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Handle Full/Unresponsive Output
Secure Programming for Linux and Unix HOWTO
PrevChapter 8. Send Information Back JudiciouslyNext

8.3. Handle Full/Unresponsive Output

It may be possible for a user to clog or make unresponsive a secure program's output channel back to that user. For example, a web browser could be intentionally halted or have its TCP/IP channel response slowed. The secure program should handle such cases, in particular it should release locks quickly (preferably before replying) so that this will not create an opportunity for a Denial-of-Service attack. Always place timeouts on outgoing network-oriented write requests.

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Don't Include CommentsUpControl Data Formatting (``Format Strings'')

 

 
 
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