Network Blackholes. [7:63620]

Hi All, Have a question for all the networking guru's. Can somebody explain me the concept of network blackholes. Any idea how to block these on the router using access-lists ? Regards Manoj Ghorpade. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=63620&t=63620 --

Re: Network Blackholes. [7:63620]

AFAIK blackholes in networking have to do with reachability or more accurately lack thereof not something you block via access-lists. I suppose you could create blackholes with access-lists though;) Dave Manoj Ghorpade wrote: > Hi All, > Have a question for all the networking guru's. > Can

Re: Network Blackholes. [7:63620]

My understanding is that there are some IP addresses that will never be reachable so you route those to null to prevent them being used in DoS attacks etc. These are called "blackhole routes" I dont know if thats what you were thinking of? Message Posted at: http://www.groupstudy.com/form/read.

RE: Network Blackholes. [7:63620]

Original Message- From: MADMAN [mailto:[EMAIL PROTECTED] Sent: Monday, February 24, 2003 10:19 AM To: [EMAIL PROTECTED] Subject: Re: Network Blackholes. [7:63620] AFAIK blackholes in networking have to do with reachability or more accurately lack thereof not something you block via access-li

Re: Network Blackholes. [7:63620]

I believe you can also route to a 20.x.x.x ... not sure though - Original Message - From: "Lauren Child" To: Sent: Monday, February 24, 2003 12:40 PM Subject: Re: Network Blackholes. [7:63620] > My understanding is that there are some IP addresses that will never be >

RE: Network Blackholes. [7:63620]

c to nul0 > (use no icmp unreachables too ... ) > > > Google can be your friend! > Thanks! > TJ > -Original Message- > From: MADMAN [mailto:[EMAIL PROTECTED] > Sent: Monday, February 24, 2003 10:19 AM > To: [EMAIL PROTECTED] > Subject: Re: Network Blackholes.