0
votes
1answer
247 views

How to detect my server is used as a port scanner? [duplicate]

My Web Server is running Ubuntu 12.04.2 LTS with all security updates installed. It is used as a Web Proxy server that handles incoming requests on HTTP/80 HTTPS/443 but also retrieves web content ...
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6answers
566 views

Why is my port 25 so active?

Using netstat -na I notice that I have a lot of connections like tcp 0 0 XXX.XXX.XXX.XXX:25 YYY.YYY.YYY.YYY:13933 ESTABLISHED tcp 0 0 XXX.XXX.XXX.XXX:25 ...