Every so often some ex-DNSBL makes the geek news because itsex-operators have gotten tired of people still trying to use it yearsafter it was taken out of service, and to fix this they make theirex-DNSBL return positive answers for every query, thereby blacklistingthe world and insuring that email systems that still use the ex-DNSBLwill bounce everything until they are fixed. Which should happen fast,because people generally notice when they are not getting email.

(Not always, though.)

When

Here is a suddenly burning question: what protectsthe strength of a ssh connection's encryption?

The answer is that the connection encryption is protected only by thestrength of the random numbers chosen for the initial Diffie-Hellmankey exchange that arrangesthe session key. This protection depends on both the server and theclient using strong random numbers; if an attacker can guess the randomnumber for either side, they can immediately recover the session keysimply by acting out that side of the exchange.

The server's host