nanog mailing list archives
Re: DNS deluge for x.p.ctrc.cc
From: Jon Lewis <jlewis () lewis org>
Date: Sat, 25 Feb 2006 16:42:07 -0500 (EST)
On Fri, 24 Feb 2006, Chris Adams wrote:
One thing to note: we've discovered that on some common DSL routers, the internal DNS caching server is on by default and answers requests on the outside IP address. IIRC some even do it when configured for NAT. So, even when you disable outside recursion, things you may not think of on the inside of your network may still allow outside DNS recursion.
Efficient Networks DSL routers suffer from this problem if DNS servers are defined in the DHCP server config on the router. It's more of a DNS proxy though. It doesn't do any caching.
---------------------------------------------------------------------- Jon Lewis | I route Senior Network Engineer | therefore you are Atlantic Net | _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
Current thread:
- RE: DNS deluge for x.p.ctrc.cc, (continued)
- RE: DNS deluge for x.p.ctrc.cc Ejay Hire (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc brett watson (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Randy Bush (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Gadi Evron (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc brett watson (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc brett watson (Feb 24)
- RE: DNS deluge for x.p.ctrc.cc Ejay Hire (Feb 24)
- RE: DNS deluge for x.p.ctrc.cc Estes, Paul (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Gadi Evron (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Rob Thomas (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Stephen Stuart (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Chris Adams (Feb 24)
- Re: DNS deluge for x.p.ctrc.cc Jon Lewis (Feb 25)
- Re: DNS deluge for x.p.ctrc.cc bmanning (Feb 25)
- Re: DNS deluge for x.p.ctrc.cc Nicholas Suan (Feb 25)
- Re: DNS deluge for x.p.ctrc.cc Rob Thomas (Feb 25)
- Re: DNS deluge for x.p.ctrc.cc Randy Bush (Feb 25)
- Re: DNS deluge for x.p.ctrc.cc Paul Vixie (Feb 26)
- Re: DNS deluge for x.p.ctrc.cc Paul Vixie (Feb 26)
- Re: DNS deluge for x.p.ctrc.cc Jon Lewis (Feb 26)
- Re: DNS deluge for x.p.ctrc.cc Joe Provo (Feb 25)
- Re: DNS deluge for x.p.ctrc.cc Joe Abley (Feb 26)
- Re: DNS deluge for x.p.ctrc.cc Christopher L. Morrow (Feb 26)