Monthly Archive: April, 2010

yum install and weird architecture behaviour

I was just trying to accomplish what you would think was a relatively easy task – installing the PHP-GD package from the Atomic Rocket Turtle repository for 64bit CentOS 5 and ran into a slightly cryptic problem. Running yum install php-gd simply produced a dependancy error php-gd-5.2.13-1.el5.art.i386 from atomic has depsolving problems –> Missing Dependency: libt1.so.5 is needed by package...

Detecting brute force attacks on Zimbra with zmauditswatch

Zimbra 5.0.11 introduced the zmauditswatch script which notifies a specific e-mail address of a potential brute force attack if certain conditions are met. This is disabled by default and the documentation to enable it isn’t particularly clear, so here is a quick run through: zmlocalconfig -e zimbra_swatch_notice_user=admin@domain.com zmlocalconfig -e zimbra_swatch_ipacct_threshold=10 zmlocalconfig -e zimbra_swatch_acct_threshold=15 zmlocalconfig -e zimbra_swatch_ip_threshold=20 zmlocalconfig -e zimbra_swatch_total_threshold=60 zmlocalconfig...