Linux - NetworkingThis forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.
Welcome to LinuxQuestions.org, a friendly and active Linux Community.
You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!
Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.
Having a problem logging in? Please visit this page to clear all LQ-related cookies.
SDN 101: An Introduction to Software Defined Networking
Discover the advantages of SDN.
SDN has quickly become one of the hottest trends in IT. But not all SDN solutions offer real software-defined functionality. As more enterprises consider SDN, they want to know, “What is SDN? And what are the real benefits?” If you're ready to explore the advantages of SDN, and want to know how it should be implemented within your enterprise, start by reading our introductory white paper.
Click Here to receive this Complete Guide absolutely free.
Nope, that will only drop a connection from a specified ip.
thats mean only user who has ip address 192.168.0.xxx will be rejected by mail server.
Change xxx into your user ip.
I see. I think there is a fundamental difference in how we are interpreting the OP question. If you have a POP server (from which you want to deny traffic to someone), we would use your method. The thing is, if you are running a POP server, it would be much easier to disable that user's account from the server.
The other situation is a machine with many users, one of whom needs denial to port 110. In that case my way works.
Oh now I see what joseph means. He is putting the filter on a firewall/gateway of an internal LAN to block access from a specific LAN member. Sorry about that. I think the OP should have been more specific.