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get the IP address of your ISA server and make it your proxy server address to have an internet connection.
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get the IP address of your ISA server and make it your proxy server address to have an internet connection.

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my question was:<br />
&nbsp;How do I know that it was ISA server &nbsp;blocking access to internet if I was not told by someone else that ISA server was installed in the computer?<br />
<br />
<br />
<br />

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my question was:
 How do I know that it was ISA server  blocking access to internet if I was not told by someone else that ISA server was installed in the computer?





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I have a computer that is used to connect to internet with no problem, but after ISA server was installed it can not connect to internet anymore.<br />
<br />
the question is if I was not told that ISA server was installed, how would I find out the reason why the computer can not connect to internet , which tools should I use or should I have used to find out?<br />
<br />
thanks
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I have a computer that is used to connect to internet with no problem, but after ISA server was installed it can not connect to internet anymore.

the question is if I was not told that ISA server was installed, how would I find out the reason why the computer can not connect to internet , which tools should I use or should I have used to find out?

thanks

Internet connection issue

Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functionality of the operating system. The best known frameworks are the TCP/IP model and the OSI model. Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite.[9] Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP. Other protocols indirectly related to networking include the hypertext transfer protocol (HTTP) and its related technologies, Dynamic Host Configuration Protocol (DHCP), Domain Name Server (DNS) and other Internet protocols.

Networking Protocols

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.