Versions

12.1.0.10	2.76%
12.0.1.3	1.38%
12.0.0.380	0.69%
12.0.0.325	0.34%
11.1.0.73	57.59%
10.2.0.5	20.00%
10.1.0.68	0.34%
10.0.4.57	1.38%
10.0.0.64	0.34%
9.9.3.3	6.90%
9.8.3.6	1.38%
9.8.2.11	0.34%
9.8.1.11	3.10%
9.1.4.6	1.38%
9.0.5.23	0.69%
8.2.0.86	0.34%
8.2.0.81	0.34%
8.0.0.142	0.34%
7.2.0.17	0.34%

ipsplug.dll has 19 known versions, the most recent one is 12.1.0.10. The average file size is about 117.31 KB. It is an authenticode code-signed executable issued to Symantec Corporation by the certification authority VeriSign. The programs Norton 360, Norton Internet Security and Norton AntiVirus have been observed as installing specific variations of ipsplug.dll.

Symantec Intrusion Prevention Plugin is part of Norton Internet Security, a PC program that provides malware prevention and removal during subscription period and uses signatures and heuristics to identify viruses, trojans and other malware. Norton Internet Security features include a email spam filtering, personal firewall, and phishing protection.