If you allow your fw to answer icmp packets, then it will respond to pings. Not allowing them is a way of making your host appear to not exist thus being a little more secure. Of course, if someone port scans you, they'll get a response to whatever is port is open.
<<JAV>> On Thu, 2003-03-27 at 11:03, Steve Buehler wrote: > I am not exactly sure what icmp is. When I looked at redhats description > of it, it didn't sound like it would be something that needs to be opened > up on a firewall, but someone told me that it should and never said > why. Can anybody tell me if I should open up icmp on my firewall in front > of my linux server and if so, why? > > Thanks > Steve > > > > -- > This message has been scanned for viruses and > dangerous content by the MailScanner at ow5, and is > believed to be clean. > > > > -- > redhat-list mailing list > unsubscribe mailto:[EMAIL PROTECTED] > https://listman.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
