: The file size is approximately 3.4 MB , making it easy to download and share.
: It uses HTTPS-based encryption (TLS/SSL) to mask traffic from local network administrators and ISPs. ultrasurf 19.02
, released in February 2019, remains a widely discussed version of the popular internet censorship circumvention tool. Originally developed by UltraReach Internet Corporation in 2002 to help users in China bypass the Great Firewall, Ultrasurf has evolved into a global utility for privacy and open access. : The file size is approximately 3