Packet sniffing is a technique for tapping each packet as it streams across the organization. It is a method in which a client sniffs information having a place with different clients of the organization. It is successful in both exchanged organizations and non-exchanged organizations. Packet sniffers can work as an authoritative apparatus or for vindictive purposes. It relies upon the client's goal. This paper examines how sniffing can be done if there should arise an occurrence of the center point and exchanged organization, different packet sniffing strategies, various techniques that AntiSniff uses to identify these sniffing programs are additionally talked about.