文件操作 - PROBLEMS
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文件: /usr/share/doc/sane-backends-1.0.24/PROBLEMS
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Last update: 2006-01-05 - Avoiding damage on flatbed scanners Most flatbed scanners have no protection against exceeding the physical scan area height. That is, if a scan is attempted with a height that exceeds the height of the scan surface, the scanner begins making loud noises and the scan mechanism may be damaged. Thus, if you hear such a noise, IMMEDIATELY turn off the scanner. Normally, the backend will ensure that the maximum scan height is not exceeded. However, if your scanner model has not been tested yet this safety-guard may not work. Please report errors like this to the author of the backend or the sane-devel mailing list. - Security problems with saned (SANE network scanning daemon) saned is not intended to be exposed to the internet or other non-trusted networks. Make sure that access is limited by tcpwrappers and/or a firewall setup. Don't depend only on saned's own authentification. Don't run saned as root if it's not necessary. And do not install saned as setuid root. Read man saned(8) for details.
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