In an ongoing effort to improve availability for https://oss.sonatype.org, we are moving that host behind some new load balancing infrastructure. The new load balancers have wider support for SSL protocols and ciphers than the current host. So, as a side benefit, intermittent deployment errors caused by SSL handshake issues, should go away.
The IP address to which oss.sonatype.org resolves will change during the regular Sonatype scheduled maintenance window, Wednesday night, 11 June 2014, at or around 9PM EDT. The new IP address will be
For the majority of OSSRH users (who access it by hostname), this change should be invisible. Organizations who have outbound firewall rules set up to allow traffic to a specific IP address will need to update their rules to use the new IP address.