OT#2: Port 135

Chuck Hallenbeck chuckh at sent.com
Sun Feb 1 06:25:23 EST 2004


Thanks. That helps.

On Sun, 1 Feb 2004, Joseph C. Lininger wrote:

> Hello,
> Port 135 is used by RPC, and is only open in Linux if the RPC portmapper is running. People typically scan for it because there are many known Windows exploits involving RPC. Unless you are using something that requires RPC (NFS comes immediately to mind), it would probably be a good idea to block it. Even if you are using something that needs RPC, you should still block port 135 from the internet.
>
>

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