SRS Release 8.0 to 8.6 ========================================== The following covers the important, registrar affecting changes that occured in releases 8.0 to 8.6 of the SRS. EPP Session Lifetime ------------------------------------------ The maximum lifetime of an EPP session is now limited to 1 day after which the server will automatically close the connection. DNS Delegation Loop Prevention ------------------------------------------ It is no longer possible to specify name-servers that cause an in-zone DNS delegation loop. A DNS delegation loop is when a domain names used by a name-server in DNS delegation path contains domain name being created or updated. Disallow Duplicate DNS Glue ------------------------------------------ It is no longer possible to specify name-servers that have duplicate IPv4 or IPv6 DNS glue records. Unused Handle Deletion ------------------------------------------ Contact handles that have not been linked to a domain for over 90 days are now automatically deleted. EPP Session Connection Limits ------------------------------------------ Registrars are now limited to 10 concurrent authenticated EPP connections. An 2502 error code will be returned if a registrar has exceeded the limit.