscape directory). The cookie subdirectory will contain a cookie file for each Web site you've been to that uses cookies.
Cookies are commonly used to rotate the banner ads that a site sends so that it doesn't keep sending the same ad as it sends you a succession of requested pages. They can also be used to customize the pages they send you based on your browser type or other information you may have provided the Web site. Web users must agree to let cookies be saved for them, but, in general, it helps Web sites to serve users better.
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