Here are various open source tools that are useful for security auditing! If you are a consultant, or an admin that just likes to be on top of his game, these are free open source tools that help audit the security level of workstations and servers in your environment. Note: These are by nature Linux-friendly
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To ignore any ssl certificate warnings with curl, use the tack k option. Here is an example: $ curl -k https://scottlinux.com $ curl -I -k https://scottlinux.com HTTP/1.1 200 OK Date: Tue, 14 Feb 2012 20:00:03 GMT Server: Apache Strict-Transport-Security: max-age=43200; includeSubDomains X-Frame-Options: SAMEORIGIN Set-Cookie: bb2_screener_=1329249603+66.202.152.198; path=/ X-Pingback: http://scottlinux.com/xmlrpc.php Set-Cookie: PHPSESSID=lq5dpvfagbdstib7nlg2b8a0m7; path=/ X-Hello: Hello There Vary:
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This account is currently not available If you get this message attempting to ssh in or su’ing as another user, there is no valid shell set for this user. You can quickly inspect this by looking at the /etc/passwd file. Check for an entry that has something like ‘/bin/false’ or ‘/bin/nologin’ for the shell: userdude:x:111:113::/home/userdude:/bin/false
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Q. How can I access my computer or family’s computer remotely without having to open up ports in the firewall? A. Using a [free] third party app is the solution Here are a few free* solutions to connect remotely and keep your home ip ‘stealth’. (*Free for non-commercial use.) These work with Mac OS X,
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A common question I hear is ‘Why are there so many different versions of Linux?‘ Especially when there is simply ‘Windows’, or ‘OS X’, it seems logical that there could be a single ‘Linux’, but for various reasons that is not the case. Linux is a multi-purpose operating system used for everything from powering
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