XMPP Service STARTTLS Command Support

The remote XMPP eXtensible Messaging and Presence Protocol service supports the use of the 'STARTTLS' command to switch from a cleartext to an encrypted communications channel. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid42089; scriptversion"$Revision: 1.8 $";...

fetchmail -- TLS enforcement problem/MITM attack/password exposure

Matthias Andree reports: Fetchmail has had several longstanding password disclosure vulnerabilities. sslcertck/sslfingerprint options should have implied "sslproto tls1" in order to enforce TLS negotiation, but did not. Even with "sslproto tls1" in the config, fetches would go ahead in plain text...

qmail starttls patch does not seed the random number generator

openssl-0.9.6b does not allow ssl/tls connections when the random number has not been seeded. This is a good idea, and it exposes that the starttls patch for qmail does not seed the random number generator. Here is a small patch that fixes the problem in qmail-remote for systems that support...