rpki-client 7.2

• Use RRDP as default protocol for syncronizing the RPKI repository data, with rsync used as secondary
• At startup, warn if the filesystem containing the cache directory is probably too small, 500 MB is the suggested minimum size
• Handle running out of disk space more gracefully, including cleanup of temporary and old files before exiting
• Improve the HTTP/1.1 request headers being sent
• Improved validation checks for ROA and MFT objects