nanog mailing list archives
Re: SYN floods (was: does history repeat itself?)
From: Vektor Sigma <ae687 () freenet carleton ca>
Date: Mon, 9 Sep 1996 21:29:34 -0400 (EDT)
On Mon, 9 Sep 1996, Perry E. Metzger wrote:
I think its time for the larger providers to start filtering packets coming from customers so that they only accept packets with the customer's network number on it. Yes, its a load on routers. Yes, its nasty for the mobile IP weenies. Unfortunately, the only known way to stop this.
On my private network I can send 600 or more SYN packets to my telnet port (w/faked, unreachable source addresses + random seq numbers), yet the port doesn't seem to be flooded. It's a linux box. The telnet daemon seems to be able to tell the difference between a faked packet and a real one. Even when spoofing from localhost, it reports a connection from unknown. Obviously, there seems to be a solution to this problem. ?? -- Billy Biggs Ottawa, Canada - - - - - - - - - - - - - - - - -
Current thread:
- Re: does history repeat itself?, (continued)
- Re: does history repeat itself? Avi Freedman (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Craig A. Huegen (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Robbie Honerkamp (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Perry E. Metzger (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Perry E. Metzger (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Avi Freedman (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Michael Dillon (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Perry E. Metzger (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Dima Volodin (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Avi Freedman (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Craig A. Huegen (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Vektor Sigma (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Avi Freedman (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Taner Halicioglu (Sep 09)
- Re: does history repeat itself? Avi Freedman (Sep 09)
- Re: SYN floods (was: does history repeat itself?) Curtis Villamizar (Sep 12)
- Re: SYN floods (was: does history repeat itself?) Perry E. Metzger (Sep 12)
- Re: SYN floods (was: does history repeat itself?) alex (Sep 13)
- Re: SYN floods (was: does history repeat itself?) Mr. Jeremy Hall (Sep 13)
- Re: SYN floods (was: does history repeat itself?) alex (Sep 14)
- Re: SYN floods (was: does history repeat itself?) Mr. Jeremy Hall (Sep 14)
- High-speed filtering boxes (Was: Re: SYN floods...) Paul Frommeyer (Sep 19)
- Re: High-speed filtering boxes (Was: Re: SYN floods...) Deepak Jain (Sep 19)