TCP Port 4081 – lorica-in-sec

About TCP Port 4081

The Internet Assigned Numbers Authority (IANA) registers port 4081 for lorica-in-sec. The IANA description reads: ‘Lorica inside facing (SSL)’. This port appears in 2 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

2 IDS / security rules reference TCP port 4081. Treat that number as context, not a danger score. Many detection rules are written against groups of ports rather than one service, web ports especially, so common web alternate ports inherit large counts while genuinely sensitive services can show few rules or none. Presence in IDS rules does not mean traffic on this port is malicious.

Rule categories (top 1): web-application-activity (2).

Sample rule descriptions for TCP port 4081:

• ET WEB_SPECIFIC_APPS Kerio Control CRLF Injection via dest Parameter (CVE-2024-52875)
• ET WEB_SPECIFIC_APPS Kerio Control HTTP Response Splitting (CVE-2024-52875)

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range).