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nmap scanning and printers When you plan to nmap scan a network which contains printers, avoid scanning the JetDirect port, port 9100. Newer versions of nmap skips TCP port 9100 because some printers...
Left and Right align text on the same line It can sometimes be useful to have some text be aligned to the left and some text be aligned to the right on the same line, eg in a footer. Here is how this can be done in...
Using multiple CSS classes Let’s say you need six different 100px square boxes with different characteristics: Red with Border Blue with Border Green with Border Red without Border Blue without Border...
Making /tmp non-executable Many simple exploits that are used against machines, (via vulnerable PHP applications or local users, etc), rely upon being able to execute commands in /tmp. If this is a...