Threat Level: green Handler on Duty: Yee Ching Tok

SANS ISC: Upswing UDP/7100 SANS ISC InfoSec Forums

Watch ISC TV. Great for NOCs, SOCs and Living Rooms:

Sign Up for Free!   Forgot Password?
Log In or Sign Up for Free!
Upswing UDP/7100

An observant reader noticed a fairly dramatic upswing in scanning for UPD/7100. This port is noted as being the X Font service.

More recent graph can be seen here.

Got packets? Got theory? Got sploit? Got malware?

Adrien de Beaupré


I will be teaching next: Advanced Web App Penetration Testing, Ethical Hacking, and Exploitation Techniques - SANS Network Security: Virtual Edition 2021

Adrien de Beaupre

353 Posts
ISC Handler
Mar 4th 2008

Sign Up for Free or Log In to start participating in the conversation!