Sample web site security policy
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Web Site Security Considerations - An Assessment
Unfortunately, there are lots of ways in which website security can be jeopardised. Security dangers exist that may impinge on Web servers and LANs (local area networks) on which Websites reside, even by the customary use of a Web browser.
Web Masters bear the brunt when managing the major risks. As soon as a Web server is set up at a site, a porthole materialises in the local area network through which anyone who is on the Internet can peer. Certainly, nearly all web site visitors look at no more than what they're supposed to see, but a minority attempt to uncover elements of the site that aren't intended to be evident to the public. Malicious visitors intend to go further than only look; they attempt to open the window and slip in. The damage they may inflict might be mere vandalism, such as changing the website's home page with one of their own that could say or put on view absolutely anything at all, or it could be burglary, like appropriating a customers or sales list.
It's difficult to escape the probability that intricate software has bugs. Regardless of how carefully it's tested, there is usually some permutation of events or user actions, while it may be rare, that leads to an error. Software bugs cause holes in system security. A Web server is complex software that may very possibly contain a security hole.
It is not just the intricacy of a Web server which may instigate a glitch, but also its open architecture. Think about a CGI script as a case in point. A CGI script may be processed at the server in reply to a remote call from a client. It might be a request from a program or even the click of a button in a browser. If the CGI script has a bug, there's a risk of a security breach.
Network Administrators also have to deal with problems from Web servers because of the risk they pose to the security of the local area network. Despite the fact that there ought to be no unauthorised intrusions, right of entry must be given to website visitors. This means that access to the network should be regulated. The Administrator therefore needs to perform a delicate balancing act. Even the most sturdy firewall can be compromised if the Web server is configured badly. Concomitant with this constraint, normal use of the website can be unattainable if the firewall is configured poorly. Arriving at an ideal resolution is still more complicated if an intranet forms part of the system. Commonly, the Web server in that case has to be configured to recognise and validate domains and user groups, which are likely to have varying permission levels and access rights.
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Almost everyone using a browser to surf the Internet suppose that they are doing it in secret and in safety. This is not so. Web browsers are able to execute self-contained software on the client machine that are hosted by a web site. Modern browsers show a caution and request authorisation to run these kinds of programs. Described commonly as "active content", e.g., ActiveX controls or Java applets, these programs, if malicious, may easily install a virus or other dangerous software on the browser user's computer. Once it's in the system it can inflict all kinds of catastrophe and may be very tough to eradicate.
This is also a concern for Network Administrators. Web browsers make available a means for potentially malicious software to seep through the local area network's firewall. As soon as it is in the system, the damage it can cause can extend from surreptitiously gaining possession of private information to meaningless demolition.
Apart from the concerns to do with active content, simply surfing the Internet records a trail of the user's activities in the browser's history. This may be utilized by websites and installed software programs to create a precise report of the user's behavior and preferences. Despite the fact that this may be frowned upon as an invasion of privacy by some, it can be positively effective by displaying appropriate subject matter instantly, thus unburdening the user of the job of searching for it.
Secrecy is an issue that worries not only browser users but also Web Masters and Network Administrators during the actual transmission of information via the Internet. TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic language of communication for the Internet. When it was created, security was not the principal aspect of its blueprint. Both network and Internet transmissions should therefore not be thought of as as essentially private. Whenever the browser on a local PC downloads a private document from the remote Web server, or the browser user fills out a form with private information and clicks the 'Submit' button, the transmitted data could be intercepted without authorisation.
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