Protocol
The Spamhaus Exploits Block List (XBL) is a realtime database of IP addresses of hijacked PCs infected by illegal 3rd party exploits, including open proxies (HTTP, socks, AnalogX, wingate, etc), worms/viruses with built-in spam engines, and other types of trojan-horse exploits.
Most link extractors I know, including the function in WordPress to linkify comments, incorrectly assumes that any text containing https:// is a hyperlink including obvious mistakes like the following:
I propose a new protocol starting with phttps://...
First of I didn't ask postfix to do NIS lookups.
Our local setup consists of a single ntp server which synchronizes time from asia pool of ntp.org ([0-2].asia.pool.ntp.org) and several ntp servers in the intranet which synchronizes from the above server.