max_upload_size: 30M media_store_path: /var/lib/matrix-synapse/media media_retention: local_media_lifetime: 1y remote_media_lifetime: 26w url_preview_enabled: true url_preview_ip_range_blacklist: - '127.0.0.0/8' - '10.0.0.0/8' - '172.16.0.0/12' - '192.168.0.0/16' - '100.64.0.0/10' - '192.0.0.0/24' - '169.254.0.0/16' - '192.88.99.0/24' - '198.18.0.0/15' - '192.0.2.0/24' - '198.51.100.0/24' - '203.0.113.0/24' - '224.0.0.0/4' - '::1/128' - 'fe80::/10' - 'fc00::/7' - '2001:db8::/32' - 'ff00::/8' - 'fec0::/10'