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/etc/squid/squid.conf

Sed: Find and Replace The Whole Line [ Regex ]

I have a line as follows in squid.conf file. My sever is hosted in a cloud:

acl verizonfios src 1.2.3.4

My ISP will force an IP address change every week or two. I would like to replace them with a new IP

acl verizonfios src 4.5.6.7

How do I replace the line starting with "acl verizonfios" with new IP address using sed and ssh?
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HowTo: Listen Pandora In Europe ( Outside USA )

I have Pandora Internet Radio One subscription, and recently I moved to Europe for a few months as part of my work schedule. The service fully available only in the United States. How do I access Pandora one service in Europe? Can I get around it by using a proxy server installed on my own server located in USA at home or ISP data center?
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My Squid proxy server running on port 3128. Since this is frequently scanned by adversaries looking for proxy servers; I've changed port to 10000 and restart squid. But my squid is not working on port # 10000 it only works on port # 3128? How do I force Squid to listen on uncommon port under CentOS Linux v5.3?
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Squid Proxy Hide System’s Real IP Address

My squid proxy server is displaying system's real IP address. I've a corporate password protected squid proxy server located at 202.54.1.2. My clients works from home or offices via A/DSL / cable connections. Squid should hide all system's IP address, but it is forwarding and displaying the system's IP address. How do I configure squid to hide client's real IP address?
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I've Squid Proxy server with over 100 Windows workstation. I see following error message in my cache.log file:

WARNING! Your cache is running out of filedescriptors

Do I need to filter proxy server requests to avoid this problem? How do I fix this problem under CentOS / Fedora / RHEL / Debian Linux?
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