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In my previous post about DKIM [1] I forgot to mention one critical item, how to get Postfix to actually talk to the DKIM milter. This wasn’t a bad thing because it turned out that I hadn’t got it right. I had configured the DKIM milter on the same line as the milters for ClamAV […] My Play Machine [1] was offline for most of the past 48 hours (it’s up again now). I have upgraded the hardware for the Dom0 used to run it so that it now has the ability to run more DomU’s. I can now run at least 5 DomUs while previously I could only run 3. […] I have just installed Domain Key Identified Mail (DKIM) [1] on my mail server. In summary the purpose is to allow public-key signing of all mail that goes out from your domain so that the recipient can verify it’s authenticity (and optionally reject forgeries). It also means that you can verify inbound mail. A weakness […] I’ve just updated my repository of SE Linux related packages for Lenny [1] to include a set of ffmpeg packages modified to not need text relocations (execmod access under SE Linux). I haven’t checked to make sure that I fixed all issues in those packages, but I have fixed all the issues that prevented Mplayer […] I have previously written about the execmod permission check in SE Linux [1] and in a post about SE Linux on the desktop I linked to some bug reports about it [2] (which probably won’t be fixed in Debian). One thing I didn’t mention is the proof of the implication of this. When running a […] I previously described the goals for SE Linux development in Lenny and assigned numbers to the levels of support [1]. I have just uploaded a new policy to unstable which I hope to get in Lenny that will solve all the major issues for level 1 of support (default configuration with the unconfined_t domain for […] My previous post titled AppArmor is Dead [1] has inspired a number of reactions. Some of them have been unsubstantiated opinions, well everyone has an opinion so this doesn’t mean much. I believe that opinions of experts matter more, Crispin responded to my post and made some reasonable points [2] (although I believe that he […] In a comment on my AppArmor is dead post [1] someone complained that SE Linux is not “Unixish“. The security model in Unix is almost exclusively Discretionary Access Control (DAC) [2]. This means that any process that owns a resource can grant access to the resource to other processes without restriction. For example a user […] From the 13th to the 14th of August my Play Machine [1] was offline. There was a power failure for a few seconds and the machine didn’t boot correctly. As I had a lot of work to do I left it offline for a day before fixing it. The reason it didn’t boot was that […] |
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