On Thu, Sep 06, 2007 at 05:48:39PM +0200, Stefan Farestam wrote: > I just installed ecryptfs on my Ubuntu powered laptop and have > observed a few oddities. However, to make it easier to follow up, I > will split the issues into several postings. I would also like to > add that despite the problems that I've observed I'm already getting > more mileage out of ecryptfs than encfs, which I used previously; > thunderbird runs much faster when dealing with 1GB+ mailfiles > residing in an encrypted directory!
Doing all the crypto natively in the kernel helps a lot with performance. > First out is the fact that the encrypted file system is always > mounted with the flags "noexec,nosuid,nodev". The "noexec" flag in > particular is problematic since I keep some executable files in the > encrypted directory. > > Is this a feature/restriction with encryptfs or could the behavior > be due to my system setup? eCryptfs aims to be fully POSIX-compliant, so you should be able to do anything with files under eCryptfs that you would under any other filesystem. The noexec flag being set probably has something to do with your specific distribution; I develop and test SLES, RHEL, Fedora, and Gentoo, and their utilities do not set this flag by default. Mike
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