Users interested in Ultrasurf anti filter download generally download:
UltraSurf is a free software which enables users inside countries with heavy Internet censorship to visit any public web sites in the world safely and freely. Users in countries without internet censorship also use it to protect their internet privacy and security.
Anti-UltraSurf is a program that uses heuristic analysis to identify and block UltraSurf’s traffic rather than relying on hash signatures. The program can block traffic generated by all original and modified versions of UltraSurf with zero false positives.
