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Can you ping it? That is . . . does DNS resolve the name to an IP address? If you try to go to the IP address with your browser does it work? Can you go to other &quot;https&quot; sites on the internet?<br />
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So . . .when you say &quot;unable to reach&quot; do you get a &quot;Page not found&quot; a reset . . . what actually happens?<br />
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Good luck,<br />
SteveJ
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SteveJ, no I can't even ping the server. I'm wondering if the address has changed.
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@SteveJ, within my office network which is where the DSM server resides, I always get the response that &quot;Ping request could not find host contentupdate.ca.com. Please check the name and try again.&quot;
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So, is your office in the US?<br />
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Your response indicates that your DNS is not resolving the name. Try the IP address that my ping resolves to (shown in an earlier post).<br />
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Your first issue is to figure out why DNS isn't resolving. Do you have your own DNS or is the DNS you use owned by an ISP?<br />
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Good luck,<br />
SteveJ
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Comment pointed me in the right direction to get our firewall re-configured for access to the ca site.
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I have an installation of CA's Desktop Management Suite r11.2 on my subnet. However, I am unable contact contentupdate.ca.com to pickup software definition updates. Port 443 seems to be blocked on our firewall and we do not have local control of this. Also, I'm unable to reach contentupdate.ca.com over any Internet link that bypasses our firewall. Can I get help on this? 
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I have an installation of CA's Desktop Management Suite r11.2 on my subnet. However, I am unable contact contentupdate.ca.com to pickup software definition updates. Port 443 seems to be blocked on our firewall and we do not have local control of this. Also, I'm unable to reach contentupdate.ca.com over any Internet link that bypasses our firewall. Can I get help on this? 

Unable to Reach ContentUpdate.ca.com

Network analysis is the process of identifying and remediating the processes and systems within a network, including performance, connectivity and security. The process is performed through the use of tools developed for monitoring and analyzing network activity. Network problems that involve finding an optimal way of doing something are studied under the name combinatorial optimization. Examples include network flow, shortest path problem, transport problem, transshipment problem, location problem, matching problem, assignment problem, packing problem, routing problem, Critical Path Analysis and PERT (Program Evaluation & Review Technique).

Network Analysis

Software is any set of instructions that directs a computer to perform specific tasks or operations. Computer software consists of programs, libraries and related non-executable data (such as documentation). Computer software is non-tangible, contrasted with computer hardware, which is the physical component of computers. Software written in a machine language is known as "machine code". However, in practice, software is usually written in high-level programming languages than machine language. High-level languages are translated into machine language using a compiler or interpreter or a combination of the two.