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24%
Warding off the rise of VoIP spam
30.11.2025
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Izaokas Sapiro, 123RF.com
, and to provide protection against VoIP spam by various means. Additionally, other initiatives are SpITAssassin [6], an extension of SpamAssassin functionality, and the SPIT defense solution (SPIT AL). SPIT AL
24%
Script utilities in depth: grep, awk, and sed
30.11.2025
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© jirkaejc, 123RF.com
). The following command finds all lines that begin with an opening tag and end with the corresponding closing tag: grep "^<([^/ >]+)[^>]*>.*$" something.htm The command displays lines 1, 2, 6, 7, and 10

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