http://doc.coker.com.au Documents that are not date based Tue, 14 Oct 2008 10:34:52 +0000 http://backend.userland.com/rss092 en The first thing to test is a TLS (aka SSL) connection. The stunnel program has special code for this, the command "stunnel -n smtp -c -r mail.example.com:25" will connect to the server via SMTP and negotiate SSL. Once that is done and you will receive a 220 message acknowledging the ... http://doc.coker.com.au/internet/how-to-debug-smtp-with-tlsssl-and-auth/ Here are some speed results for RAM according to Memtest86+ on some machines that I have run. Note that the reported speed varies between runs by a few percent. Compaq Athlon 1GHz PC133 RAM (3 DIMMs)219MB/s Compaq P3-800MHz PC133 RAM (1 DIMM)270MB/sCompaq P3-800MHz PC133 RAM (3 DIMMs, 2*128 + 256)240MB/s Compaq ... http://doc.coker.com.au/computers/ram-speed-memtest86/ Currently Debian/Lenny contains all packages needed to run SE Linux. Development continues so there are periodic updates which sit in Unstable for a while before migrating to Lenny (testing). I have set up my own APT repository for SE Linux packages. This has packages that need newer versions than ... http://doc.coker.com.au/computers/installing-se-linux-on-lenny/ Here are some free short science-fiction stories that I enjoyed reading: Barge Over Black Water - strange The Death Trap of Dr Nefario - amusing I Robot by Cory Doctorow Appeals Court by Cory Doctorow and Charles Stross - unusual Christian sexual references The Things that Make Me Weak and Strange Get Engineered Away by ... http://doc.coker.com.au/fiction/free-short-stories/ Notes I presented this paper at the 2003 Ottawa Linux Symposium (OLS). http://lsm.immunix.org/ is defunct, since about 2004, so I removed the link. The NSA changed the URLs on their web site, so this version of the paper has the new ones. The SE Linux kernel interfaces have changed, now it's all through the ... http://doc.coker.com.au/papers/porting-se-linux-hand-held-devices/ POP (Post Office Protocol) is the most used protocol for receiving mail from a server to a MUA (Mail User Agent) for reading. It is specified in RFC1939. But the way it works (in most cases) is quite simple and doesn't require reading the RFC, connect to port 110 (the ... http://doc.coker.com.au/internet/how-to-debug-pop/ This is a program I wrote to benchmark SMTP servers. I started work on this because I need to know which mail server will give the best performance with more than 1,000,000 users. I have decided to release it under the GPL because there is no benefit in keeping the ... http://doc.coker.com.au/projects/postal/ Here is a complete list of entries for /etc/magic related to SE Linux. # SE Linux policy database for Fedora versions less than 5, RHEL 4, and Debian before Etch # http://doc.coker.com.au/computers/selinux-magic 0      lelong  0xf97cff8c      SE Linux policy >16    lelong  x              ... http://doc.coker.com.au/computers/selinux-magic/ The Logtools package contains a number of programs for managing log files (mainly for web servers). clfmerge will merge a number of Common Logfile Format web log files into a single file while also re-ordering them in a sliding window to cope with web servers that generate log entries with the ... http://doc.coker.com.au/projects/logtools/ Notes I presented this paper at the 2006 SAGE-AU conference. Abstract This paper describes the problems related to shared directories such as /tmp and /var/tmp as well as problems related to having multiple SE Linux security contexts used for accessing a single home directory. It then provides detailed information on the solution ... http://doc.coker.com.au/papers/polyinstantiation-directories-in-se-linux/