0
votes
2answers
298 views

What could be the reason for the high traffic on the local network? [closed]

In our small company we have very high traffic outbound from local network to server which is getting blocked, and slow downs our server respond time. Especially at night. I am not security ...
0
votes
3answers
454 views

Is it possible to “close” a port by dos'ing it?

If I see port 25 is open, but I dont have access to the program running the smtp server, could It be flooded with enough information to make it unusable (but not affect any other services)?
0
votes
1answer
981 views

Monitor incoming TCP/UDP flood attack and graph it

I'm preparing a presentation on a security issue and want to include a demonstration. It won't be in real time, I just need to show some pictures of the results. I have some VPSes that will perform a ...
4
votes
5answers
1k views

SYN Flooding issue

I recently purchased a server with "DDoS protection" and a 1gbps uplink. What I can't figure out, is that I'm suffering from SYN floods. Isn't the large amount of bandwidth available to me supposed ...