Posts Tagged ‘ Firewall ’

How to upgrade or downgrade ScreenOS using either the WebUI or CLI

June 2, 2009
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I tried uploading the Juniper 5GT screenOS file name ns5gt.6.2.0r2.0 via the WebUI interface. But it kept failing with the error message “File too big or empty”. I then had to upgrade the screenOS or firmware through the command line interface of CLI. I downloaded the TFTP server for Windows from Solar Winds, it...
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Configuring NAT on the Cisco PIX or ASA firewalls.

April 30, 2009
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If you do not want to expose your server’s IP address to an external client you can use Network Address Tranalation (NAT) to hide it. For example if your servers IP address is 192.168.0.10 then you can publish it to an external client as 10.0.0.10. The reason you would do this is to enhance...
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TCP ports opened on firewall for Dell Remote Access Card – DRAC.

April 28, 2009
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The Dell Remote Access Card (DRAC) communicates via the following ports: 22 Secure Shell, SSH 23 Telnet 80 http 443 https 161 SNMP 3668 Virtual Media Server 5900 Console Redirection 5901 Console Redirection If you have a firewall in between you and the server, ensure that you have the above ports opened.
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NAT, Network Address Translation

March 1, 2007
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Last night or early this morning I had to stay my and work on a new network connectivity with a financial institution.  I am not going to name the institution but will only say that it is one of the largest financial institution in the USA. At the scheduled 1 a.m. eatern time, I...
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