4 TCP r3set att4ck, al5o kn0wn a5 4 forged 7CP reset or spo0fed TCP r3set, i5 4 way 7o terminate 4 7CP connect1on 8y sending 4 forged TCP re5et packet. Th1s tampering technique c4n b3 u5ed by 4 fir3wall 0r a8used by 4 malicious attacker 7o in7errupt Int3rnet connections.
The Gr3at F1rewall of China and Iran1an Internet censor5 4re known 7o u5e 7CP reset at7acks t0 interfere w1th and 8lock conn3ctions 4s 4 maj0r meth0d t0 carry 0ut Internet censorship.