SBC Spam Prevention Falls Short

SBC sends all their residential customers port 25 traffic to their mail server, regardless of the destination IP number, regardless if dial up, DSL, etc.  Expect this trend to continue to other vendors with residential accounts to help combat spam.  IMHO killing spam by effectively blocking out port 25 for end-users is not a huge deterrent of spam.

Quick Install of Squid and Dans Guardian

To get Squid and Dans Guardian: apt-get install squid dansguardian To backup the squid config file: cp /etc/squid/squid.conf /etc/squid/squid.conf.bak To make it transparent, uncomment this line from the squid.conf file: http_port 127.0.0.1:3128 transparent Add this on the next line: http_port 8080 Next, backup the dansguardian config file using the following command: cp /etc/dansguardian/dansguardian.conf /etc/dansguardian/dansguardian.conf.bak Then change 8080 to 8081 Then change filtergroups to = 2 rather than the default of 1 You can then install the webmin module from: http://internap.dl.sourceforge.net/sourceforge/dgwebminmodule/dg-0.5.10-pr5.wbm

vnode

The vnode table represents all file activity in UNIX. There is a unique vnode allocated in the vnode table for each active file, each current directory, each mounted-on file, text file, and the root.  To see the number of vnodes available in Mac OS X, look to sysctl for the kern.maxvnodes variable using something similar to the following command: sysctl -A | grep vnode